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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/common/pref_names.h"
      6 
      7 #include "base/basictypes.h"
      8 #include "chrome/common/pref_font_webkit_names.h"
      9 
     10 namespace prefs {
     11 
     12 // *************** PROFILE PREFS ***************
     13 // These are attached to the user profile
     14 
     15 // A string property indicating whether default apps should be installed
     16 // in this profile.  Use the value "install" to enable defaults apps, or
     17 // "noinstall" to disable them.  This property is usually set in the
     18 // master_preferences and copied into the profile preferences on first run.
     19 // Defaults apps are installed only when creating a new profile.
     20 const char kDefaultApps[] = "default_apps";
     21 
     22 // Whether we have installed default apps yet in this profile.
     23 const char kDefaultAppsInstalled[] = "default_apps_installed";
     24 
     25 // Disables screenshot accelerators and extension APIs.
     26 // This setting resides both in profile prefs and local state. Accelerator
     27 // handling code reads local state, while extension APIs use profile pref.
     28 const char kDisableScreenshots[] = "disable_screenshots";
     29 
     30 // A boolean specifying whether the New Tab page is the home page or not.
     31 const char kHomePageIsNewTabPage[] = "homepage_is_newtabpage";
     32 
     33 // This is the URL of the page to load when opening new tabs.
     34 const char kHomePage[] = "homepage";
     35 
     36 // Maps host names to whether the host is manually allowed or blocked.
     37 const char kManagedModeManualHosts[] = "profile.managed.manual_hosts";
     38 // Maps URLs to whether the URL is manually allowed or blocked.
     39 const char kManagedModeManualURLs[] = "profile.managed.manual_urls";
     40 
     41 // Stores the email address associated with the google account of the custodian
     42 // of the managed user, set when the managed user is created.
     43 const char kManagedUserCustodianEmail[] = "profile.managed.custodian_email";
     44 
     45 // Stores the display name associated with the google account of the custodian
     46 // of the managed user, updated (if possible) each time the managed user
     47 // starts a session.
     48 const char kManagedUserCustodianName[] = "profile.managed.custodian_name";
     49 
     50 // An integer that keeps track of the profile icon version. This allows us to
     51 // determine the state of the profile icon for icon format changes.
     52 const char kProfileIconVersion[] = "profile.icon_version";
     53 
     54 // Used to determine if the last session exited cleanly. Set to false when
     55 // first opened, and to true when closing. On startup if the value is false,
     56 // it means the profile didn't exit cleanly.
     57 // DEPRECATED: this is replaced by kSessionExitType and exists for backwards
     58 // compatability.
     59 const char kSessionExitedCleanly[] = "profile.exited_cleanly";
     60 
     61 // A string pref whose values is one of the values defined by
     62 // |ProfileImpl::kPrefExitTypeXXX|. Set to |kPrefExitTypeCrashed| on startup and
     63 // one of |kPrefExitTypeNormal| or |kPrefExitTypeSessionEnded| during
     64 // shutdown. Used to determine the exit type the last time the profile was open.
     65 const char kSessionExitType[] = "profile.exit_type";
     66 
     67 // An integer pref. Holds one of several values:
     68 // 0: (deprecated) open the homepage on startup.
     69 // 1: restore the last session.
     70 // 2: this was used to indicate a specific session should be restored. It is
     71 //    no longer used, but saved to avoid conflict with old preferences.
     72 // 3: unused, previously indicated the user wants to restore a saved session.
     73 // 4: restore the URLs defined in kURLsToRestoreOnStartup.
     74 // 5: open the New Tab Page on startup.
     75 const char kRestoreOnStartup[] = "session.restore_on_startup";
     76 
     77 // A preference to keep track of whether we have already checked whether we
     78 // need to migrate the user from kRestoreOnStartup=0 to kRestoreOnStartup=4.
     79 // We only need to do this check once, on upgrade from m18 or lower to m19 or
     80 // higher.
     81 const char kRestoreOnStartupMigrated[] = "session.restore_on_startup_migrated";
     82 
     83 // The URLs to restore on startup or when the home button is pressed. The URLs
     84 // are only restored on startup if kRestoreOnStartup is 4.
     85 const char kURLsToRestoreOnStartup[] = "session.startup_urls";
     86 
     87 // Old startup url pref name for kURLsToRestoreOnStartup.
     88 const char kURLsToRestoreOnStartupOld[] = "session.urls_to_restore_on_startup";
     89 
     90 // Serialized migration time of kURLsToRestoreOnStartup (see
     91 // base::Time::ToInternalValue for details on serialization format).
     92 const char kRestoreStartupURLsMigrationTime[] =
     93     "session.startup_urls_migration_time";
     94 
     95 // If set to true profiles are created in ephemeral mode and do not store their
     96 // data in the profile folder on disk but only in memory.
     97 const char kForceEphemeralProfiles[] = "profile.ephemeral_mode";
     98 
     99 // The application locale.
    100 // For OS_CHROMEOS we maintain kApplicationLocale property in both local state
    101 // and user's profile.  Global property determines locale of login screen,
    102 // while user's profile determines his personal locale preference.
    103 const char kApplicationLocale[] = "intl.app_locale";
    104 #if defined(OS_CHROMEOS)
    105 // Locale preference of device' owner.  ChromeOS device appears in this locale
    106 // after startup/wakeup/signout.
    107 const char kOwnerLocale[] = "intl.owner_locale";
    108 // Locale accepted by user.  Non-syncable.
    109 // Used to determine whether we need to show Locale Change notification.
    110 const char kApplicationLocaleAccepted[] = "intl.app_locale_accepted";
    111 // Non-syncable item.
    112 // It is used in two distinct ways.
    113 // (1) Used for two-step initialization of locale in ChromeOS
    114 //     because synchronization of kApplicationLocale is not instant.
    115 // (2) Used to detect locale change.  Locale change is detected by
    116 //     LocaleChangeGuard in case values of kApplicationLocaleBackup and
    117 //     kApplicationLocale are both non-empty and differ.
    118 // Following is a table showing how state of those prefs may change upon
    119 // common real-life use cases:
    120 //                                  AppLocale Backup Accepted
    121 // Initial login                       -        A       -
    122 // Sync                                B        A       -
    123 // Accept (B)                          B        B       B
    124 // -----------------------------------------------------------
    125 // Initial login                       -        A       -
    126 // No sync and second login            A        A       -
    127 // Change options                      B        B       -
    128 // -----------------------------------------------------------
    129 // Initial login                       -        A       -
    130 // Sync                                A        A       -
    131 // Locale changed on login screen      A        C       -
    132 // Accept (A)                          A        A       A
    133 // -----------------------------------------------------------
    134 // Initial login                       -        A       -
    135 // Sync                                B        A       -
    136 // Revert                              A        A       -
    137 const char kApplicationLocaleBackup[] = "intl.app_locale_backup";
    138 #endif
    139 
    140 // The default character encoding to assume for a web page in the
    141 // absence of MIME charset specification
    142 const char kDefaultCharset[] = "intl.charset_default";
    143 
    144 // The value to use for Accept-Languages HTTP header when making an HTTP
    145 // request.
    146 const char kAcceptLanguages[] = "intl.accept_languages";
    147 
    148 // The value to use for showing locale-dependent encoding list for different
    149 // locale, it's initialized from the corresponding string resource that is
    150 // stored in non-translatable part of the resource bundle.
    151 const char kStaticEncodings[] = "intl.static_encodings";
    152 
    153 // If these change, the corresponding enums in the extension API
    154 // experimental.fontSettings.json must also change.
    155 const char* const kWebKitScriptsForFontFamilyMaps[] = {
    156 #define EXPAND_SCRIPT_FONT(x, script_name) script_name ,
    157 #include "chrome/common/pref_font_script_names-inl.h"
    158 ALL_FONT_SCRIPTS("unused param")
    159 #undef EXPAND_SCRIPT_FONT
    160 };
    161 
    162 const size_t kWebKitScriptsForFontFamilyMapsLength =
    163     arraysize(kWebKitScriptsForFontFamilyMaps);
    164 
    165 // Strings for WebKit font family preferences. If these change, the pref prefix
    166 // in pref_names_util.cc and the pref format in font_settings_api.cc must also
    167 // change.
    168 const char kWebKitStandardFontFamilyMap[] =
    169     WEBKIT_WEBPREFS_FONTS_STANDARD;
    170 const char kWebKitFixedFontFamilyMap[] =
    171     WEBKIT_WEBPREFS_FONTS_FIXED;
    172 const char kWebKitSerifFontFamilyMap[] =
    173     WEBKIT_WEBPREFS_FONTS_SERIF;
    174 const char kWebKitSansSerifFontFamilyMap[] =
    175     WEBKIT_WEBPREFS_FONTS_SANSERIF;
    176 const char kWebKitCursiveFontFamilyMap[] =
    177     WEBKIT_WEBPREFS_FONTS_CURSIVE;
    178 const char kWebKitFantasyFontFamilyMap[] =
    179     WEBKIT_WEBPREFS_FONTS_FANTASY;
    180 const char kWebKitPictographFontFamilyMap[] =
    181     WEBKIT_WEBPREFS_FONTS_PICTOGRAPH;
    182 const char kWebKitStandardFontFamilyArabic[] =
    183     "webkit.webprefs.fonts.standard.Arab";
    184 const char kWebKitFixedFontFamilyArabic[] =
    185     "webkit.webprefs.fonts.fixed.Arab";
    186 const char kWebKitSerifFontFamilyArabic[] =
    187     "webkit.webprefs.fonts.serif.Arab";
    188 const char kWebKitSansSerifFontFamilyArabic[] =
    189     "webkit.webprefs.fonts.sansserif.Arab";
    190 const char kWebKitStandardFontFamilyCyrillic[] =
    191     "webkit.webprefs.fonts.standard.Cyrl";
    192 const char kWebKitFixedFontFamilyCyrillic[] =
    193     "webkit.webprefs.fonts.fixed.Cyrl";
    194 const char kWebKitSerifFontFamilyCyrillic[] =
    195     "webkit.webprefs.fonts.serif.Cyrl";
    196 const char kWebKitSansSerifFontFamilyCyrillic[] =
    197     "webkit.webprefs.fonts.sansserif.Cyrl";
    198 const char kWebKitStandardFontFamilyGreek[] =
    199     "webkit.webprefs.fonts.standard.Grek";
    200 const char kWebKitFixedFontFamilyGreek[] =
    201     "webkit.webprefs.fonts.fixed.Grek";
    202 const char kWebKitSerifFontFamilyGreek[] =
    203     "webkit.webprefs.fonts.serif.Grek";
    204 const char kWebKitSansSerifFontFamilyGreek[] =
    205     "webkit.webprefs.fonts.sansserif.Grek";
    206 const char kWebKitStandardFontFamilyJapanese[] =
    207     "webkit.webprefs.fonts.standard.Jpan";
    208 const char kWebKitFixedFontFamilyJapanese[] =
    209     "webkit.webprefs.fonts.fixed.Jpan";
    210 const char kWebKitSerifFontFamilyJapanese[] =
    211     "webkit.webprefs.fonts.serif.Jpan";
    212 const char kWebKitSansSerifFontFamilyJapanese[] =
    213     "webkit.webprefs.fonts.sansserif.Jpan";
    214 const char kWebKitStandardFontFamilyKorean[] =
    215     "webkit.webprefs.fonts.standard.Hang";
    216 const char kWebKitFixedFontFamilyKorean[] =
    217     "webkit.webprefs.fonts.fixed.Hang";
    218 const char kWebKitSerifFontFamilyKorean[] =
    219     "webkit.webprefs.fonts.serif.Hang";
    220 const char kWebKitSansSerifFontFamilyKorean[] =
    221     "webkit.webprefs.fonts.sansserif.Hang";
    222 const char kWebKitCursiveFontFamilyKorean[] =
    223     "webkit.webprefs.fonts.cursive.Hang";
    224 const char kWebKitStandardFontFamilySimplifiedHan[] =
    225     "webkit.webprefs.fonts.standard.Hans";
    226 const char kWebKitFixedFontFamilySimplifiedHan[] =
    227     "webkit.webprefs.fonts.fixed.Hans";
    228 const char kWebKitSerifFontFamilySimplifiedHan[] =
    229     "webkit.webprefs.fonts.serif.Hans";
    230 const char kWebKitSansSerifFontFamilySimplifiedHan[] =
    231     "webkit.webprefs.fonts.sansserif.Hans";
    232 const char kWebKitStandardFontFamilyTraditionalHan[] =
    233     "webkit.webprefs.fonts.standard.Hant";
    234 const char kWebKitFixedFontFamilyTraditionalHan[] =
    235     "webkit.webprefs.fonts.fixed.Hant";
    236 const char kWebKitSerifFontFamilyTraditionalHan[] =
    237     "webkit.webprefs.fonts.serif.Hant";
    238 const char kWebKitSansSerifFontFamilyTraditionalHan[] =
    239     "webkit.webprefs.fonts.sansserif.Hant";
    240 
    241 // WebKit preferences.
    242 const char kWebKitWebSecurityEnabled[] = "webkit.webprefs.web_security_enabled";
    243 const char kWebKitDomPasteEnabled[] = "webkit.webprefs.dom_paste_enabled";
    244 const char kWebKitShrinksStandaloneImagesToFit[] =
    245     "webkit.webprefs.shrinks_standalone_images_to_fit";
    246 const char kWebKitInspectorSettings[] = "webkit.webprefs.inspector_settings";
    247 const char kWebKitUsesUniversalDetector[] =
    248     "webkit.webprefs.uses_universal_detector";
    249 const char kWebKitTextAreasAreResizable[] =
    250     "webkit.webprefs.text_areas_are_resizable";
    251 const char kWebKitJavaEnabled[] = "webkit.webprefs.java_enabled";
    252 const char kWebkitTabsToLinks[] = "webkit.webprefs.tabs_to_links";
    253 const char kWebKitAllowDisplayingInsecureContent[] =
    254     "webkit.webprefs.allow_displaying_insecure_content";
    255 const char kWebKitAllowRunningInsecureContent[] =
    256     "webkit.webprefs.allow_running_insecure_content";
    257 #if defined(OS_ANDROID)
    258 const char kWebKitFontScaleFactor[] = "webkit.webprefs.font_scale_factor";
    259 const char kWebKitForceEnableZoom[] = "webkit.webprefs.force_enable_zoom";
    260 const char kWebKitPasswordEchoEnabled[] =
    261     "webkit.webprefs.password_echo_enabled";
    262 #endif
    263 
    264 const char kWebKitCommonScript[] = "Zyyy";
    265 const char kWebKitStandardFontFamily[] = "webkit.webprefs.fonts.standard.Zyyy";
    266 const char kWebKitFixedFontFamily[] = "webkit.webprefs.fonts.fixed.Zyyy";
    267 const char kWebKitSerifFontFamily[] = "webkit.webprefs.fonts.serif.Zyyy";
    268 const char kWebKitSansSerifFontFamily[] =
    269     "webkit.webprefs.fonts.sansserif.Zyyy";
    270 const char kWebKitCursiveFontFamily[] = "webkit.webprefs.fonts.cursive.Zyyy";
    271 const char kWebKitFantasyFontFamily[] = "webkit.webprefs.fonts.fantasy.Zyyy";
    272 const char kWebKitPictographFontFamily[] =
    273     "webkit.webprefs.fonts.pictograph.Zyyy";
    274 const char kWebKitDefaultFontSize[] = "webkit.webprefs.default_font_size";
    275 const char kWebKitDefaultFixedFontSize[] =
    276     "webkit.webprefs.default_fixed_font_size";
    277 const char kWebKitMinimumFontSize[] = "webkit.webprefs.minimum_font_size";
    278 const char kWebKitMinimumLogicalFontSize[] =
    279     "webkit.webprefs.minimum_logical_font_size";
    280 const char kWebKitJavascriptEnabled[] = "webkit.webprefs.javascript_enabled";
    281 const char kWebKitJavascriptCanOpenWindowsAutomatically[] =
    282     "webkit.webprefs.javascript_can_open_windows_automatically";
    283 const char kWebKitLoadsImagesAutomatically[] =
    284     "webkit.webprefs.loads_images_automatically";
    285 const char kWebKitPluginsEnabled[] = "webkit.webprefs.plugins_enabled";
    286 
    287 // Boolean which specifies whether the bookmark bar is visible on all tabs.
    288 const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs";
    289 
    290 // Boolean which specifies whether the apps shortcut is visible on the bookmark
    291 // bar.
    292 const char kShowAppsShortcutInBookmarkBar[] = "bookmark_bar.show_apps_shortcut";
    293 
    294 // Boolean which specifies the ids of the bookmark nodes that are expanded in
    295 // the bookmark editor.
    296 const char kBookmarkEditorExpandedNodes[] = "bookmark_editor.expanded_nodes";
    297 
    298 // Boolean controlling whether password generation is enabled (will allow users
    299 // to generated passwords on account creation pages).
    300 const char kPasswordGenerationEnabled[] = "password_generation.enabled";
    301 
    302 // Boolean that is true if the password manager is on (will record new
    303 // passwords and fill in known passwords).
    304 const char kPasswordManagerEnabled[] = "profile.password_manager_enabled";
    305 
    306 // Boolean controlling whether the password manager allows to retrieve passwords
    307 // in clear text.
    308 const char kPasswordManagerAllowShowPasswords[] =
    309     "profile.password_manager_allow_show_passwords";
    310 
    311 // A list of numbers. Each number corresponds to one of the domains monitored
    312 // for save-password-prompt breakages. That number is a random index into
    313 // the array of groups containing the monitored domain. That group should be
    314 // used for reporting that domain.
    315 const char kPasswordManagerGroupsForDomains[] =
    316     "profile.password_manager_groups_for_domains";
    317 
    318 // Booleans identifying whether normal and reverse auto-logins are enabled.
    319 const char kAutologinEnabled[] = "autologin.enabled";
    320 const char kReverseAutologinEnabled[] = "reverse_autologin.enabled";
    321 
    322 // List to keep track of emails for which the user has rejected one-click
    323 // sign-in.
    324 const char kReverseAutologinRejectedEmailList[] =
    325     "reverse_autologin.rejected_email_list";
    326 
    327 // Boolean that is true when SafeBrowsing is enabled.
    328 const char kSafeBrowsingEnabled[] = "safebrowsing.enabled";
    329 
    330 // Boolean that is true when SafeBrowsing Malware Report is enabled.
    331 const char kSafeBrowsingReportingEnabled[] =
    332     "safebrowsing.reporting_enabled";
    333 
    334 // Boolean that is true when the SafeBrowsing interstitial should not allow
    335 // users to proceed anyway.
    336 const char kSafeBrowsingProceedAnywayDisabled[] =
    337     "safebrowsing.proceed_anyway_disabled";
    338 
    339 // Enum that specifies whether Incognito mode is:
    340 // 0 - Enabled. Default behaviour. Default mode is available on demand.
    341 // 1 - Disabled. Used cannot browse pages in Incognito mode.
    342 // 2 - Forced. All pages/sessions are forced into Incognito.
    343 const char kIncognitoModeAvailability[] = "incognito.mode_availability";
    344 
    345 // Boolean that is true when Suggest support is enabled.
    346 const char kSearchSuggestEnabled[] = "search.suggest_enabled";
    347 
    348 // Boolean that indicates whether the browser should put up a confirmation
    349 // window when the user is attempting to quit. Mac only.
    350 const char kConfirmToQuitEnabled[] = "browser.confirm_to_quit";
    351 
    352 // OBSOLETE.  Enum that specifies whether to enforce a third-party cookie
    353 // blocking policy.  This has been superseded by kDefaultContentSettings +
    354 // kBlockThirdPartyCookies.
    355 // 0 - allow all cookies.
    356 // 1 - block third-party cookies
    357 // 2 - block all cookies
    358 const char kCookieBehavior[] = "security.cookie_behavior";
    359 
    360 // The GUID of the synced default search provider. Note that this acts like a
    361 // pointer to which synced search engine should be the default, rather than the
    362 // prefs below which describe the locally saved default search provider details
    363 // (and are not synced). This is ignored in the case of the default search
    364 // provider being managed by policy.
    365 const char kSyncedDefaultSearchProviderGUID[] =
    366     "default_search_provider.synced_guid";
    367 
    368 // Whether having a default search provider is enabled.
    369 const char kDefaultSearchProviderEnabled[] =
    370     "default_search_provider.enabled";
    371 
    372 // The URL (as understood by TemplateURLRef) the default search provider uses
    373 // for searches.
    374 const char kDefaultSearchProviderSearchURL[] =
    375     "default_search_provider.search_url";
    376 
    377 // The URL (as understood by TemplateURLRef) the default search provider uses
    378 // for suggestions.
    379 const char kDefaultSearchProviderSuggestURL[] =
    380     "default_search_provider.suggest_url";
    381 
    382 // The URL (as understood by TemplateURLRef) the default search provider uses
    383 // for instant results.
    384 const char kDefaultSearchProviderInstantURL[] =
    385     "default_search_provider.instant_url";
    386 
    387 // The URL (as understood by TemplateURLRef) the default search provider uses
    388 // for image search results.
    389 const char kDefaultSearchProviderImageURL[] =
    390     "default_search_provider.image_url";
    391 
    392 // The URL (as understood by TemplateURLRef) the default search provider uses
    393 // for the new tab page.
    394 const char kDefaultSearchProviderNewTabURL[] =
    395     "default_search_provider.new_tab_url";
    396 
    397 // The string of post parameters (as understood by TemplateURLRef) the default
    398 // search provider uses for searches by using POST.
    399 const char kDefaultSearchProviderSearchURLPostParams[] =
    400     "default_search_provider.search_url_post_params";
    401 
    402 // The string of post parameters (as understood by TemplateURLRef) the default
    403 // search provider uses for suggestions by using POST.
    404 const char kDefaultSearchProviderSuggestURLPostParams[] =
    405     "default_search_provider.suggest_url_post_params";
    406 
    407 // The string of post parameters (as understood by TemplateURLRef) the default
    408 // search provider uses for instant results by using POST.
    409 const char kDefaultSearchProviderInstantURLPostParams[] =
    410     "default_search_provider.instant_url_post_params";
    411 
    412 // The string of post parameters (as understood by TemplateURLRef) the default
    413 // search provider uses for image search results by using POST.
    414 const char kDefaultSearchProviderImageURLPostParams[] =
    415     "default_search_provider.image_url_post_params";
    416 
    417 // The Favicon URL (as understood by TemplateURLRef) of the default search
    418 // provider.
    419 const char kDefaultSearchProviderIconURL[] =
    420     "default_search_provider.icon_url";
    421 
    422 // The input encoding (as understood by TemplateURLRef) supported by the default
    423 // search provider.  The various encodings are separated by ';'
    424 const char kDefaultSearchProviderEncodings[] =
    425     "default_search_provider.encodings";
    426 
    427 // The name of the default search provider.
    428 const char kDefaultSearchProviderName[] = "default_search_provider.name";
    429 
    430 // The keyword of the default search provider.
    431 const char kDefaultSearchProviderKeyword[] = "default_search_provider.keyword";
    432 
    433 // The id of the default search provider.
    434 const char kDefaultSearchProviderID[] = "default_search_provider.id";
    435 
    436 // The prepopulate id of the default search provider.
    437 const char kDefaultSearchProviderPrepopulateID[] =
    438     "default_search_provider.prepopulate_id";
    439 
    440 // The alternate urls of the default search provider.
    441 const char kDefaultSearchProviderAlternateURLs[] =
    442     "default_search_provider.alternate_urls";
    443 
    444 // Search term placement query parameter for the default search provider.
    445 const char kDefaultSearchProviderSearchTermsReplacementKey[] =
    446     "default_search_provider.search_terms_replacement_key";
    447 
    448 // The dictionary key used when the default search providers are given
    449 // in the preferences file. Normally they are copied from the master
    450 // preferences file.
    451 const char kSearchProviderOverrides[] = "search_provider_overrides";
    452 // The format version for the dictionary above.
    453 const char kSearchProviderOverridesVersion[] =
    454     "search_provider_overrides_version";
    455 
    456 // Boolean which specifies whether we should ask the user if we should download
    457 // a file (true) or just download it automatically.
    458 const char kPromptForDownload[] = "download.prompt_for_download";
    459 
    460 // A boolean pref set to true if we're using Link Doctor error pages.
    461 const char kAlternateErrorPagesEnabled[] = "alternate_error_pages.enabled";
    462 
    463 // OBSOLETE: new pref now stored with user prefs instead of profile, as
    464 // kDnsPrefetchingStartupList.
    465 const char kDnsStartupPrefetchList[] = "StartupDNSPrefetchList";
    466 
    467 // An adaptively identified list of domain names to be pre-fetched during the
    468 // next startup, based on what was actually needed during this startup.
    469 const char kDnsPrefetchingStartupList[] = "dns_prefetching.startup_list";
    470 
    471 // OBSOLETE: new pref now stored with user prefs instead of profile, as
    472 // kDnsPrefetchingHostReferralList.
    473 const char kDnsHostReferralList[] = "HostReferralList";
    474 
    475 // A list of host names used to fetch web pages, and their commonly used
    476 // sub-resource hostnames (and expected latency benefits from pre-resolving, or
    477 // preconnecting to, such sub-resource hostnames).
    478 // This list is adaptively grown and pruned.
    479 const char kDnsPrefetchingHostReferralList[] =
    480     "dns_prefetching.host_referral_list";
    481 
    482 // Disables the SPDY protocol.
    483 const char kDisableSpdy[] = "spdy.disabled";
    484 
    485 // Prefs for persisting HttpServerProperties.
    486 const char kHttpServerProperties[] = "net.http_server_properties";
    487 
    488 // Prefs for server names that support SPDY protocol.
    489 const char kSpdyServers[] = "spdy.servers";
    490 
    491 // Prefs for servers that support Alternate-Protocol.
    492 const char kAlternateProtocolServers[] = "spdy.alternate_protocol";
    493 
    494 // Disables the listed protocol schemes.
    495 const char kDisabledSchemes[] = "protocol.disabled_schemes";
    496 
    497 // Blocks access to the listed host patterns.
    498 const char kUrlBlacklist[] = "policy.url_blacklist";
    499 
    500 // Allows access to the listed host patterns, as exceptions to the blacklist.
    501 const char kUrlWhitelist[] = "policy.url_whitelist";
    502 
    503 #if defined(OS_ANDROID)
    504 // Last time that a check for cloud policy management was done. This time is
    505 // recorded on Android so that retries aren't attempted on every startup.
    506 // Instead the cloud policy registration is retried at least 1 or 3 days later.
    507 const char kLastPolicyCheckTime[] = "policy.last_policy_check_time";
    508 
    509 // A list of bookmarks to include in a Managed Bookmarks root node. Each
    510 // list item is a dictionary containing a "name" and an "url" entry, detailing
    511 // the bookmark name and target URL respectively.
    512 const char kManagedBookmarks[] = "policy.managed_bookmarks";
    513 #endif
    514 
    515 // Prefix URL for the experimental Instant ZeroSuggest provider.
    516 const char kInstantUIZeroSuggestUrlPrefix[] =
    517     "instant_ui.zero_suggest_url_prefix";
    518 
    519 // Used to migrate preferences from local state to user preferences to
    520 // enable multiple profiles.
    521 // BITMASK with possible values (see browser_prefs.cc for enum):
    522 // 0: No preferences migrated.
    523 // 1: DNS preferences migrated: kDnsPrefetchingStartupList and HostReferralList
    524 // 2: Browser window preferences migrated: kDevToolsSplitLocation and
    525 //    kBrowserWindowPlacement
    526 const char kMultipleProfilePrefMigration[] =
    527     "local_state.multiple_profile_prefs_version";
    528 
    529 // A boolean pref set to true if prediction of network actions is allowed.
    530 // Actions include DNS prefetching, TCP and SSL preconnection, and prerendering
    531 // of web pages.
    532 // NOTE: The "dns_prefetching.enabled" value is used so that historical user
    533 // preferences are not lost.
    534 const char kNetworkPredictionEnabled[] = "dns_prefetching.enabled";
    535 
    536 // An integer representing the state of the default apps installation process.
    537 // This value is persisted in the profile's user preferences because the process
    538 // is async, and the user may have stopped chrome in the middle.  The next time
    539 // the profile is opened, the process will continue from where it left off.
    540 //
    541 // See possible values in external_provider_impl.cc.
    542 const char kDefaultAppsInstallState[] = "default_apps_install_state";
    543 
    544 // A boolean pref set to true if the Chrome Web Store icons should be hidden
    545 // from the New Tab Page and app launcher.
    546 const char kHideWebStoreIcon[] = "hide_web_store_icon";
    547 
    548 #if defined(OS_CHROMEOS)
    549 // A dictionary pref to hold the mute setting for all the currently known
    550 // audio devices.
    551 const char kAudioDevicesMute[] = "settings.audio.devices.mute";
    552 
    553 // A dictionary pref storing the volume settings for all the currently known
    554 // audio devices.
    555 const char kAudioDevicesVolumePercent[] =
    556     "settings.audio.devices.volume_percent";
    557 
    558 // An integer pref to initially mute volume if 1. This pref is ignored if
    559 // |kAudioOutputAllowed| is set to false, but its value is preserved, therefore
    560 // when the policy is lifted the original mute state is restored.  This setting
    561 // is here only for migration purposes now. It is being replaced by the
    562 // |kAudioDevicesMute| setting.
    563 const char kAudioMute[] = "settings.audio.mute";
    564 
    565 // A double pref storing the user-requested volume. This setting is here only
    566 // for migration purposes now. It is being replaced by the
    567 // |kAudioDevicesVolumePercent| setting.
    568 const char kAudioVolumePercent[] = "settings.audio.volume_percent";
    569 
    570 // An integer pref to record user's spring charger check result.
    571 // 0 - unknown charger, not checked yet.
    572 // 1 - confirmed safe charger.
    573 // 2 - confirmed original charger and declined to order new charger.
    574 // 3 - confirmed original charger and ordered new charger online.
    575 // 4 - confirmed original charger and ordered new charger by phone.
    576 // 5 - confirmed original charger, ordered a new one online, but continue to use
    577 //     the old one.
    578 // 6 - confirmed original charger, ordered a new one by phone, but continue to
    579 //     use the old one.
    580 const char kSpringChargerCheck[] = "settings.spring_charger.check_result";
    581 
    582 // A boolean pref set to true if touchpad tap-to-click is enabled.
    583 const char kTapToClickEnabled[] = "settings.touchpad.enable_tap_to_click";
    584 
    585 // A boolean pref set to true if touchpad tap-dragging is enabled.
    586 const char kTapDraggingEnabled[] = "settings.touchpad.enable_tap_dragging";
    587 
    588 // A boolean pref set to true if touchpad three-finger-click is enabled.
    589 const char kEnableTouchpadThreeFingerClick[] =
    590     "settings.touchpad.enable_three_finger_click";
    591 
    592 // A boolean pref set to true if touchpad natural scrolling is enabled.
    593 const char kNaturalScroll[] = "settings.touchpad.natural_scroll";
    594 
    595 // A boolean pref set to true if primary mouse button is the left button.
    596 const char kPrimaryMouseButtonRight[] = "settings.mouse.primary_right";
    597 
    598 // A integer pref for the touchpad sensitivity.
    599 const char kMouseSensitivity[] = "settings.mouse.sensitivity2";
    600 
    601 // A integer pref for the touchpad sensitivity.
    602 const char kTouchpadSensitivity[] = "settings.touchpad.sensitivity2";
    603 
    604 // A boolean pref set to true if time should be displayed in 24-hour clock.
    605 const char kUse24HourClock[] = "settings.clock.use_24hour_clock";
    606 
    607 // A boolean pref to disable Google Drive integration.
    608 // The pref prefix should remain as "gdata" for backward compatibility.
    609 const char kDisableDrive[] = "gdata.disabled";
    610 
    611 // A boolean pref to disable Drive over cellular connections.
    612 // The pref prefix should remain as "gdata" for backward compatibility.
    613 const char kDisableDriveOverCellular[] = "gdata.cellular.disabled";
    614 
    615 // A boolean pref to disable hosted files on Drive.
    616 // The pref prefix should remain as "gdata" for backward compatibility.
    617 const char kDisableDriveHostedFiles[] = "gdata.hosted_files.disabled";
    618 
    619 // A string pref set to the current input method.
    620 const char kLanguageCurrentInputMethod[] =
    621     "settings.language.current_input_method";
    622 
    623 // A string pref set to the previous input method.
    624 const char kLanguagePreviousInputMethod[] =
    625     "settings.language.previous_input_method";
    626 
    627 // A string pref (comma-separated list) set to the "next engine in menu"
    628 // hot-key lists.
    629 const char kLanguageHotkeyNextEngineInMenu[] =
    630     "settings.language.hotkey_next_engine_in_menu";
    631 
    632 // A string pref (comma-separated list) set to the "previous engine"
    633 // hot-key lists.
    634 const char kLanguageHotkeyPreviousEngine[] =
    635     "settings.language.hotkey_previous_engine";
    636 
    637 // A string pref (comma-separated list) set to the preferred language IDs
    638 // (ex. "en-US,fr,ko").
    639 const char kLanguagePreferredLanguages[] =
    640     "settings.language.preferred_languages";
    641 
    642 // A string pref (comma-separated list) set to the preloaded (active) input
    643 // method IDs (ex. "pinyin,mozc").
    644 const char kLanguagePreloadEngines[] = "settings.language.preload_engines";
    645 
    646 // A List pref (comma-separated list) set to the extension IMEs to be enabled.
    647 const char kLanguageEnabledExtensionImes[] =
    648     "settings.language.enabled_extension_imes";
    649 
    650 // Integer prefs which determine how we remap modifier keys (e.g. swap Alt and
    651 // Control.) Possible values for these prefs are 0-4. See ModifierKey enum in
    652 // src/chrome/browser/chromeos/input_method/xkeyboard.h
    653 const char kLanguageRemapSearchKeyTo[] =
    654     // Note: we no longer use XKB for remapping these keys, but we can't change
    655     // the pref names since the names are already synced with the cloud.
    656     "settings.language.xkb_remap_search_key_to";
    657 const char kLanguageRemapControlKeyTo[] =
    658     "settings.language.xkb_remap_control_key_to";
    659 const char kLanguageRemapAltKeyTo[] =
    660     "settings.language.xkb_remap_alt_key_to";
    661 const char kLanguageRemapCapsLockKeyTo[] =
    662     "settings.language.remap_caps_lock_key_to";
    663 const char kLanguageRemapDiamondKeyTo[] =
    664     "settings.language.remap_diamond_key_to";
    665 
    666 // A boolean pref that causes top-row keys to be interpreted as function keys
    667 // instead of as media keys.
    668 const char kLanguageSendFunctionKeys[] =
    669     "settings.language.send_function_keys";
    670 
    671 // A boolean pref which determines whether key repeat is enabled.
    672 const char kLanguageXkbAutoRepeatEnabled[] =
    673     "settings.language.xkb_auto_repeat_enabled_r2";
    674 // A integer pref which determines key repeat delay (in ms).
    675 const char kLanguageXkbAutoRepeatDelay[] =
    676     "settings.language.xkb_auto_repeat_delay_r2";
    677 // A integer pref which determines key repeat interval (in ms).
    678 const char kLanguageXkbAutoRepeatInterval[] =
    679     "settings.language.xkb_auto_repeat_interval_r2";
    680 // "_r2" suffixes are added to the three prefs above when we change the
    681 // preferences not user-configurable, not to sync them with cloud.
    682 
    683 // A boolean pref which determines whether the large cursor feature is enabled.
    684 const char kLargeCursorEnabled[] = "settings.a11y.large_cursor_enabled";
    685 // A boolean pref which determines whether the sticky keys feature is enabled.
    686 const char kStickyKeysEnabled[] = "settings.a11y.sticky_keys_enabled";
    687 // A boolean pref which determines whether spoken feedback is enabled.
    688 const char kSpokenFeedbackEnabled[] = "settings.accessibility";
    689 // A boolean pref which determines whether high conrast is enabled.
    690 const char kHighContrastEnabled[] = "settings.a11y.high_contrast_enabled";
    691 // A boolean pref which determines whether screen magnifier is enabled.
    692 const char kScreenMagnifierEnabled[] = "settings.a11y.screen_magnifier";
    693 // A integer pref which determines what type of screen magnifier is enabled.
    694 // Note that: 'screen_magnifier_type' had been used as string pref. Hence,
    695 // we are using another name pref here.
    696 const char kScreenMagnifierType[] = "settings.a11y.screen_magnifier_type2";
    697 // A double pref which determines a zooming scale of the screen magnifier.
    698 const char kScreenMagnifierScale[] = "settings.a11y.screen_magnifier_scale";
    699 // A boolean pref which determines whether virtual keyboard is enabled.
    700 // TODO(hashimoto): Remove this pref.
    701 const char kVirtualKeyboardEnabled[] = "settings.a11y.virtual_keyboard";
    702 // A boolean pref which determines whether autoclick is enabled.
    703 const char kAutoclickEnabled[] = "settings.a11y.autoclick";
    704 // An integer pref which determines time in ms between when the mouse cursor
    705 // stops and when an autoclick is triggered.
    706 const char kAutoclickDelayMs[] = "settings.a11y.autoclick_delay_ms";
    707 // A boolean pref which determines whether the accessibility menu shows
    708 // regardless of the state of a11y features.
    709 const char kShouldAlwaysShowAccessibilityMenu[] = "settings.a11y.enable_menu";
    710 
    711 // A boolean pref which turns on Advanced Filesystem
    712 // (USB support, SD card, etc).
    713 const char kLabsAdvancedFilesystemEnabled[] =
    714     "settings.labs.advanced_filesystem";
    715 
    716 // A boolean pref which turns on the mediaplayer.
    717 const char kLabsMediaplayerEnabled[] = "settings.labs.mediaplayer";
    718 
    719 // A boolean pref that turns on screen locker.
    720 const char kEnableScreenLock[] = "settings.enable_screen_lock";
    721 
    722 // A boolean pref of whether to show mobile plan notifications.
    723 const char kShowPlanNotifications[] =
    724     "settings.internet.mobile.show_plan_notifications";
    725 
    726 // A boolean pref of whether to show 3G promo notification.
    727 const char kShow3gPromoNotification[] =
    728     "settings.internet.mobile.show_3g_promo_notification";
    729 
    730 // A string pref that contains version where "What's new" promo was shown.
    731 const char kChromeOSReleaseNotesVersion[] = "settings.release_notes.version";
    732 
    733 // A boolean pref that controls whether proxy settings from shared network
    734 // settings (accordingly from device policy) are applied or ignored.
    735 const char kUseSharedProxies[] = "settings.use_shared_proxies";
    736 
    737 // Power state of the current displays from the last run.
    738 const char kDisplayPowerState[] = "settings.display.power_state";
    739 // A dictionary pref that stores per display preferences.
    740 const char kDisplayProperties[] = "settings.display.properties";
    741 
    742 // A dictionary pref that specifies per-display layout/offset information.
    743 // Its key is the ID of the display and its value is a dictionary for the
    744 // layout/offset information.
    745 const char kSecondaryDisplays[] = "settings.display.secondary_displays";
    746 
    747 // A boolean pref indicating whether user activity has been observed in the
    748 // current session already. The pref is used to restore information about user
    749 // activity after browser crashes.
    750 const char kSessionUserActivitySeen[] = "session.user_activity_seen";
    751 
    752 // A preference to keep track of the session start time. If the session length
    753 // limit is configured to start running after initial user activity has been
    754 // observed, the pref is set after the first user activity in a session.
    755 // Otherwise, it is set immediately after session start. The pref is used to
    756 // restore the session start time after browser crashes. The time is expressed
    757 // as the serialization obtained from base::TimeTicks::ToInternalValue().
    758 const char kSessionStartTime[] = "session.start_time";
    759 
    760 // Holds the maximum session time in milliseconds. If this pref is set, the
    761 // user is logged out when the maximum session time is reached. The user is
    762 // informed about the remaining time by a countdown timer shown in the ash
    763 // system tray.
    764 const char kSessionLengthLimit[] = "session.length_limit";
    765 
    766 // Whether the session length limit should start running only after the first
    767 // user activity has been observed in a session.
    768 const char kSessionWaitForInitialUserActivity[] =
    769     "session.wait_for_initial_user_activity";
    770 
    771 // Inactivity time in milliseconds while the system is on AC power before
    772 // the screen should be dimmed, turned off, or locked, before an
    773 // IdleActionImminent D-Bus signal should be sent, or before
    774 // kPowerAcIdleAction should be performed.  0 disables the delay (N/A for
    775 // kPowerAcIdleDelayMs).
    776 const char kPowerAcScreenDimDelayMs[] = "power.ac_screen_dim_delay_ms";
    777 const char kPowerAcScreenOffDelayMs[] = "power.ac_screen_off_delay_ms";
    778 const char kPowerAcScreenLockDelayMs[] = "power.ac_screen_lock_delay_ms";
    779 const char kPowerAcIdleWarningDelayMs[] = "power.ac_idle_warning_delay_ms";
    780 const char kPowerAcIdleDelayMs[] = "power.ac_idle_delay_ms";
    781 
    782 // Similar delays while the system is on battery power.
    783 const char kPowerBatteryScreenDimDelayMs[] =
    784     "power.battery_screen_dim_delay_ms";
    785 const char kPowerBatteryScreenOffDelayMs[] =
    786     "power.battery_screen_off_delay_ms";
    787 const char kPowerBatteryScreenLockDelayMs[] =
    788     "power.battery_screen_lock_delay_ms";
    789 const char kPowerBatteryIdleWarningDelayMs[] =
    790     "power.battery_idle_warning_delay_ms";
    791 const char kPowerBatteryIdleDelayMs[] =
    792     "power.battery_idle_delay_ms";
    793 
    794 // Action that should be performed when the idle delay is reached while the
    795 // system is on AC power or battery power.
    796 // Values are from the chromeos::PowerPolicyController::Action enum.
    797 const char kPowerAcIdleAction[] = "power.ac_idle_action";
    798 const char kPowerBatteryIdleAction[] = "power.battery_idle_action";
    799 
    800 // Action that should be performed when the lid is closed.
    801 // Values are from the chromeos::PowerPolicyController::Action enum.
    802 const char kPowerLidClosedAction[] = "power.lid_closed_action";
    803 
    804 // Should audio and video activity be used to disable the above delays?
    805 const char kPowerUseAudioActivity[] = "power.use_audio_activity";
    806 const char kPowerUseVideoActivity[] = "power.use_video_activity";
    807 
    808 // Should extensions be able to use the chrome.power API to override
    809 // screen-related power management (including locking)?
    810 const char kPowerAllowScreenWakeLocks[] = "power.allow_screen_wake_locks";
    811 
    812 // Amount by which the screen-dim delay should be scaled while the system
    813 // is in presentation mode. Values are limited to a minimum of 1.0.
    814 const char kPowerPresentationScreenDimDelayFactor[] =
    815     "power.presentation_screen_dim_delay_factor";
    816 
    817 // Amount by which the screen-dim delay should be scaled when user activity is
    818 // observed while the screen is dimmed or soon after the screen has been turned
    819 // off.  Values are limited to a minimum of 1.0.
    820 const char kPowerUserActivityScreenDimDelayFactor[] =
    821     "power.user_activity_screen_dim_delay_factor";
    822 
    823 // Whether the power management delays should start running only after the first
    824 // user activity has been observed in a session.
    825 const char kPowerWaitForInitialUserActivity[] =
    826     "power.wait_for_initial_user_activity";
    827 
    828 // The URL from which the Terms of Service can be downloaded. The value is only
    829 // honored for public accounts.
    830 const char kTermsOfServiceURL[] = "terms_of_service.url";
    831 
    832 // Indicates that the Profile has made navigations that used a certificate
    833 // installed by the system administrator. If that is true then the local cache
    834 // of remote data is tainted (e.g. shared scripts), and future navigations
    835 // show a warning indicating that the organization may track the browsing
    836 // session.
    837 const char kUsedPolicyCertificatesOnce[] = "used_policy_certificates_once";
    838 
    839 // Indicates whether the remote attestation is enabled for the user.
    840 const char kAttestationEnabled[] = "attestation.enabled";
    841 // The list of extensions allowed to use the platformKeysPrivate API for
    842 // remote attestation.
    843 const char kAttestationExtensionWhitelist[] = "attestation.extension_whitelist";
    844 
    845 // A boolean pref indicating whether the projection touch HUD is enabled or not.
    846 const char kTouchHudProjectionEnabled[] = "touch_hud.projection_enabled";
    847 
    848 // A pref to configure networks. Its value must be a list of
    849 // NetworkConfigurations according to the OpenNetworkConfiguration
    850 // specification.
    851 // Currently, this pref is only used to store the policy. The user's
    852 // configuration is still stored in Shill.
    853 const char kOpenNetworkConfiguration[] = "onc";
    854 
    855 // A boolean pref that tracks whether the user has already given consent for
    856 // enabling remote attestation for content protection.
    857 const char kRAConsentFirstTime[] = "settings.privacy.ra_consent";
    858 
    859 // A boolean pref recording whether user has dismissed the multiprofile
    860 // notification.
    861 const char kMultiProfileNotificationDismissed[] =
    862     "settings.multi_profile_notification_dismissed";
    863 
    864 // A string pref that holds string enum values of how the user should behave
    865 // in a multiprofile session. See ChromeOsMultiProfileUserBehavior policy
    866 // for more details of the valid values.
    867 const char kMultiProfileUserBehavior[] = "settings.multiprofile_user_behavior";
    868 #endif  // defined(OS_CHROMEOS)
    869 
    870 // The disabled messages in IPC logging.
    871 const char kIpcDisabledMessages[] = "ipc_log_disabled_messages";
    872 
    873 // A boolean pref set to true if a Home button to open the Home pages should be
    874 // visible on the toolbar.
    875 const char kShowHomeButton[] = "browser.show_home_button";
    876 
    877 // A string value which saves short list of recently user selected encodings
    878 // separated with comma punctuation mark.
    879 const char kRecentlySelectedEncoding[] = "profile.recently_selected_encodings";
    880 
    881 // Clear Browsing Data dialog preferences.
    882 const char kDeleteBrowsingHistory[] = "browser.clear_data.browsing_history";
    883 const char kDeleteDownloadHistory[] = "browser.clear_data.download_history";
    884 const char kDeleteCache[] = "browser.clear_data.cache";
    885 const char kDeleteCookies[] = "browser.clear_data.cookies";
    886 const char kDeletePasswords[] = "browser.clear_data.passwords";
    887 const char kDeleteFormData[] = "browser.clear_data.form_data";
    888 const char kDeleteHostedAppsData[] = "browser.clear_data.hosted_apps_data";
    889 const char kDeauthorizeContentLicenses[] =
    890     "browser.clear_data.content_licenses";
    891 const char kDeleteTimePeriod[] = "browser.clear_data.time_period";
    892 const char kLastClearBrowsingDataTime[] =
    893     "browser.last_clear_browsing_data_time";
    894 
    895 // Boolean pref to define the default values for using spellchecker.
    896 const char kEnableContinuousSpellcheck[] = "browser.enable_spellchecking";
    897 
    898 // List of names of the enabled labs experiments (see chrome/browser/labs.cc).
    899 const char kEnabledLabsExperiments[] = "browser.enabled_labs_experiments";
    900 
    901 // Boolean pref to define the default values for using auto spell correct.
    902 const char kEnableAutoSpellCorrect[] = "browser.enable_autospellcorrect";
    903 
    904 // Boolean pref to define the default setting for "block offensive words".
    905 // The old key value is kept to avoid unnecessary migration code.
    906 const char kSpeechRecognitionFilterProfanities[] =
    907     "browser.speechinput_censor_results";
    908 
    909 // List of speech recognition context names (extensions or websites) for which
    910 // the tray notification balloon has already been shown.
    911 const char kSpeechRecognitionTrayNotificationShownContexts[] =
    912     "browser.speechinput_tray_notification_shown_contexts";
    913 
    914 // Boolean controlling whether history saving is disabled.
    915 const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";
    916 
    917 // Boolean controlling whether deleting browsing and download history is
    918 // permitted.
    919 const char kAllowDeletingBrowserHistory[] = "history.deleting_enabled";
    920 
    921 // Boolean controlling whether SafeSearch is mandatory for Google Web Searches.
    922 const char kForceSafeSearch[] = "settings.force_safesearch";
    923 
    924 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
    925 // Linux specific preference on whether we should match the system theme.
    926 const char kUsesSystemTheme[] = "extensions.theme.use_system";
    927 #endif
    928 const char kCurrentThemePackFilename[] = "extensions.theme.pack";
    929 const char kCurrentThemeID[] = "extensions.theme.id";
    930 const char kCurrentThemeImages[] = "extensions.theme.images";
    931 const char kCurrentThemeColors[] = "extensions.theme.colors";
    932 const char kCurrentThemeTints[] = "extensions.theme.tints";
    933 const char kCurrentThemeDisplayProperties[] = "extensions.theme.properties";
    934 
    935 // Boolean pref which persists whether the extensions_ui is in developer mode
    936 // (showing developer packing tools and extensions details)
    937 const char kExtensionsUIDeveloperMode[] = "extensions.ui.developer_mode";
    938 
    939 // Integer pref that tracks the number of browser actions visible in the browser
    940 // actions toolbar.
    941 const char kExtensionToolbarSize[] = "extensions.toolbarsize";
    942 
    943 // A preference that tracks browser action toolbar configuration. This is a list
    944 // object stored in the Preferences file. The extensions are stored by ID.
    945 const char kExtensionToolbar[] = "extensions.toolbar";
    946 
    947 // Dictionary pref that tracks which command belongs to which
    948 // extension + named command pair.
    949 const char kExtensionCommands[] = "extensions.commands";
    950 
    951 // A list of known disabled extensions IDs.
    952 const char kExtensionKnownDisabled[] = "extensions.known_disabled";
    953 
    954 // Pref containing the directory for internal plugins as written to the plugins
    955 // list (below).
    956 const char kPluginsLastInternalDirectory[] = "plugins.last_internal_directory";
    957 
    958 // List pref containing information (dictionaries) on plugins.
    959 const char kPluginsPluginsList[] = "plugins.plugins_list";
    960 
    961 // List pref containing names of plugins that are disabled by policy.
    962 const char kPluginsDisabledPlugins[] = "plugins.plugins_disabled";
    963 
    964 // List pref containing exceptions to the list of plugins disabled by policy.
    965 const char kPluginsDisabledPluginsExceptions[] =
    966     "plugins.plugins_disabled_exceptions";
    967 
    968 // List pref containing names of plugins that are enabled by policy.
    969 const char kPluginsEnabledPlugins[] = "plugins.plugins_enabled";
    970 
    971 // When bundled NPAPI Flash is removed, if at that point it is enabled while
    972 // Pepper Flash is disabled, we would like to turn on Pepper Flash. And we will
    973 // want to do so only once.
    974 const char kPluginsMigratedToPepperFlash[] = "plugins.migrated_to_pepper_flash";
    975 
    976 // In the early stage of component-updated PPAPI Flash, we did field trials in
    977 // which it was set to disabled by default. The corresponding settings item may
    978 // remain in some users' profiles. Currently it affects both the bundled and
    979 // component-updated PPAPI Flash (since the two share the same enable/disable
    980 // state). We want to remove this item to get those users to use PPAPI Flash.
    981 // We will want to do so only once.
    982 const char kPluginsRemovedOldComponentPepperFlashSettings[] =
    983     "plugins.removed_old_component_pepper_flash_settings";
    984 
    985 #if !defined(OS_ANDROID)
    986 // Whether about:plugins is shown in the details mode or not.
    987 const char kPluginsShowDetails[] = "plugins.show_details";
    988 #endif
    989 
    990 // Boolean that indicates whether outdated plugins are allowed or not.
    991 const char kPluginsAllowOutdated[] = "plugins.allow_outdated";
    992 
    993 // Boolean that indicates whether plugins that require authorization should
    994 // be always allowed or not.
    995 const char kPluginsAlwaysAuthorize[] = "plugins.always_authorize";
    996 
    997 #if defined(ENABLE_PLUGIN_INSTALLATION)
    998 // Dictionary holding plug-ins metadata.
    999 const char kPluginsMetadata[] = "plugins.metadata";
   1000 
   1001 // Last update time of plug-ins resource cache.
   1002 const char kPluginsResourceCacheUpdate[] = "plugins.resource_cache_update";
   1003 #endif
   1004 
   1005 // Boolean that indicates whether we should check if we are the default browser
   1006 // on start-up.
   1007 const char kCheckDefaultBrowser[] = "browser.check_default_browser";
   1008 
   1009 #if defined(OS_WIN)
   1010 // By default, setting Chrome as default during first run on Windows 8 will
   1011 // trigger shutting down the current instance and spawning a new (Metro)
   1012 // Chrome. This boolean preference suppresses this behaviour.
   1013 const char kSuppressSwitchToMetroModeOnSetDefault[] =
   1014     "browser.suppress_switch_to_metro_mode_on_set_default";
   1015 #endif
   1016 
   1017 // Policy setting whether default browser check should be disabled and default
   1018 // browser registration should take place.
   1019 const char kDefaultBrowserSettingEnabled[] =
   1020     "browser.default_browser_setting_enabled";
   1021 
   1022 #if defined(OS_MACOSX)
   1023 // Boolean that indicates whether the application should show the info bar
   1024 // asking the user to set up automatic updates when Keystone promotion is
   1025 // required.
   1026 const char kShowUpdatePromotionInfoBar[] =
   1027     "browser.show_update_promotion_info_bar";
   1028 #endif
   1029 
   1030 // Boolean that is false if we should show window manager decorations.  If
   1031 // true, we draw a custom chrome frame (thicker title bar and blue border).
   1032 const char kUseCustomChromeFrame[] = "browser.custom_chrome_frame";
   1033 
   1034 // The preferred position (which corner of screen) for desktop notifications.
   1035 const char kDesktopNotificationPosition[] =
   1036     "browser.desktop_notification_position";
   1037 
   1038 // Dictionary of content settings applied to all hosts by default.
   1039 const char kDefaultContentSettings[] = "profile.default_content_settings";
   1040 
   1041 // Boolean indicating whether the clear on exit pref was migrated to content
   1042 // settings yet.
   1043 const char kContentSettingsClearOnExitMigrated[] =
   1044     "profile.content_settings.clear_on_exit_migrated";
   1045 
   1046 // Version of the pattern format used to define content settings.
   1047 const char kContentSettingsVersion[] = "profile.content_settings.pref_version";
   1048 
   1049 // Patterns for mapping origins to origin related settings. Default settings
   1050 // will be applied to origins that don't match any of the patterns. The pattern
   1051 // format used is defined by kContentSettingsVersion.
   1052 const char kContentSettingsPatternPairs[] =
   1053     "profile.content_settings.pattern_pairs";
   1054 
   1055 // Version of the content settings whitelist.
   1056 const char kContentSettingsDefaultWhitelistVersion[] =
   1057     "profile.content_settings.whitelist_version";
   1058 
   1059 #if !defined(OS_ANDROID)
   1060 // Which plugins have been whitelisted manually by the user.
   1061 const char kContentSettingsPluginWhitelist[] =
   1062     "profile.content_settings.plugin_whitelist";
   1063 #endif
   1064 
   1065 // Boolean that is true if we should unconditionally block third-party cookies,
   1066 // regardless of other content settings.
   1067 const char kBlockThirdPartyCookies[] = "profile.block_third_party_cookies";
   1068 
   1069 // Boolean that is true when all locally stored site data (e.g. cookies, local
   1070 // storage, etc..) should be deleted on exit.
   1071 const char kClearSiteDataOnExit[] = "profile.clear_site_data_on_exit";
   1072 
   1073 // Double that indicates the default zoom level.
   1074 const char kDefaultZoomLevel[] = "profile.default_zoom_level";
   1075 
   1076 // Dictionary that maps hostnames to zoom levels.  Hosts not in this pref will
   1077 // be displayed at the default zoom level.
   1078 const char kPerHostZoomLevels[] = "profile.per_host_zoom_levels";
   1079 
   1080 // A dictionary that tracks the default data model to use for each section of
   1081 // the dialog.
   1082 const char kAutofillDialogAutofillDefault[] = "autofill.data_model_default";
   1083 
   1084 // Whether a user opted out of making purchases with Google Wallet; changed via
   1085 // the autofill dialog's account chooser and set explicitly on dialog submission
   1086 // (but not cancel). If this isn't set, the dialog assumes it's the first run.
   1087 const char kAutofillDialogPayWithoutWallet[] = "autofill.pay_without_wallet";
   1088 
   1089 // Which GAIA users have accepted that use of Google Wallet implies their
   1090 // location will be shared with fraud protection services.
   1091 const char kAutofillDialogWalletLocationAcceptance[] =
   1092     "autofill.wallet_location_disclosure";
   1093 
   1094 // Whether a user wants to save data locally in Autofill.
   1095 const char kAutofillDialogSaveData[] = "autofill.save_data";
   1096 
   1097 // Whether the user has selected "Same as billing" for the shipping address when
   1098 // using Google Wallet.
   1099 const char kAutofillDialogWalletShippingSameAsBilling[] =
   1100     "autofill.wallet_shipping_same_as_billing";
   1101 
   1102 // The number of times the generated credit card bubble has been shown.
   1103 const char kAutofillGeneratedCardBubbleTimesShown[] =
   1104     "autofill.generated_card_bubble_times_shown";
   1105 
   1106 // A dictionary that tracks the defaults to be set on the next invocation
   1107 // of the requestAutocomplete dialog.
   1108 const char kAutofillDialogDefaults[] = "autofill.rac_dialog_defaults";
   1109 
   1110 // Modifying bookmarks is completely disabled when this is set to false.
   1111 const char kEditBookmarksEnabled[] = "bookmarks.editing_enabled";
   1112 
   1113 // Boolean that is true when the translate feature is enabled.
   1114 const char kEnableTranslate[] = "translate.enabled";
   1115 
   1116 #if !defined(OS_ANDROID)
   1117 const char kPinnedTabs[] = "pinned_tabs";
   1118 #endif
   1119 
   1120 #if defined(OS_ANDROID)
   1121 // Boolean that controls the enabled-state of Geolocation in content.
   1122 const char kGeolocationEnabled[] = "geolocation.enabled";
   1123 #endif
   1124 
   1125 #if defined(ENABLE_GOOGLE_NOW)
   1126 // Boolean that is true when Google services can use the user's location.
   1127 const char kGoogleGeolocationAccessEnabled[] =
   1128     "googlegeolocationaccess.enabled";
   1129 #endif
   1130 
   1131 // The default audio capture device used by the Media content setting.
   1132 const char kDefaultAudioCaptureDevice[] = "media.default_audio_capture_device";
   1133 
   1134 // The default video capture device used by the Media content setting.
   1135 const char kDefaultVideoCaptureDevice[] = "media.default_video_capture_Device";
   1136 
   1137 // The salt used for creating random MediaSource IDs.
   1138 const char kMediaDeviceIdSalt[] = "media.device_id_salt";
   1139 
   1140 // Preference to disable 3D APIs (WebGL, Pepper 3D).
   1141 const char kDisable3DAPIs[] = "disable_3d_apis";
   1142 
   1143 // Whether to enable hyperlink auditing ("<a ping>").
   1144 const char kEnableHyperlinkAuditing[] = "enable_a_ping";
   1145 
   1146 // Whether to enable sending referrers.
   1147 const char kEnableReferrers[] = "enable_referrers";
   1148 
   1149 // Whether to send the DNT header.
   1150 const char kEnableDoNotTrack[] = "enable_do_not_track";
   1151 
   1152 // Boolean to enable reporting memory info to page.
   1153 const char kEnableMemoryInfo[] = "enable_memory_info";
   1154 
   1155 // GL_VENDOR string.
   1156 const char kGLVendorString[] = "gl_vendor_string";
   1157 
   1158 // GL_RENDERER string.
   1159 const char kGLRendererString[] = "gl_renderer_string";
   1160 
   1161 // GL_VERSION string.
   1162 const char kGLVersionString[] = "gl_version_string";
   1163 
   1164 // Boolean that specifies whether to import bookmarks from the default browser
   1165 // on first run.
   1166 const char kImportBookmarks[] = "import_bookmarks";
   1167 
   1168 // Boolean that specifies whether to import the browsing history from the
   1169 // default browser on first run.
   1170 const char kImportHistory[] = "import_history";
   1171 
   1172 // Boolean that specifies whether to import the homepage from the default
   1173 // browser on first run.
   1174 const char kImportHomepage[] = "import_home_page";
   1175 
   1176 // Boolean that specifies whether to import the search engine from the default
   1177 // browser on first run.
   1178 const char kImportSearchEngine[] = "import_search_engine";
   1179 
   1180 // Boolean that specifies whether to import the saved passwords from the default
   1181 // browser on first run.
   1182 const char kImportSavedPasswords[] = "import_saved_passwords";
   1183 
   1184 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
   1185 // The local profile id for this profile.
   1186 const char kLocalProfileId[] = "profile.local_profile_id";
   1187 
   1188 // Whether passwords in external services (e.g. GNOME Keyring) have been tagged
   1189 // with the local profile id yet. (Used for migrating to tagged passwords.)
   1190 const char kPasswordsUseLocalProfileId[] =
   1191     "profile.passwords_use_local_profile_id";
   1192 #endif
   1193 
   1194 // Profile avatar and name
   1195 const char kProfileAvatarIndex[] = "profile.avatar_index";
   1196 const char kProfileName[] = "profile.name";
   1197 
   1198 // Whether the profile is managed.
   1199 const char kProfileIsManaged[] = "profile.is_managed";
   1200 
   1201 // The managed user ID.
   1202 const char kManagedUserId[] = "profile.managed_user_id";
   1203 
   1204 // Indicates if we've already shown a notification that high contrast
   1205 // mode is on, recommending high-contrast extensions and themes.
   1206 const char kInvertNotificationShown[] = "invert_notification_version_2_shown";
   1207 
   1208 // Boolean controlling whether printing is enabled.
   1209 const char kPrintingEnabled[] = "printing.enabled";
   1210 
   1211 // Boolean controlling whether print preview is disabled.
   1212 const char kPrintPreviewDisabled[] = "printing.print_preview_disabled";
   1213 
   1214 // An integer pref specifying the fallback behavior for sites outside of content
   1215 // packs. One of:
   1216 // 0: Allow (does nothing)
   1217 // 1: Warn.
   1218 // 2: Block.
   1219 const char kDefaultManagedModeFilteringBehavior[] =
   1220     "profile.managed.default_filtering_behavior";
   1221 
   1222 // Whether this user is permitted to create managed users.
   1223 const char kManagedUserCreationAllowed[] =
   1224     "profile.managed_user_creation_allowed";
   1225 
   1226 // List pref containing the users managed by this user.
   1227 const char kManagedUsers[] = "profile.managed_users";
   1228 
   1229 // List pref containing the extension ids which are not allowed to send
   1230 // notifications to the message center.
   1231 const char kMessageCenterDisabledExtensionIds[] =
   1232     "message_center.disabled_extension_ids";
   1233 
   1234 // List pref containing the system component ids which are not allowed to send
   1235 // notifications to the message center.
   1236 const char kMessageCenterDisabledSystemComponentIds[] =
   1237     "message_center.disabled_system_component_ids";
   1238 
   1239 // List pref containing the system component ids which are allowed to send
   1240 // notifications to the message center.
   1241 extern const char kMessageCenterEnabledSyncNotifierIds[] =
   1242     "message_center.enabled_sync_notifier_ids";
   1243 
   1244 // List pref containing synced notification sending services that are currently
   1245 // enabled.
   1246 extern const char kEnabledSyncedNotificationSendingServices[] =
   1247     "synced_notification.enabled_sending_services";
   1248 
   1249 // List pref containing which synced notification sending services have already
   1250 // been turned on once for the user (so we don't turn them on again).
   1251 extern const char kInitializedSyncedNotificationSendingServices[] =
   1252     "synced_notification.initialized_sending_services";
   1253 
   1254 // Boolean pref containing whether this is the first run of the Synced
   1255 // Notification feature.
   1256 extern const char kSyncedNotificationFirstRun[] =
   1257     "synced_notification.first_run";
   1258 
   1259 // Boolean pref indicating the welcome notification was dismissed by the user.
   1260 extern const char kWelcomeNotificationDismissed[] =
   1261     "message_center.welcome_notification_dismissed";
   1262 
   1263 // Boolean pref indicating the welcome notification was previously popped up.
   1264 extern const char kWelcomeNotificationPreviouslyPoppedUp[] =
   1265     "message_center.welcome_notification_previously_popped_up";
   1266 
   1267 // Dictionary pref that keeps track of per-extension settings. The keys are
   1268 // extension ids.
   1269 const char kExtensionsPref[] = "extensions.settings";
   1270 
   1271 // String pref for what version chrome was last time the extension prefs were
   1272 // loaded.
   1273 const char kExtensionsLastChromeVersion[] = "extensions.last_chrome_version";
   1274 
   1275 // Boolean pref that determines whether the user can enter fullscreen mode.
   1276 // Disabling fullscreen mode also makes kiosk mode unavailable on desktop
   1277 // platforms.
   1278 extern const char kFullscreenAllowed[] = "fullscreen.allowed";
   1279 
   1280 // Enable notifications for new devices on the local network that can be
   1281 // registered to the user's account, e.g. Google Cloud Print printers.
   1282 const char kLocalDiscoveryNotificationsEnabled[] =
   1283     "local_discovery.notifications_enabled";
   1284 
   1285 // String that indicates if the Profile Reset prompt has already been shown to
   1286 // the user. Used both in user preferences and local state, in the latter, it is
   1287 // actually a dictionary that maps profile keys to before-mentioned strings.
   1288 const char kProfileResetPromptMemento[] = "profile.reset_prompt_memento";
   1289 
   1290 // Stores the check-in info retrieved from the GCM server.
   1291 const char kGCMUserAccountID[] = "gcm.user.account_id";
   1292 const char kGCMUserToken[] = "gcm.user.token";
   1293 
   1294 // *************** LOCAL STATE ***************
   1295 // These are attached to the machine/installation
   1296 
   1297 // A pref to configure networks device-wide. Its value must be a list of
   1298 // NetworkConfigurations according to the OpenNetworkConfiguration
   1299 // specification.
   1300 // Currently, this pref is only used to store the policy. The user's
   1301 // configuration is still stored in Shill.
   1302 const char kDeviceOpenNetworkConfiguration[] = "device_onc";
   1303 
   1304 // Directory of the last profile used.
   1305 const char kProfileLastUsed[] = "profile.last_used";
   1306 
   1307 // List of directories of the profiles last active.
   1308 const char kProfilesLastActive[] = "profile.last_active_profiles";
   1309 
   1310 // Total number of profiles created for this Chrome build. Used to tag profile
   1311 // directories.
   1312 const char kProfilesNumCreated[] = "profile.profiles_created";
   1313 
   1314 // String containing the version of Chrome that the profile was created by.
   1315 // If profile was created before this feature was added, this pref will default
   1316 // to "1.0.0.0".
   1317 const char kProfileCreatedByVersion[] = "profile.created_by_version";
   1318 
   1319 // A map of profile data directory to cached information. This cache can be
   1320 // used to display information about profiles without actually having to load
   1321 // them.
   1322 const char kProfileInfoCache[] = "profile.info_cache";
   1323 
   1324 // Prefs for SSLConfigServicePref.
   1325 const char kCertRevocationCheckingEnabled[] = "ssl.rev_checking.enabled";
   1326 const char kCertRevocationCheckingRequiredLocalAnchors[] =
   1327     "ssl.rev_checking.required_for_local_anchors";
   1328 const char kSSLVersionMin[] = "ssl.version_min";
   1329 const char kSSLVersionMax[] = "ssl.version_max";
   1330 const char kCipherSuiteBlacklist[] = "ssl.cipher_suites.blacklist";
   1331 const char kEnableOriginBoundCerts[] = "ssl.origin_bound_certs.enabled";
   1332 const char kDisableSSLRecordSplitting[] = "ssl.ssl_record_splitting.disabled";
   1333 const char kEnableUnrestrictedSSL3Fallback[] =
   1334     "ssl.unrestricted_ssl3_fallback.enabled";
   1335 
   1336 // A boolean pref of the EULA accepted flag.
   1337 const char kEulaAccepted[] = "EulaAccepted";
   1338 
   1339 // The metrics client GUID, entropy source and session ID.
   1340 const char kMetricsClientID[] = "user_experience_metrics.client_id";
   1341 const char kMetricsSessionID[] = "user_experience_metrics.session_id";
   1342 const char kMetricsLowEntropySource[] =
   1343     "user_experience_metrics.low_entropy_source";
   1344 const char kMetricsPermutedEntropyCache[] =
   1345     "user_experience_metrics.permuted_entropy_cache";
   1346 
   1347 // Date/time when the current metrics profile ID was created
   1348 // (which hopefully corresponds to first run).
   1349 const char kMetricsClientIDTimestamp[] =
   1350     "user_experience_metrics.client_id_timestamp";
   1351 
   1352 // Boolean that specifies whether or not crash reporting and metrics reporting
   1353 // are sent over the network for analysis.
   1354 const char kMetricsReportingEnabled[] =
   1355     "user_experience_metrics.reporting_enabled";
   1356 
   1357 // Boolean that specifies whether or not crash reports are sent
   1358 // over the network for analysis.
   1359 #if defined(OS_ANDROID)
   1360 const char kCrashReportingEnabled[] =
   1361     "user_experience_metrics_crash.reporting_enabled";
   1362 #endif
   1363 
   1364 // Array of strings that are each UMA logs that were supposed to be sent in the
   1365 // first minute of a browser session. These logs include things like crash count
   1366 // info, etc.
   1367 const char kMetricsInitialLogs[] =
   1368     "user_experience_metrics.initial_logs_as_protobufs";
   1369 
   1370 // Array of strings that are each UMA logs that were not sent because the
   1371 // browser terminated before these accumulated metrics could be sent.  These
   1372 // logs typically include histograms and memory reports, as well as ongoing
   1373 // user activities.
   1374 const char kMetricsOngoingLogs[] =
   1375     "user_experience_metrics.ongoing_logs_as_protobufs";
   1376 
   1377 // Boolean that is true when bookmark prompt is enabled.
   1378 const char kBookmarkPromptEnabled[] = "bookmark_prompt_enabled";
   1379 
   1380 // Number of times bookmark prompt displayed.
   1381 const char kBookmarkPromptImpressionCount[] =
   1382     "bookmark_prompt_impression_count";
   1383 
   1384 // 64-bit integer serialization of the base::Time from the last successful seed
   1385 // fetch (i.e. when the Variations server responds with 200 or 304).
   1386 const char kVariationsLastFetchTime[] = "variations_last_fetch_time";
   1387 
   1388 // String for the restrict parameter to be appended to the variations URL.
   1389 const char kVariationsRestrictParameter[] = "variations_restrict_parameter";
   1390 
   1391 // String serialized form of variations seed protobuf.
   1392 const char kVariationsSeed[] = "variations_seed";
   1393 
   1394 // 64-bit integer serialization of the base::Time from the last seed received.
   1395 const char kVariationsSeedDate[] = "variations_seed_date";
   1396 
   1397 // SHA-1 hash of the serialized variations seed data (hex encoded).
   1398 const char kVariationsSeedHash[] = "variations_seed_hash";
   1399 
   1400 // An enum value to indicate the execution phase the browser was in.
   1401 const char kStabilityExecutionPhase[] =
   1402     "user_experience_metrics.stability.execution_phase";
   1403 
   1404 // True if the previous run of the program exited cleanly.
   1405 const char kStabilityExitedCleanly[] =
   1406     "user_experience_metrics.stability.exited_cleanly";
   1407 
   1408 // Version string of previous run, which is used to assure that stability
   1409 // metrics reported under current version reflect stability of the same version.
   1410 const char kStabilityStatsVersion[] =
   1411     "user_experience_metrics.stability.stats_version";
   1412 
   1413 // Build time, in seconds since an epoch, which is used to assure that stability
   1414 // metrics reported reflect stability of the same build.
   1415 const char kStabilityStatsBuildTime[] =
   1416     "user_experience_metrics.stability.stats_buildtime";
   1417 
   1418 // False if we received a session end and either we crashed during processing
   1419 // the session end or ran out of time and windows terminated us.
   1420 const char kStabilitySessionEndCompleted[] =
   1421     "user_experience_metrics.stability.session_end_completed";
   1422 
   1423 // Number of times the application was launched since last report.
   1424 const char kStabilityLaunchCount[] =
   1425     "user_experience_metrics.stability.launch_count";
   1426 
   1427 // Number of times the application exited uncleanly since the last report.
   1428 const char kStabilityCrashCount[] =
   1429     "user_experience_metrics.stability.crash_count";
   1430 
   1431 // Number of times the session end did not complete.
   1432 const char kStabilityIncompleteSessionEndCount[] =
   1433     "user_experience_metrics.stability.incomplete_session_end_count";
   1434 
   1435 // Number of times a page load event occurred since the last report.
   1436 const char kStabilityPageLoadCount[] =
   1437     "user_experience_metrics.stability.page_load_count";
   1438 
   1439 // Base64 encoded serialized UMA system profile proto from the previous session.
   1440 const char kStabilitySavedSystemProfile[] =
   1441     "user_experience_metrics.stability.saved_system_profile";
   1442 
   1443 // SHA-1 hash of the serialized UMA system profile proto (hex encoded).
   1444 const char kStabilitySavedSystemProfileHash[] =
   1445     "user_experience_metrics.stability.saved_system_profile_hash";
   1446 
   1447 // Number of times a renderer process crashed since the last report.
   1448 const char kStabilityRendererCrashCount[] =
   1449     "user_experience_metrics.stability.renderer_crash_count";
   1450 
   1451 // Number of times an extension renderer process crashed since the last report.
   1452 const char kStabilityExtensionRendererCrashCount[] =
   1453     "user_experience_metrics.stability.extension_renderer_crash_count";
   1454 
   1455 // Time when the app was last launched, in seconds since the epoch.
   1456 const char kStabilityLaunchTimeSec[] =
   1457     "user_experience_metrics.stability.launch_time_sec";
   1458 
   1459 // Time when the app was last known to be running, in seconds since
   1460 // the epoch.
   1461 const char kStabilityLastTimestampSec[] =
   1462     "user_experience_metrics.stability.last_timestamp_sec";
   1463 
   1464 // This is the location of a list of dictionaries of plugin stability stats.
   1465 const char kStabilityPluginStats[] =
   1466     "user_experience_metrics.stability.plugin_stats2";
   1467 
   1468 // Number of times the renderer has become non-responsive since the last
   1469 // report.
   1470 const char kStabilityRendererHangCount[] =
   1471     "user_experience_metrics.stability.renderer_hang_count";
   1472 
   1473 // Total number of child process crashes (other than renderer / extension
   1474 // renderer ones, and plugin children, which are counted separately) since the
   1475 // last report.
   1476 const char kStabilityChildProcessCrashCount[] =
   1477     "user_experience_metrics.stability.child_process_crash_count";
   1478 
   1479 // On Chrome OS, total number of non-Chrome user process crashes
   1480 // since the last report.
   1481 const char kStabilityOtherUserCrashCount[] =
   1482     "user_experience_metrics.stability.other_user_crash_count";
   1483 
   1484 // On Chrome OS, total number of kernel crashes since the last report.
   1485 const char kStabilityKernelCrashCount[] =
   1486     "user_experience_metrics.stability.kernel_crash_count";
   1487 
   1488 // On Chrome OS, total number of unclean system shutdowns since the
   1489 // last report.
   1490 const char kStabilitySystemUncleanShutdownCount[] =
   1491     "user_experience_metrics.stability.system_unclean_shutdowns";
   1492 
   1493 // Number of times the browser has been able to register crash reporting.
   1494 const char kStabilityBreakpadRegistrationSuccess[] =
   1495     "user_experience_metrics.stability.breakpad_registration_ok";
   1496 
   1497 // Number of times the browser has failed to register crash reporting.
   1498 const char kStabilityBreakpadRegistrationFail[] =
   1499     "user_experience_metrics.stability.breakpad_registration_fail";
   1500 
   1501 // Number of times the browser has been run under a debugger.
   1502 const char kStabilityDebuggerPresent[] =
   1503     "user_experience_metrics.stability.debugger_present";
   1504 
   1505 // Number of times the browser has not been run under a debugger.
   1506 const char kStabilityDebuggerNotPresent[] =
   1507     "user_experience_metrics.stability.debugger_not_present";
   1508 
   1509 // The keys below are used for the dictionaries in the
   1510 // kStabilityPluginStats list.
   1511 const char kStabilityPluginName[] = "name";
   1512 const char kStabilityPluginLaunches[] = "launches";
   1513 const char kStabilityPluginInstances[] = "instances";
   1514 const char kStabilityPluginCrashes[] = "crashes";
   1515 const char kStabilityPluginLoadingErrors[] = "loading_errors";
   1516 
   1517 // The keys below are strictly increasing counters over the lifetime of
   1518 // a chrome installation. They are (optionally) sent up to the uninstall
   1519 // survey in the event of uninstallation. The installation date is used by some
   1520 // opt-in services such as Wallet and UMA.
   1521 const char kInstallDate[] = "uninstall_metrics.installation_date2";
   1522 const char kUninstallMetricsPageLoadCount[] =
   1523     "uninstall_metrics.page_load_count";
   1524 const char kUninstallLaunchCount[] = "uninstall_metrics.launch_count";
   1525 const char kUninstallMetricsUptimeSec[] = "uninstall_metrics.uptime_sec";
   1526 const char kUninstallLastLaunchTimeSec[] =
   1527     "uninstall_metrics.last_launch_time_sec";
   1528 const char kUninstallLastObservedRunTimeSec[] =
   1529     "uninstall_metrics.last_observed_running_time_sec";
   1530 
   1531 // String containing the version of Chrome for which Chrome will not prompt the
   1532 // user about setting Chrome as the default browser.
   1533 const char kBrowserSuppressDefaultBrowserPrompt[] =
   1534     "browser.suppress_default_browser_prompt_for_version";
   1535 
   1536 // A collection of position, size, and other data relating to the browser
   1537 // window to restore on startup.
   1538 const char kBrowserWindowPlacement[] = "browser.window_placement";
   1539 
   1540 // A collection of position, size, and other data relating to the task
   1541 // manager window to restore on startup.
   1542 const char kTaskManagerWindowPlacement[] = "task_manager.window_placement";
   1543 
   1544 // A collection of position, size, and other data relating to the keyword
   1545 // editor window to restore on startup.
   1546 const char kKeywordEditorWindowPlacement[] = "keyword_editor.window_placement";
   1547 
   1548 // A collection of position, size, and other data relating to the preferences
   1549 // window to restore on startup.
   1550 const char kPreferencesWindowPlacement[] = "preferences.window_placement";
   1551 
   1552 // An integer specifying the total number of bytes to be used by the
   1553 // renderer's in-memory cache of objects.
   1554 const char kMemoryCacheSize[] = "renderer.memory_cache.size";
   1555 
   1556 // String which specifies where to download files to by default.
   1557 const char kDownloadDefaultDirectory[] = "download.default_directory";
   1558 
   1559 // Boolean that records if the download directory was changed by an
   1560 // upgrade a unsafe location to a safe location.
   1561 const char kDownloadDirUpgraded[] = "download.directory_upgrade";
   1562 
   1563 // String which specifies where to save html files to by default.
   1564 const char kSaveFileDefaultDirectory[] = "savefile.default_directory";
   1565 
   1566 // The type used to save the page. See the enum SavePackage::SavePackageType in
   1567 // the chrome/browser/download/save_package.h for the possible values.
   1568 const char kSaveFileType[] = "savefile.type";
   1569 
   1570 // String which specifies the last directory that was chosen for uploading
   1571 // or opening a file.
   1572 const char kSelectFileLastDirectory[] = "selectfile.last_directory";
   1573 
   1574 // Boolean that specifies if file selection dialogs are shown.
   1575 const char kAllowFileSelectionDialogs[] = "select_file_dialogs.allowed";
   1576 
   1577 // Map of default tasks, associated by MIME type.
   1578 const char kDefaultTasksByMimeType[] =
   1579     "filebrowser.tasks.default_by_mime_type";
   1580 
   1581 // Map of default tasks, associated by file suffix.
   1582 const char kDefaultTasksBySuffix[] =
   1583     "filebrowser.tasks.default_by_suffix";
   1584 
   1585 // Extensions which should be opened upon completion.
   1586 const char kDownloadExtensionsToOpen[] = "download.extensions_to_open";
   1587 
   1588 // Integer which specifies the frequency in milliseconds for detecting whether
   1589 // plugin windows are hung.
   1590 const char kHungPluginDetectFrequency[] = "browser.hung_plugin_detect_freq";
   1591 
   1592 // Integer which specifies the timeout value to be used for SendMessageTimeout
   1593 // to detect a hung plugin window.
   1594 const char kPluginMessageResponseTimeout[] =
   1595     "browser.plugin_message_response_timeout";
   1596 
   1597 // String which represents the dictionary name for our spell-checker.
   1598 const char kSpellCheckDictionary[] = "spellcheck.dictionary";
   1599 
   1600 // Boolean pref indicating whether the spelling confirm dialog has been shown.
   1601 const char kSpellCheckConfirmDialogShown[] = "spellcheck.confirm_dialog_shown";
   1602 
   1603 // String which represents whether we use the spelling service.
   1604 const char kSpellCheckUseSpellingService[] = "spellcheck.use_spelling_service";
   1605 
   1606 // Dictionary of schemes used by the external protocol handler.
   1607 // The value is true if the scheme must be ignored.
   1608 const char kExcludedSchemes[] = "protocol_handler.excluded_schemes";
   1609 
   1610 // Keys used for MAC handling of SafeBrowsing requests.
   1611 const char kSafeBrowsingClientKey[] = "safe_browsing.client_key";
   1612 const char kSafeBrowsingWrappedKey[] = "safe_browsing.wrapped_key";
   1613 
   1614 // Integer that specifies the index of the tab the user was on when they
   1615 // last visited the options window.
   1616 const char kOptionsWindowLastTabIndex[] = "options_window.last_tab_index";
   1617 
   1618 // Integer that specifies the index of the tab the user was on when they
   1619 // last visited the content settings window.
   1620 const char kContentSettingsWindowLastTabIndex[] =
   1621     "content_settings_window.last_tab_index";
   1622 
   1623 // Integer that specifies the index of the tab the user was on when they
   1624 // last visited the Certificate Manager window.
   1625 const char kCertificateManagerWindowLastTabIndex[] =
   1626     "certificate_manager_window.last_tab_index";
   1627 
   1628 // Integer that specifies if the first run bubble should be shown.
   1629 // This preference is only registered by the first-run procedure.
   1630 const char kShowFirstRunBubbleOption[] = "show-first-run-bubble-option";
   1631 
   1632 // String containing the last known Google URL.  We re-detect this on startup in
   1633 // most cases, and use it to send traffic to the correct Google host or with the
   1634 // correct Google domain/country code for whatever location the user is in.
   1635 const char kLastKnownGoogleURL[] = "browser.last_known_google_url";
   1636 
   1637 // String containing the last prompted Google URL to the user.
   1638 // If the user is using .x TLD for Google URL and gets prompted about .y TLD
   1639 // for Google URL, and says "no", we should leave the search engine set to .x
   1640 // but not prompt again until the domain changes away from .y.
   1641 const char kLastPromptedGoogleURL[] = "browser.last_prompted_google_url";
   1642 
   1643 // String containing the last known intranet redirect URL, if any.  See
   1644 // intranet_redirect_detector.h for more information.
   1645 const char kLastKnownIntranetRedirectOrigin[] = "browser.last_redirect_origin";
   1646 
   1647 // Integer containing the system Country ID the first time we checked the
   1648 // template URL prepopulate data.  This is used to avoid adding a whole bunch of
   1649 // new search engine choices if prepopulation runs when the user's Country ID
   1650 // differs from their previous Country ID.  This pref does not exist until
   1651 // prepopulation has been run at least once.
   1652 const char kCountryIDAtInstall[] = "countryid_at_install";
   1653 // OBSOLETE. Same as above, but uses the Windows-specific GeoID value instead.
   1654 // Updated if found to the above key.
   1655 const char kGeoIDAtInstall[] = "geoid_at_install";
   1656 
   1657 // An enum value of how the browser was shut down (see browser_shutdown.h).
   1658 const char kShutdownType[] = "shutdown.type";
   1659 // Number of processes that were open when the user shut down.
   1660 const char kShutdownNumProcesses[] = "shutdown.num_processes";
   1661 // Number of processes that were shut down using the slow path.
   1662 const char kShutdownNumProcessesSlow[] = "shutdown.num_processes_slow";
   1663 
   1664 // Whether to restart the current Chrome session automatically as the last thing
   1665 // before shutting everything down.
   1666 const char kRestartLastSessionOnShutdown[] = "restart.last.session.on.shutdown";
   1667 
   1668 // Set before autorestarting Chrome, cleared on clean exit.
   1669 const char kWasRestarted[] = "was.restarted";
   1670 
   1671 #if defined(OS_WIN)
   1672 // Preference to be used while relaunching Chrome. This preference dictates if
   1673 // Chrome should be launched in Metro or Desktop mode.
   1674 // For more info take a look at ChromeRelaunchMode enum.
   1675 const char kRelaunchMode[] = "relaunch.mode";
   1676 #endif
   1677 
   1678 // Placeholder preference for disabling voice / video chat if it is ever added.
   1679 // Currently, this does not change any behavior.
   1680 const char kDisableVideoAndChat[] = "disable_video_chat";
   1681 
   1682 // Whether Extensions are enabled.
   1683 const char kDisableExtensions[] = "extensions.disabled";
   1684 
   1685 // Whether the plugin finder that lets you install missing plug-ins is enabled.
   1686 const char kDisablePluginFinder[] = "plugins.disable_plugin_finder";
   1687 
   1688 // Integer boolean representing the width (in pixels) of the container for
   1689 // browser actions.
   1690 const char kBrowserActionContainerWidth[] =
   1691     "extensions.browseractions.container.width";
   1692 
   1693 // Time of the last, and next scheduled, extensions auto-update checks.
   1694 const char kLastExtensionsUpdateCheck[] = "extensions.autoupdate.last_check";
   1695 const char kNextExtensionsUpdateCheck[] = "extensions.autoupdate.next_check";
   1696 
   1697 // Whether we have run the extension-alert system (see ExtensionGlobalError)
   1698 // at least once for this profile.
   1699 const char kExtensionAlertsInitializedPref[] = "extensions.alerts.initialized";
   1700 
   1701 // The sites that are allowed to install extensions. These sites should be
   1702 // allowed to install extensions without the scary dangerous downloads bar.
   1703 // Also, when off-store-extension installs are disabled, these sites are exempt.
   1704 const char kExtensionAllowedInstallSites[] = "extensions.allowed_install_sites";
   1705 
   1706 // A list of allowed extension types. Extensions can only be installed if their
   1707 // type is on this whitelist or alternatively on kExtensionInstallAllowList or
   1708 // kExtensionInstallForceList.
   1709 const char kExtensionAllowedTypes[] = "extensions.allowed_types";
   1710 
   1711 // Version number of last blacklist check.
   1712 const char kExtensionBlacklistUpdateVersion[] =
   1713     "extensions.blacklistupdate.version";
   1714 
   1715 // A whitelist of extension ids the user can install: exceptions from the
   1716 // following blacklist.
   1717 const char kExtensionInstallAllowList[] = "extensions.install.allowlist";
   1718 
   1719 // A blacklist, containing extensions the user cannot install. This list can
   1720 // contain "*" meaning all extensions. This list should not be confused with the
   1721 // extension blacklist, which is Google controlled.
   1722 const char kExtensionInstallDenyList[] = "extensions.install.denylist";
   1723 
   1724 // A list containing extensions that Chrome will silently install
   1725 // at startup time. It is a list of strings, each string contains
   1726 // an extension ID and an update URL, delimited by a semicolon.
   1727 // This preference is set by an admin policy, and meant to be only
   1728 // accessed through extensions::ExternalPolicyProvider.
   1729 const char kExtensionInstallForceList[] = "extensions.install.forcelist";
   1730 
   1731 // Indicates on-disk data might have skeletal data that needs to be cleaned
   1732 // on the next start of the browser.
   1733 const char kExtensionStorageGarbageCollect[] =
   1734     "extensions.storage.garbagecollect";
   1735 
   1736 // Customized app page names that appear on the New Tab Page.
   1737 const char kNtpAppPageNames[] = "ntp.app_page_names";
   1738 
   1739 // Keeps track of which sessions are collapsed in the Other Devices menu.
   1740 const char kNtpCollapsedForeignSessions[] = "ntp.collapsed_foreign_sessions";
   1741 
   1742 // Keeps track of recently closed tabs collapsed state in the Other Devices
   1743 // menu.
   1744 const char kNtpCollapsedRecentlyClosedTabs[] =
   1745     "ntp.collapsed_recently_closed_tabs";
   1746 
   1747 // Keeps track of snapshot documents collapsed state in the Other Devices menu.
   1748 const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
   1749 
   1750 // Keeps track of sync promo collapsed state in the Other Devices menu.
   1751 const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
   1752 
   1753 // Serves dates to determine display of elements on the NTP.
   1754 const char kNtpDateResourceServer[] = "ntp.date_resource_server";
   1755 
   1756 // New Tab Page URLs that should not be shown as most visited thumbnails.
   1757 const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
   1758 
   1759 // True if a desktop sync session was found for this user.
   1760 const char kNtpPromoDesktopSessionFound[] = "ntp.promo_desktop_session_found";
   1761 
   1762 // Last time of update of promo_resource_cache.
   1763 const char kNtpPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
   1764 
   1765 // Which bookmarks folder should be visible on the new tab page v4.
   1766 const char kNtpShownBookmarksFolder[] = "ntp.shown_bookmarks_folder";
   1767 
   1768 // Which page should be visible on the new tab page v4
   1769 const char kNtpShownPage[] = "ntp.shown_page";
   1770 
   1771 // Serves tips for the NTP.
   1772 const char kNtpTipsResourceServer[] = "ntp.tips_resource_server";
   1773 
   1774 // Boolean indicating whether the web store is active for the current locale.
   1775 const char kNtpWebStoreEnabled[] = "ntp.webstore_enabled";
   1776 
   1777 // A private RSA key for ADB handshake.
   1778 const char kDevToolsAdbKey[] = "devtools.adb_key";
   1779 
   1780 const char kDevToolsDisabled[] = "devtools.disabled";
   1781 
   1782 // Determines whether devtools should be discovering usb devices for
   1783 // remote debugging at chrome://inspect.
   1784 const char kDevToolsDiscoverUsbDevicesEnabled[] =
   1785     "devtools.discover_usb_devices";
   1786 
   1787 // A string specifying the dock location (either 'bottom' or 'right').
   1788 const char kDevToolsDockSide[] = "devtools.dock_side";
   1789 
   1790 // Maps of files edited locally using DevTools.
   1791 const char kDevToolsEditedFiles[] = "devtools.edited_files";
   1792 
   1793 // List of file system paths added in DevTools.
   1794 const char kDevToolsFileSystemPaths[] = "devtools.file_system_paths";
   1795 
   1796 // Integer location of the horizontal split bar in the browser view.
   1797 const char kDevToolsHSplitLocation[] = "devtools.split_location";
   1798 
   1799 // A boolean specifying whether dev tools window should be opened docked.
   1800 const char kDevToolsOpenDocked[] = "devtools.open_docked";
   1801 
   1802 // A boolean specifying whether port forwarding should be enabled.
   1803 const char kDevToolsPortForwardingEnabled[] =
   1804     "devtools.port_forwarding_enabled";
   1805 
   1806 // A boolean specifying whether default port forwarding configuration has been
   1807 // set.
   1808 const char kDevToolsPortForwardingDefaultSet[] =
   1809     "devtools.port_forwarding_default_set";
   1810 
   1811 // A dictionary of port->location pairs for port forwarding.
   1812 const char kDevToolsPortForwardingConfig[] = "devtools.port_forwarding_config";
   1813 
   1814 #if defined(OS_ANDROID)
   1815 // A boolean specifying whether remote dev tools debugging is enabled.
   1816 const char kDevToolsRemoteEnabled[] = "devtools.remote_enabled";
   1817 #endif
   1818 
   1819 // Integer location of the vertical split bar in the browser view.
   1820 const char kDevToolsVSplitLocation[] = "devtools.v_split_location";
   1821 
   1822 #if defined(OS_ANDROID) || defined(OS_IOS)
   1823 // A boolean specifying whether a SPDY proxy is enabled.
   1824 const char kSpdyProxyAuthEnabled[] = "spdy_proxy.enabled";
   1825 const char kSpdyProxyAuthWasEnabledBefore[] = "spdy_proxy.was_enabled_before";
   1826 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
   1827 
   1828 // Boolean which stores if the user is allowed to signin to chrome.
   1829 const char kSigninAllowed[] = "signin.allowed";
   1830 
   1831 // 64-bit integer serialization of the base::Time when the last sync occurred.
   1832 const char kSyncLastSyncedTime[] = "sync.last_synced_time";
   1833 
   1834 // Boolean specifying whether the user finished setting up sync.
   1835 const char kSyncHasSetupCompleted[] = "sync.has_setup_completed";
   1836 
   1837 // Boolean specifying whether sync has an auth error.
   1838 const char kSyncHasAuthError[] = "sync.has_auth_error";
   1839 
   1840 // Boolean specifying whether to automatically sync all data types (including
   1841 // future ones, as they're added).  If this is true, the following preferences
   1842 // (kSyncBookmarks, kSyncPasswords, etc.) can all be ignored.
   1843 const char kSyncKeepEverythingSynced[] = "sync.keep_everything_synced";
   1844 
   1845 // Booleans specifying whether the user has selected to sync the following
   1846 // datatypes.
   1847 const char kSyncAppList[] = "sync.app_list";
   1848 const char kSyncAppNotifications[] = "sync.app_notifications";
   1849 const char kSyncAppSettings[] = "sync.app_settings";
   1850 const char kSyncApps[] = "sync.apps";
   1851 const char kSyncAutofillProfile[] = "sync.autofill_profile";
   1852 const char kSyncAutofill[] = "sync.autofill";
   1853 const char kSyncBookmarks[] = "sync.bookmarks";
   1854 const char kSyncDictionary[] = "sync.dictionary";
   1855 const char kSyncExtensionSettings[] = "sync.extension_settings";
   1856 const char kSyncExtensions[] = "sync.extensions";
   1857 const char kSyncFaviconImages[] = "sync.favicon_images";
   1858 const char kSyncFaviconTracking[] = "sync.favicon_tracking";
   1859 const char kSyncHistoryDeleteDirectives[] = "sync.history_delete_directives";
   1860 const char kSyncManagedUserSettings[] = "sync.managed_user_settings";
   1861 const char kSyncManagedUsers[] = "sync.managed_users";
   1862 const char kSyncArticles[] = "sync.articles";
   1863 const char kSyncPasswords[] = "sync.passwords";
   1864 const char kSyncPreferences[] = "sync.preferences";
   1865 const char kSyncPriorityPreferences[] = "sync.priority_preferences";
   1866 const char kSyncSearchEngines[] = "sync.search_engines";
   1867 const char kSyncSessions[] = "sync.sessions";
   1868 const char kSyncSyncedNotifications[] = "sync.synced_notifications";
   1869 const char kSyncTabs[] = "sync.tabs";
   1870 const char kSyncThemes[] = "sync.themes";
   1871 const char kSyncTypedUrls[] = "sync.typed_urls";
   1872 
   1873 // Boolean used by enterprise configuration management in order to lock down
   1874 // sync.
   1875 const char kSyncManaged[] = "sync.managed";
   1876 
   1877 // Boolean to prevent sync from automatically starting up.  This is
   1878 // used when sync is disabled by the user via the privacy dashboard.
   1879 const char kSyncSuppressStart[] = "sync.suppress_start";
   1880 
   1881 // List of the currently acknowledged set of sync types, used to figure out
   1882 // if a new sync type has rolled out so we can notify the user.
   1883 const char kSyncAcknowledgedSyncTypes[] = "sync.acknowledged_types";
   1884 
   1885 // The GUID session sync will use to identify this client, even across sync
   1886 // disable/enable events.
   1887 const char kSyncSessionsGUID[] = "sync.session_sync_guid";
   1888 
   1889 // An ID to uniquely identify this client to the invalidator service.
   1890 const char kInvalidatorClientId[] = "invalidator.client_id";
   1891 
   1892 // Opaque state from the invalidation subsystem that is persisted via prefs.
   1893 // The value is base 64 encoded.
   1894 const char kInvalidatorInvalidationState[] = "invalidator.invalidation_state";
   1895 
   1896 // List of received invalidations that have not been acted on by any clients
   1897 // yet.  Used to keep invalidation clients in sync in case of a restart.
   1898 const char kInvalidatorSavedInvalidations[] = "invalidator.saved_invalidations";
   1899 
   1900 // A string that can be used to restore sync encryption infrastructure on
   1901 // startup so that the user doesn't need to provide credentials on each start.
   1902 const char kSyncEncryptionBootstrapToken[] =
   1903     "sync.encryption_bootstrap_token";
   1904 
   1905 // Same as kSyncEncryptionBootstrapToken, but derived from the keystore key,
   1906 // so we don't have to do a GetKey command at restart.
   1907 const char kSyncKeystoreEncryptionBootstrapToken[] =
   1908     "sync.keystore_encryption_bootstrap_token";
   1909 
   1910 // Boolean tracking whether the user chose to specify a secondary encryption
   1911 // passphrase.
   1912 const char kSyncUsingSecondaryPassphrase[] = "sync.using_secondary_passphrase";
   1913 
   1914 // String the identifies the last user that logged into sync and other
   1915 // google services. As opposed to kGoogleServicesUsername, this value is not
   1916 // cleared on signout, but while the user is signed in the two values will
   1917 // be the same.
   1918 const char kGoogleServicesLastUsername[] = "google.services.last_username";
   1919 
   1920 // Obfuscated account ID that identifies the current user logged into sync and
   1921 // other google services.
   1922 const char kGoogleServicesUserAccountId[] = "google.services.user_account_id";
   1923 
   1924 // String that identifies the current user logged into sync and other google
   1925 // services.
   1926 const char kGoogleServicesUsername[] = "google.services.username";
   1927 
   1928 // Local state pref containing a string regex that restricts which accounts
   1929 // can be used to log in to chrome (e.g. "*@google.com"). If missing or blank,
   1930 // all accounts are allowed (no restrictions).
   1931 const char kGoogleServicesUsernamePattern[] =
   1932     "google.services.username_pattern";
   1933 
   1934 // Local hash of authentication password, used for off-line authentication
   1935 // when on-line authentication is not available.
   1936 const char kGoogleServicesPasswordHash[] = "google.services.password_hash";
   1937 
   1938 #if !defined(OS_ANDROID)
   1939 // Tracks the number of times that we have shown the sign in promo at startup.
   1940 const char kSignInPromoStartupCount[] = "sync_promo.startup_count";
   1941 
   1942 // Boolean tracking whether the user chose to skip the sign in promo.
   1943 const char kSignInPromoUserSkipped[] = "sync_promo.user_skipped";
   1944 
   1945 // Boolean that specifies if the sign in promo is allowed to show on first run.
   1946 // This preference is specified in the master preference file to suppress the
   1947 // sign in promo for some installations.
   1948 const char kSignInPromoShowOnFirstRunAllowed[] =
   1949     "sync_promo.show_on_first_run_allowed";
   1950 
   1951 // Boolean that specifies if we should show a bubble in the new tab page.
   1952 // The bubble is used to confirm that the user is signed into sync.
   1953 const char kSignInPromoShowNTPBubble[] = "sync_promo.show_ntp_bubble";
   1954 #endif
   1955 
   1956 // Time when the user's GAIA info was last updated (represented as an int64).
   1957 const char kProfileGAIAInfoUpdateTime[] = "profile.gaia_info_update_time";
   1958 
   1959 // The URL from which the GAIA profile picture was downloaded. This is cached to
   1960 // prevent the same picture from being downloaded multiple times.
   1961 const char kProfileGAIAInfoPictureURL[] = "profile.gaia_info_picture_url";
   1962 
   1963 // Create web application shortcut dialog preferences.
   1964 const char kWebAppCreateOnDesktop[] = "browser.web_app.create_on_desktop";
   1965 const char kWebAppCreateInAppsMenu[] = "browser.web_app.create_in_apps_menu";
   1966 const char kWebAppCreateInQuickLaunchBar[] =
   1967     "browser.web_app.create_in_quick_launch_bar";
   1968 
   1969 // Dictionary that maps Geolocation network provider server URLs to
   1970 // corresponding access token.
   1971 const char kGeolocationAccessToken[] = "geolocation.access_token";
   1972 
   1973 // Boolean that indicates whether to allow firewall traversal while trying to
   1974 // establish the initial connection from the client or host.
   1975 const char kRemoteAccessHostFirewallTraversal[] =
   1976     "remote_access.host_firewall_traversal";
   1977 
   1978 // Boolean controlling whether 2-factor auth should be required when connecting
   1979 // to a host (instead of a PIN).
   1980 const char kRemoteAccessHostRequireTwoFactor[] =
   1981     "remote_access.host_require_two_factor";
   1982 
   1983 // String containing the domain name that hosts must belong to. If blank, then
   1984 // hosts can belong to any domain.
   1985 const char kRemoteAccessHostDomain[] = "remote_access.host_domain";
   1986 
   1987 // String containing the domain name of the Chromoting Directory.
   1988 // Used by Chromoting host and client.
   1989 const char kRemoteAccessHostTalkGadgetPrefix[] =
   1990     "remote_access.host_talkgadget_prefix";
   1991 
   1992 // Boolean controlling whether curtaining is required when connecting to a host.
   1993 const char kRemoteAccessHostRequireCurtain[] =
   1994     "remote_access.host_require_curtain";
   1995 
   1996 // Boolean controlling whether curtaining is required when connecting to a host.
   1997 const char kRemoteAccessHostAllowClientPairing[] =
   1998     "remote_access.host_allow_client_pairing";
   1999 
   2000 // The last used printer and its settings.
   2001 const char kPrintPreviewStickySettings[] =
   2002     "printing.print_preview_sticky_settings";
   2003 // The root URL of the cloud print service.
   2004 const char kCloudPrintServiceURL[] = "cloud_print.service_url";
   2005 
   2006 // The URL to use to sign in to cloud print.
   2007 const char kCloudPrintSigninURL[] = "cloud_print.signin_url";
   2008 
   2009 // The last requested size of the dialog as it was closed.
   2010 const char kCloudPrintDialogWidth[] = "cloud_print.dialog_size.width";
   2011 const char kCloudPrintDialogHeight[] = "cloud_print.dialog_size.height";
   2012 const char kCloudPrintSigninDialogWidth[] =
   2013     "cloud_print.signin_dialog_size.width";
   2014 const char kCloudPrintSigninDialogHeight[] =
   2015     "cloud_print.signin_dialog_size.height";
   2016 
   2017 // The list of BackgroundContents that should be loaded when the browser
   2018 // launches.
   2019 const char kRegisteredBackgroundContents[] = "background_contents.registered";
   2020 
   2021 #if !defined(OS_ANDROID)
   2022 // An int that stores how often we've shown the "Chrome is configured to
   2023 // auto-launch" infobar.
   2024 const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
   2025 #endif
   2026 
   2027 // String that lists supported HTTP authentication schemes.
   2028 const char kAuthSchemes[] = "auth.schemes";
   2029 
   2030 // Boolean that specifies whether to disable CNAME lookups when generating
   2031 // Kerberos SPN.
   2032 const char kDisableAuthNegotiateCnameLookup[] =
   2033     "auth.disable_negotiate_cname_lookup";
   2034 
   2035 // Boolean that specifies whether to include the port in a generated Kerberos
   2036 // SPN.
   2037 const char kEnableAuthNegotiatePort[] = "auth.enable_negotiate_port";
   2038 
   2039 // Whitelist containing servers for which Integrated Authentication is enabled.
   2040 const char kAuthServerWhitelist[] = "auth.server_whitelist";
   2041 
   2042 // Whitelist containing servers Chrome is allowed to do Kerberos delegation
   2043 // with.
   2044 const char kAuthNegotiateDelegateWhitelist[] =
   2045     "auth.negotiate_delegate_whitelist";
   2046 
   2047 // String that specifies the name of a custom GSSAPI library to load.
   2048 const char kGSSAPILibraryName[] = "auth.gssapi_library_name";
   2049 
   2050 // String that specifies the origin allowed to use SpdyProxy
   2051 // authentication, if any.
   2052 const char kSpdyProxyAuthOrigin[] = "auth.spdyproxy.origin";
   2053 
   2054 // Boolean that specifies whether to allow basic auth prompting on cross-
   2055 // domain sub-content requests.
   2056 const char kAllowCrossOriginAuthPrompt[] = "auth.allow_cross_origin_prompt";
   2057 
   2058 // Boolean that specifies whether the built-in asynchronous DNS client is used.
   2059 const char kBuiltInDnsClientEnabled[] = "async_dns.enabled";
   2060 
   2061 // An int64 pref that contains the total size of all HTTP content that has been
   2062 // received from the network.
   2063 const char kHttpReceivedContentLength[] = "http_received_content_length";
   2064 
   2065 // An int64 pref that contains the total original size of all HTTP content that
   2066 // was received over the network.
   2067 const char kHttpOriginalContentLength[] = "http_original_content_length";
   2068 
   2069 #if defined(OS_ANDROID) || defined(OS_IOS)
   2070 // A List pref that contains daily totals of the original size of all HTTP/HTTPS
   2071 // that was received from the network.
   2072 const char kDailyHttpOriginalContentLength[] =
   2073     "data_reduction.daily_original_length";
   2074 
   2075 // A List pref that contains daily totals of the size of all HTTP/HTTPS content
   2076 // that was received from the network.
   2077 const char kDailyHttpReceivedContentLength[] =
   2078     "data_reduction.daily_received_length";
   2079 
   2080 // A List pref that contains daily totals of the original size of all HTTP/HTTPS
   2081 // that was received while the data reduction proxy is enabled.
   2082 const char kDailyOriginalContentLengthWithDataReductionProxyEnabled[] =
   2083     "data_reduction.daily_original_length_with_data_reduction_proxy_enabled";
   2084 
   2085 // A List pref that contains daily totals of the size of all HTTP/HTTPS
   2086 // that was received while the data reduction proxy is enabled.
   2087 const char kDailyContentLengthWithDataReductionProxyEnabled[] =
   2088     "data_reduction.daily_received_length_with_data_reduction_proxy_enabled";
   2089 
   2090 const char kDailyContentLengthHttpsWithDataReductionProxyEnabled[] =
   2091     "data_reduction.daily_received_length_https_with_"
   2092     "data_reduction_proxy_enabled";
   2093 const char kDailyContentLengthShortBypassWithDataReductionProxyEnabled[] =
   2094     "data_reduction.daily_received_length_short_bypass_with_"
   2095     "data_reduction_proxy_enabled";
   2096 const char kDailyContentLengthLongBypassWithDataReductionProxyEnabled[] =
   2097     "data_reduction.daily_received_length_long_bypass_with_"
   2098     "data_reduction_proxy_enabled";
   2099 const char kDailyContentLengthUnknownWithDataReductionProxyEnabled[] =
   2100     "data_reduction.daily_received_length_unknown_with_"
   2101     "data_reduction_proxy_enabled";
   2102 
   2103 // A List pref that contains daily totals of the original size of all HTTP/HTTPS
   2104 // that was received via the data reduction proxy.
   2105 const char kDailyOriginalContentLengthViaDataReductionProxy[] =
   2106     "data_reduction.daily_original_length_via_data_reduction_proxy";
   2107 
   2108 // A List pref that contains daily totals of the size of all HTTP/HTTPS
   2109 // that was received via the data reduction proxy.
   2110 const char kDailyContentLengthViaDataReductionProxy[] =
   2111     "data_reduction.daily_received_length_via_data_reduction_proxy";
   2112 
   2113 // An int64 pref that contains an internal representation of midnight on the
   2114 // date of the last update to |kDailyHttp{Original,Received}ContentLength|.
   2115 const char kDailyHttpContentLengthLastUpdateDate[] =
   2116     "data_reduction.last_update_date";
   2117 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
   2118 
   2119 // A pref holding the value of the policy used to explicitly allow or deny
   2120 // access to audio capture devices.  When enabled or not set, the user is
   2121 // prompted for device access.  When disabled, access to audio capture devices
   2122 // is not allowed and no prompt will be shown.
   2123 // See also kAudioCaptureAllowedUrls.
   2124 const char kAudioCaptureAllowed[] = "hardware.audio_capture_enabled";
   2125 // Holds URL patterns that specify URLs that will be granted access to audio
   2126 // capture devices without prompt.  NOTE: This whitelist is currently only
   2127 // supported when running in kiosk mode.
   2128 // TODO(tommi): Update comment when this is supported for all modes.
   2129 const char kAudioCaptureAllowedUrls[] = "hardware.audio_capture_allowed_urls";
   2130 
   2131 // A pref holding the value of the policy used to explicitly allow or deny
   2132 // access to video capture devices.  When enabled or not set, the user is
   2133 // prompted for device access.  When disabled, access to video capture devices
   2134 // is not allowed and no prompt will be shown.
   2135 const char kVideoCaptureAllowed[] = "hardware.video_capture_enabled";
   2136 // Holds URL patterns that specify URLs that will be granted access to video
   2137 // capture devices without prompt.  NOTE: This whitelist is currently only
   2138 // supported when running in kiosk mode.
   2139 // TODO(tommi): Update comment when this is supported for all modes.
   2140 const char kVideoCaptureAllowedUrls[] = "hardware.video_capture_allowed_urls";
   2141 
   2142 // A boolean pref that controls the enabled-state of hotword search voice
   2143 // trigger.
   2144 const char kHotwordSearchEnabled[] = "hotword.search_enabled";
   2145 
   2146 // A boolean pref that controls the enabled-state of hotword search voice
   2147 // trigger when using incognito mode.
   2148 const char kHotwordSearchIncognitoEnabled[] =
   2149     "hotword.incognito_search_enabled";
   2150 
   2151 #if defined(OS_ANDROID)
   2152 // Boolean that controls the global enabled-state of protected media identifier.
   2153 const char kProtectedMediaIdentifierEnabled[] =
   2154     "protected_media_identifier.enabled";
   2155 #endif
   2156 
   2157 #if defined(OS_CHROMEOS)
   2158 // Dictionary for transient storage of settings that should go into device
   2159 // settings storage before owner has been assigned.
   2160 const char kDeviceSettingsCache[] = "signed_settings_cache";
   2161 
   2162 // The hardware keyboard layout of the device. This should look like
   2163 // "xkb:us::eng".
   2164 const char kHardwareKeyboardLayout[] = "intl.hardware_keyboard";
   2165 
   2166 // An integer pref which shows number of times carrier deal promo
   2167 // notification has been shown to user.
   2168 const char kCarrierDealPromoShown[] =
   2169     "settings.internet.mobile.carrier_deal_promo_shown";
   2170 
   2171 // A boolean pref of the auto-enrollment decision. Its value is only valid if
   2172 // it's not the default value; otherwise, no auto-enrollment decision has been
   2173 // made yet.
   2174 const char kShouldAutoEnroll[] = "ShouldAutoEnroll";
   2175 
   2176 // An integer pref with the maximum number of bits used by the client in a
   2177 // previous auto-enrollment request. If the client goes through an auto update
   2178 // during OOBE and reboots into a version of the OS with a larger maximum
   2179 // modulus, then it will retry auto-enrollment using the updated value.
   2180 const char kAutoEnrollmentPowerLimit[] = "AutoEnrollmentPowerLimit";
   2181 
   2182 // The local state pref that stores device activity times before reporting
   2183 // them to the policy server.
   2184 const char kDeviceActivityTimes[] = "device_status.activity_times";
   2185 
   2186 // A pref holding the last known location when device location reporting is
   2187 // enabled.
   2188 const char kDeviceLocation[] = "device_status.location";
   2189 
   2190 // A string that is used to store first-time sync startup after once sync is
   2191 // disabled. This will be refreshed every sign-in.
   2192 const char kSyncSpareBootstrapToken[] = "sync.spare_bootstrap_token";
   2193 
   2194 // A pref holding the value of the policy used to disable mounting of external
   2195 // storage for the user.
   2196 const char kExternalStorageDisabled[] = "hardware.external_storage_disabled";
   2197 
   2198 // A pref holding the value of the policy used to disable playing audio on
   2199 // ChromeOS devices. This pref overrides |kAudioMute| but does not overwrite
   2200 // it, therefore when the policy is lifted the original mute state is restored.
   2201 const char kAudioOutputAllowed[] = "hardware.audio_output_enabled";
   2202 
   2203 // A dictionary that maps usernames to wallpaper properties.
   2204 const char kUsersWallpaperInfo[] = "user_wallpaper_info";
   2205 
   2206 // Copy of owner swap mouse buttons option to use on login screen.
   2207 const char kOwnerPrimaryMouseButtonRight[] = "owner.mouse.primary_right";
   2208 
   2209 // Copy of owner tap-to-click option to use on login screen.
   2210 const char kOwnerTapToClickEnabled[] = "owner.touchpad.enable_tap_to_click";
   2211 
   2212 // The length of device uptime after which an automatic reboot is scheduled,
   2213 // expressed in seconds.
   2214 const char kUptimeLimit[] = "automatic_reboot.uptime_limit";
   2215 
   2216 // Whether an automatic reboot should be scheduled when an update has been
   2217 // applied and a reboot is required to complete the update process.
   2218 const char kRebootAfterUpdate[] = "automatic_reboot.reboot_after_update";
   2219 
   2220 // An any-api scoped refresh token for enterprise-enrolled devices.  Allows
   2221 // for connection to Google APIs when the user isn't logged in.  Currently used
   2222 // for for getting a cloudprint scoped token to allow printing in Guest mode,
   2223 // Public Accounts and kiosks.
   2224 const char kDeviceRobotAnyApiRefreshToken[] =
   2225     "device_robot_refresh_token.any-api";
   2226 
   2227 // Device requisition for enterprise enrollment.
   2228 const char kDeviceEnrollmentRequisition[] = "enrollment.device_requisition";
   2229 
   2230 // Whether to automatically start the enterprise enrollment step during OOBE.
   2231 const char kDeviceEnrollmentAutoStart[] = "enrollment.auto_start";
   2232 
   2233 // Whether the user may exit enrollment.
   2234 const char kDeviceEnrollmentCanExit[] = "enrollment.can_exit";
   2235 
   2236 // Dictionary of per-user Least Recently Used input method (used at login
   2237 // screen).
   2238 extern const char kUsersLRUInputMethod[] = "UsersLRUInputMethod";
   2239 
   2240 // A dictionary pref of the echo offer check flag. It sets offer info when
   2241 // an offer is checked.
   2242 extern const char kEchoCheckedOffers[] = "EchoCheckedOffers";
   2243 
   2244 // Key name of a dictionary in local state to store cached multiprofle user
   2245 // behavior policy value.
   2246 const char kCachedMultiProfileUserBehavior[] = "CachedMultiProfileUserBehavior";
   2247 
   2248 // A string pref with initial locale set in VPD or manifest.
   2249 const char kInitialLocale[] = "intl.initial_locale";
   2250 
   2251 // A boolean pref of the OOBE complete flag (first OOBE part before login).
   2252 const char kOobeComplete[] = "OobeComplete";
   2253 
   2254 // A boolean pref of the device registered flag (second part after first login).
   2255 const char kDeviceRegistered[] = "DeviceRegistered";
   2256 
   2257 // List of usernames that used certificates pushed by policy before.
   2258 // This is used to prevent these users from joining multiprofile sessions.
   2259 const char kUsedPolicyCertificates[] = "policy.used_policy_certificates";
   2260 
   2261 #endif
   2262 
   2263 // Whether there is a Flash version installed that supports clearing LSO data.
   2264 const char kClearPluginLSODataEnabled[] = "browser.clear_lso_data_enabled";
   2265 
   2266 // Whether we should show Pepper Flash-specific settings.
   2267 const char kPepperFlashSettingsEnabled[] =
   2268     "browser.pepper_flash_settings_enabled";
   2269 
   2270 // String which specifies where to store the disk cache.
   2271 const char kDiskCacheDir[] = "browser.disk_cache_dir";
   2272 // Pref name for the policy specifying the maximal cache size.
   2273 const char kDiskCacheSize[] = "browser.disk_cache_size";
   2274 // Pref name for the policy specifying the maximal media cache size.
   2275 const char kMediaCacheSize[] = "browser.media_cache_size";
   2276 
   2277 // Specifies the release channel that the device should be locked to.
   2278 // Possible values: "stable-channel", "beta-channel", "dev-channel", or an
   2279 // empty string, in which case the value will be ignored.
   2280 // TODO(dubroy): This preference may not be necessary once
   2281 // http://crosbug.com/17015 is implemented and the update engine can just
   2282 // fetch the correct value from the policy.
   2283 const char kChromeOsReleaseChannel[] = "cros.system.releaseChannel";
   2284 
   2285 const char kPerformanceTracingEnabled[] =
   2286     "feedback.performance_tracing_enabled";
   2287 
   2288 // Value of the enums in TabStrip::LayoutType as an int.
   2289 const char kTabStripLayoutType[] = "tab_strip_layout_type";
   2290 
   2291 // Indicates that factory reset was requested from options page.
   2292 const char kFactoryResetRequested[] = "FactoryResetRequested";
   2293 
   2294 // Boolean recording whether we have showed a balloon that calls out the message
   2295 // center for desktop notifications.
   2296 const char kMessageCenterShowedFirstRunBalloon[] =
   2297     "message_center.showed_first_run_balloon";
   2298 
   2299 // *************** SERVICE PREFS ***************
   2300 // These are attached to the service process.
   2301 
   2302 const char kCloudPrintRoot[] = "cloud_print";
   2303 const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
   2304 // The unique id for this instance of the cloud print proxy.
   2305 const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
   2306 // The GAIA auth token for Cloud Print
   2307 const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
   2308 // The GAIA auth token used by Cloud Print to authenticate with the XMPP server
   2309 // This should eventually go away because the above token should work for both.
   2310 const char kCloudPrintXMPPAuthToken[] = "cloud_print.xmpp_auth_token";
   2311 // The email address of the account used to authenticate with the Cloud Print
   2312 // server.
   2313 const char kCloudPrintEmail[] = "cloud_print.email";
   2314 // Settings specific to underlying print system.
   2315 const char kCloudPrintPrintSystemSettings[] =
   2316     "cloud_print.print_system_settings";
   2317 // A boolean indicating whether we should poll for print jobs when don't have
   2318 // an XMPP connection (false by default).
   2319 const char kCloudPrintEnableJobPoll[] = "cloud_print.enable_job_poll";
   2320 const char kCloudPrintRobotRefreshToken[] = "cloud_print.robot_refresh_token";
   2321 const char kCloudPrintRobotEmail[] = "cloud_print.robot_email";
   2322 // A boolean indicating whether we should connect to cloud print new printers.
   2323 const char kCloudPrintConnectNewPrinters[] =
   2324     "cloud_print.user_settings.connectNewPrinters";
   2325 // A boolean indicating whether we should ping XMPP connection.
   2326 const char kCloudPrintXmppPingEnabled[] = "cloud_print.xmpp_ping_enabled";
   2327 // An int value indicating the average timeout between xmpp pings.
   2328 const char kCloudPrintXmppPingTimeout[] = "cloud_print.xmpp_ping_timeout_sec";
   2329 // Dictionary with settings stored by connector setup page.
   2330 const char kCloudPrintUserSettings[] = "cloud_print.user_settings";
   2331 // List of printers settings.
   2332 extern const char kCloudPrintPrinters[] = "cloud_print.user_settings.printers";
   2333 // A boolean indicating whether submitting jobs to Google Cloud Print is
   2334 // blocked by policy.
   2335 const char kCloudPrintSubmitEnabled[] = "cloud_print.submit_enabled";
   2336 
   2337 // Preference to store proxy settings.
   2338 const char kProxy[] = "proxy";
   2339 const char kMaxConnectionsPerProxy[] = "net.max_connections_per_proxy";
   2340 
   2341 // Preferences that are exclusively used to store managed values for default
   2342 // content settings.
   2343 const char kManagedDefaultCookiesSetting[] =
   2344     "profile.managed_default_content_settings.cookies";
   2345 const char kManagedDefaultImagesSetting[] =
   2346     "profile.managed_default_content_settings.images";
   2347 const char kManagedDefaultJavaScriptSetting[] =
   2348     "profile.managed_default_content_settings.javascript";
   2349 const char kManagedDefaultPluginsSetting[] =
   2350     "profile.managed_default_content_settings.plugins";
   2351 const char kManagedDefaultPopupsSetting[] =
   2352     "profile.managed_default_content_settings.popups";
   2353 const char kManagedDefaultGeolocationSetting[] =
   2354     "profile.managed_default_content_settings.geolocation";
   2355 const char kManagedDefaultNotificationsSetting[] =
   2356     "profile.managed_default_content_settings.notifications";
   2357 const char kManagedDefaultMediaStreamSetting[] =
   2358     "profile.managed_default_content_settings.media_stream";
   2359 
   2360 // Preferences that are exclusively used to store managed
   2361 // content settings patterns.
   2362 const char kManagedCookiesAllowedForUrls[] =
   2363     "profile.managed_cookies_allowed_for_urls";
   2364 const char kManagedCookiesBlockedForUrls[] =
   2365     "profile.managed_cookies_blocked_for_urls";
   2366 const char kManagedCookiesSessionOnlyForUrls[] =
   2367     "profile.managed_cookies_sessiononly_for_urls";
   2368 const char kManagedImagesAllowedForUrls[] =
   2369     "profile.managed_images_allowed_for_urls";
   2370 const char kManagedImagesBlockedForUrls[] =
   2371     "profile.managed_images_blocked_for_urls";
   2372 const char kManagedJavaScriptAllowedForUrls[] =
   2373     "profile.managed_javascript_allowed_for_urls";
   2374 const char kManagedJavaScriptBlockedForUrls[] =
   2375     "profile.managed_javascript_blocked_for_urls";
   2376 const char kManagedPluginsAllowedForUrls[] =
   2377     "profile.managed_plugins_allowed_for_urls";
   2378 const char kManagedPluginsBlockedForUrls[] =
   2379     "profile.managed_plugins_blocked_for_urls";
   2380 const char kManagedPopupsAllowedForUrls[] =
   2381     "profile.managed_popups_allowed_for_urls";
   2382 const char kManagedPopupsBlockedForUrls[] =
   2383     "profile.managed_popups_blocked_for_urls";
   2384 const char kManagedNotificationsAllowedForUrls[] =
   2385     "profile.managed_notifications_allowed_for_urls";
   2386 const char kManagedNotificationsBlockedForUrls[] =
   2387     "profile.managed_notifications_blocked_for_urls";
   2388 const char kManagedAutoSelectCertificateForUrls[] =
   2389     "profile.managed_auto_select_certificate_for_urls";
   2390 
   2391 #if defined(OS_MACOSX)
   2392 // Set to true if the user removed our login item so we should not create a new
   2393 // one when uninstalling background apps.
   2394 const char kUserRemovedLoginItem[] = "background_mode.user_removed_login_item";
   2395 
   2396 // Set to true if Chrome already created a login item, so there's no need to
   2397 // create another one.
   2398 const char kChromeCreatedLoginItem[] =
   2399   "background_mode.chrome_created_login_item";
   2400 
   2401 // Set to true once we've initialized kChromeCreatedLoginItem for the first
   2402 // time.
   2403 const char kMigratedLoginItemPref[] =
   2404   "background_mode.migrated_login_item_pref";
   2405 #endif
   2406 
   2407 // Set to true if background mode is enabled on this browser.
   2408 const char kBackgroundModeEnabled[] = "background_mode.enabled";
   2409 
   2410 // Set to true if hardware acceleration mode is enabled on this browser.
   2411 const char kHardwareAccelerationModeEnabled[] =
   2412   "hardware_acceleration_mode.enabled";
   2413 
   2414 // Hardware acceleration mode from previous browser launch.
   2415 const char kHardwareAccelerationModePrevious[] =
   2416   "hardware_acceleration_mode_previous";
   2417 
   2418 // List of protocol handlers.
   2419 const char kRegisteredProtocolHandlers[] =
   2420   "custom_handlers.registered_protocol_handlers";
   2421 
   2422 // List of protocol handlers the user has requested not to be asked about again.
   2423 const char kIgnoredProtocolHandlers[] =
   2424   "custom_handlers.ignored_protocol_handlers";
   2425 
   2426 // Whether user-specified handlers for protocols and content types can be
   2427 // specified.
   2428 const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
   2429 
   2430 // Integer that specifies the policy refresh rate for device-policy in
   2431 // milliseconds. Not all values are meaningful, so it is clamped to a sane range
   2432 // by the cloud policy subsystem.
   2433 const char kDevicePolicyRefreshRate[] = "policy.device_refresh_rate";
   2434 
   2435 // String that represents the recovery component last downloaded version. This
   2436 // takes the usual 'a.b.c.d' notation.
   2437 const char kRecoveryComponentVersion[] = "recovery_component.version";
   2438 
   2439 // String that stores the component updater last known state. This is used for
   2440 // troubleshooting.
   2441 const char kComponentUpdaterState[] = "component_updater.state";
   2442 
   2443 // The next media gallery ID to assign.
   2444 const char kMediaGalleriesUniqueId[] = "media_galleries.gallery_id";
   2445 
   2446 // A list of dictionaries, where each dictionary represents a known media
   2447 // gallery.
   2448 const char kMediaGalleriesRememberedGalleries[] =
   2449     "media_galleries.remembered_galleries";
   2450 
   2451 #if defined(USE_ASH)
   2452 // |kShelfAlignment| and |kShelfAutoHideBehavior| have a local variant. The
   2453 // local variant is not synced and is used if set. If the local variant is not
   2454 // set its value is set from the synced value (once prefs have been
   2455 // synced). This gives a per-machine setting that is initialized from the last
   2456 // set value.
   2457 // These values are default on the machine but can be overridden by per-display
   2458 // values in kShelfPreferences (unless overridden by managed policy).
   2459 // String value corresponding to ash::Shell::ShelfAlignment.
   2460 const char kShelfAlignment[] = "shelf_alignment";
   2461 const char kShelfAlignmentLocal[] = "shelf_alignment_local";
   2462 // String value corresponding to ash::Shell::ShelfAutoHideBehavior.
   2463 const char kShelfAutoHideBehavior[] = "auto_hide_behavior";
   2464 const char kShelfAutoHideBehaviorLocal[] = "auto_hide_behavior_local";
   2465 // This value stores chrome icon's index in the launcher. This should be handled
   2466 // separately with app shortcut's index because of ShelfModel's backward
   2467 // compatability. If we add chrome icon index to |kPinnedLauncherApps|, its
   2468 // index is also stored in the |kPinnedLauncherApp| pref. It may causes
   2469 // creating two chrome icons.
   2470 const char kShelfChromeIconIndex[] = "shelf_chrome_icon_index";
   2471 
   2472 const char kPinnedLauncherApps[] = "pinned_launcher_apps";
   2473 // Boolean value indicating whether to show a logout button in the ash tray.
   2474 const char kShowLogoutButtonInTray[] = "show_logout_button_in_tray";
   2475 // Dictionary value that holds per-display preference of shelf alignment and
   2476 // auto-hide behavior. Key of the dictionary is the id of the display, and
   2477 // its value is a dictionary whose keys are kShelfAlignment and
   2478 // kShelfAutoHideBehavior.
   2479 const char kShelfPreferences[] = "shelf_preferences";
   2480 #endif
   2481 
   2482 #if defined(USE_AURA)
   2483 // Tuning settings for gestures.
   2484 const char kFlingVelocityCap[] = "gesture.fling_velocity_cap";
   2485 const char kLongPressTimeInSeconds[] =
   2486     "gesture.long_press_time_in_seconds";
   2487 const char kMaxDistanceBetweenTapsForDoubleTap[] =
   2488     "gesture.max_distance_between_taps_for_double_tap";
   2489 const char kMaxDistanceForTwoFingerTapInPixels[] =
   2490     "gesture.max_distance_for_two_finger_tap_in_pixels";
   2491 const char kMaxSecondsBetweenDoubleClick[] =
   2492     "gesture.max_seconds_between_double_click";
   2493 const char kMaxSeparationForGestureTouchesInPixels[] =
   2494     "gesture.max_separation_for_gesture_touches_in_pixels";
   2495 const char kMaxSwipeDeviationRatio[] =
   2496     "gesture.max_swipe_deviation_ratio";
   2497 const char kMaxTouchDownDurationInSecondsForClick[] =
   2498     "gesture.max_touch_down_duration_in_seconds_for_click";
   2499 const char kMaxTouchMoveInPixelsForClick[] =
   2500     "gesture.max_touch_move_in_pixels_for_click";
   2501 const char kMinDistanceForPinchScrollInPixels[] =
   2502     "gesture.min_distance_for_pinch_scroll_in_pixels";
   2503 const char kMinFlickSpeedSquared[] =
   2504     "gesture.min_flick_speed_squared";
   2505 const char kMinPinchUpdateDistanceInPixels[] =
   2506     "gesture.min_pinch_update_distance_in_pixels";
   2507 const char kMinRailBreakVelocity[] =
   2508     "gesture.min_rail_break_velocity";
   2509 const char kMinScrollDeltaSquared[] =
   2510     "gesture.min_scroll_delta_squared";
   2511 const char kMinScrollSuccessiveVelocityEvents[] =
   2512     "gesture.min_scroll_successive_velocity_events";
   2513 const char kMinSwipeSpeed[] =
   2514     "gesture.min_swipe_speed";
   2515 const char kMinTouchDownDurationInSecondsForClick[] =
   2516     "gesture.min_touch_down_duration_in_seconds_for_click";
   2517 const char kPointsBufferedForVelocity[] =
   2518     "gesture.points_buffered_for_velocity";
   2519 const char kRailBreakProportion[] =
   2520     "gesture.rail_break_proportion";
   2521 const char kRailStartProportion[] =
   2522     "gesture.rail_start_proportion";
   2523 const char kScrollPredictionSeconds[] =
   2524     "gesture.scroll_prediction_seconds";
   2525 const char kSemiLongPressTimeInSeconds[] =
   2526     "gesture.semi_long_press_time_in_seconds";
   2527 const char kShowPressDelayInMS[] =
   2528     "gesture.show_press_delay_in_ms";
   2529 const char kTabScrubActivationDelayInMS[] =
   2530     "gesture.tab_scrub_activation_delay_in_ms";
   2531 const char kFlingAccelerationCurveCoefficient0[] =
   2532     "gesture.fling_acceleration_curve_coefficient_0";
   2533 const char kFlingAccelerationCurveCoefficient1[] =
   2534     "gesture.fling_acceleration_curve_coefficient_1";
   2535 const char kFlingAccelerationCurveCoefficient2[] =
   2536     "gesture.fling_acceleration_curve_coefficient_2";
   2537 const char kFlingAccelerationCurveCoefficient3[] =
   2538     "gesture.fling_acceleration_curve_coefficient_3";
   2539 const char kFlingCurveTouchpadAlpha[] = "flingcurve.touchpad_alpha";
   2540 const char kFlingCurveTouchpadBeta[] = "flingcurve.touchpad_beta";
   2541 const char kFlingCurveTouchpadGamma[] = "flingcurve.touchpad_gamma";
   2542 const char kFlingCurveTouchscreenAlpha[] = "flingcurve.touchscreen_alpha";
   2543 const char kFlingCurveTouchscreenBeta[] = "flingcurve.touchscreen_beta";
   2544 const char kFlingCurveTouchscreenGamma[] = "flingcurve.touchscreen_gamma";
   2545 const char kFlingMaxCancelToDownTimeInMs[] =
   2546     "gesture.fling_max_cancel_to_down_time_in_ms";
   2547 const char kFlingMaxTapGapTimeInMs[] =
   2548     "gesture.fling_max_tap_gap_time_in_ms";
   2549 const char kOverscrollHorizontalThresholdComplete[] =
   2550     "overscroll.horizontal_threshold_complete";
   2551 const char kOverscrollVerticalThresholdComplete[] =
   2552     "overscroll.vertical_threshold_complete";
   2553 const char kOverscrollMinimumThresholdStart[] =
   2554     "overscroll.minimum_threshold_start";
   2555 const char kOverscrollMinimumThresholdStartTouchpad[] =
   2556     "overscroll.minimum_threshold_start_touchpad";
   2557 const char kOverscrollVerticalThresholdStart[] =
   2558     "overscroll.vertical_threshold_start";
   2559 const char kOverscrollHorizontalResistThreshold[] =
   2560     "overscroll.horizontal_resist_threshold";
   2561 const char kOverscrollVerticalResistThreshold[] =
   2562     "overscroll.vertical_resist_threshold";
   2563 // TODO(mohsen): Remove following pref in M33. By then, it will have been
   2564 // cleared from preferences file for majority of users and it will be ready to
   2565 // be removed: crbug.com/269292.
   2566 // A temporary pref to do a one-time wipe of gesture preferences.
   2567 const char kGestureConfigIsTrustworthy[] = "gesture.config_is_trustworthy";
   2568 #endif
   2569 
   2570 // Counts how many more times the 'profile on a network share' warning should be
   2571 // shown to the user before the next silence period.
   2572 const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
   2573 // Tracks the time of the last shown warning. Used to reset
   2574 // |network_profile.warnings_left| after a silence period.
   2575 const char kNetworkProfileLastWarningTime[] =
   2576     "network_profile.last_warning_time";
   2577 
   2578 #if defined(OS_CHROMEOS)
   2579 // The RLZ brand code, if enabled.
   2580 const char kRLZBrand[] = "rlz.brand";
   2581 // Whether RLZ pings are disabled.
   2582 const char kRLZDisabled[] = "rlz.disabled";
   2583 #endif
   2584 
   2585 #if defined(ENABLE_APP_LIST)
   2586 // The directory in user data dir that contains the profile to be used with the
   2587 // app launcher.
   2588 extern const char kAppListProfile[] = "app_list.profile";
   2589 
   2590 // Whether to show the app list on a browser relaunch. Used when switching out
   2591 // of metro mode after a user gesture requests showing the app list.
   2592 const char kRestartWithAppList[] = "app_list.show_on_relaunch";
   2593 
   2594 // The number of times the app launcher was launched since last ping and
   2595 // the time of the last ping.
   2596 extern const char kAppListLaunchCount[] = "app_list.launch_count";
   2597 extern const char kLastAppListLaunchPing[] = "app_list.last_launch_ping";
   2598 
   2599 // The number of times the an app was launched from the app launcher since last
   2600 // ping and the time of the last ping.
   2601 extern const char kAppListAppLaunchCount[] = "app_list.app_launch_count";
   2602 extern const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
   2603 
   2604 // A boolean that tracks whether the user has ever enabled the app launcher.
   2605 const char kAppLauncherHasBeenEnabled[] =
   2606     "apps.app_launcher.has_been_enabled";
   2607 
   2608 // TODO(calamity): remove this pref since app launcher will always be
   2609 // installed.
   2610 // Local state caching knowledge of whether the app launcher is installed.
   2611 const char kAppLauncherIsEnabled[] =
   2612     "apps.app_launcher.should_show_apps_page";
   2613 
   2614 // Integer representing the version of the app launcher shortcut installed on
   2615 // the system. Incremented, e.g., when embedded icons change.
   2616 const char kAppLauncherShortcutVersion[] = "apps.app_launcher.shortcut_version";
   2617 
   2618 // A boolean identifying if we should show the app launcher promo or not.
   2619 const char kShowAppLauncherPromo[] = "app_launcher.show_promo";
   2620 #endif
   2621 
   2622 // If set, the user requested to launch the app with this extension id while
   2623 // in Metro mode, and then relaunched to Desktop mode to start it.
   2624 const char kAppLaunchForMetroRestart[] = "apps.app_launch_for_metro_restart";
   2625 
   2626 // Set with |kAppLaunchForMetroRestart|, the profile whose loading triggers
   2627 // launch of the specified app when restarting Chrome in desktop mode.
   2628 const char kAppLaunchForMetroRestartProfile[] =
   2629     "apps.app_launch_for_metro_restart_profile";
   2630 
   2631 // A boolean that indicates whether app shortcuts have been created.
   2632 // On a transition from false to true, shortcuts are created for all apps.
   2633 const char kAppShortcutsHaveBeenCreated[] = "apps.shortcuts_have_been_created";
   2634 
   2635 // How often the bubble has been shown.
   2636 extern const char kModuleConflictBubbleShown[] = "module_conflict.bubble_shown";
   2637 
   2638 // A string pref for storing the salt used to compute the pepper device ID.
   2639 const char kDRMSalt[] = "settings.privacy.drm_salt";
   2640 // A boolean pref that enables the (private) pepper GetDeviceID() call and
   2641 // enables the use of remote attestation for content protection.
   2642 const char kEnableDRM[] = "settings.privacy.drm_enabled";
   2643 
   2644 // An integer per-profile pref that signals if the watchdog extension is
   2645 // installed and active. We need to know if the watchdog extension active for
   2646 // ActivityLog initialization before the extension system is initialized.
   2647 const char kWatchdogExtensionActive[] =
   2648     "profile.extensions.activity_log.num_consumers_active";
   2649 // The old version was a bool.
   2650 const char kWatchdogExtensionActiveOld[] =
   2651     "profile.extensions.activity_log.watchdog_extension_active";
   2652 
   2653 // A dictionary pref which maps profile names to dictionary values which hold
   2654 // hashes of profile prefs that we track to detect changes that happen outside
   2655 // of Chrome.
   2656 const char kProfilePreferenceHashes[] = "profile.preference_hashes";
   2657 
   2658 // Stores a pair of local time and corresponding network time to bootstrap
   2659 // network time tracker when browser starts.
   2660 const char kNetworkTimeMapping[] = "profile.network_time_mapping";
   2661 
   2662 #if defined(OS_ANDROID)
   2663 // A list of partner bookmark rename/remove mappings.
   2664 // Each list item is a dictionary containing a "url", a "provider_title" and
   2665 // "mapped_title" entries, detailing the bookmark target URL (if any), the title
   2666 // given by the PartnerBookmarksProvider and either the user-visible renamed
   2667 // title or an empty string if the bookmark node was removed.
   2668 const char kPartnerBookmarkMappings[] = "partnerbookmarks.mappings";
   2669 #endif
   2670 
   2671 #if defined(OS_WIN)
   2672 // Whether the password was blank, only valid if OS password was last changed
   2673 // on or before the value contained in kOsPasswordLastChanged.
   2674 const char kOsPasswordBlank[] = "password_manager.os_password_blank";
   2675 
   2676 // The number of seconds since epoch that the OS password was last changed.
   2677 const char kOsPasswordLastChanged[] =
   2678     "password_manager.os_password_last_changed";
   2679 #endif
   2680 }  // namespace prefs
   2681