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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/chrome_switches.h"
      6 
      7 #include "base/base_switches.h"
      8 #include "base/command_line.h"
      9 
     10 namespace switches {
     11 
     12 // -----------------------------------------------------------------------------
     13 // Can't find the switch you are looking for? Try looking in:
     14 // ash/ash_switches.cc
     15 // base/base_switches.cc
     16 // chromeos/chromeos_switches.cc
     17 // etc.
     18 //
     19 // When commenting your switch, please use the same voice as surrounding
     20 // comments. Imagine "This switch..." at the beginning of the phrase, and it'll
     21 // all work out.
     22 // -----------------------------------------------------------------------------
     23 
     24 // Allows third-party content included on a page to prompt for a HTTP basic
     25 // auth username/password pair.
     26 const char kAllowCrossOriginAuthPrompt[]    = "allow-cross-origin-auth-prompt";
     27 
     28 // On ChromeOS, file:// access is disabled except for certain whitelisted
     29 // directories. This switch re-enables file:// for testing.
     30 const char kAllowFileAccess[]               = "allow-file-access";
     31 
     32 // Allow non-secure origins to use the screen capture API and the desktopCapture
     33 // extension API.
     34 const char kAllowHttpScreenCapture[] = "allow-http-screen-capture";
     35 
     36 #if defined(ENABLE_PLUGINS)
     37 // Specifies comma-separated list of extension ids or hosts to grant
     38 // access to CRX file system APIs.
     39 const char kAllowNaClCrxFsAPI[]             = "allow-nacl-crxfs-api";
     40 
     41 // Specifies comma-separated list of extension ids or hosts to grant
     42 // access to file handle APIs.
     43 const char kAllowNaClFileHandleAPI[]        = "allow-nacl-file-handle-api";
     44 
     45 // Specifies comma-separated list of extension ids or hosts to grant
     46 // access to TCP/UDP socket APIs.
     47 const char kAllowNaClSocketAPI[]            = "allow-nacl-socket-api";
     48 #endif
     49 
     50 // Don't block outdated plugins.
     51 const char kAllowOutdatedPlugins[]          = "allow-outdated-plugins";
     52 
     53 // By default, an https page cannot run JavaScript, CSS or plug-ins from http
     54 // URLs. This provides an override to get the old insecure behavior.
     55 const char kAllowRunningInsecureContent[]   = "allow-running-insecure-content";
     56 
     57 // Specifies the threshold to be used when determining of an Alternate-Protocol
     58 // advertisement will be honored. If the advertised probability is larger
     59 // than the threshold, then it will be honored.
     60 const char kAlternateProtocolProbabilityThreshold[] =
     61     "alternate-protocol-probability-threshold";
     62 
     63 // Prevents Chrome from requiring authorization to run certain widely installed
     64 // but less commonly used plug-ins.
     65 const char kAlwaysAuthorizePlugins[]        = "always-authorize-plugins";
     66 
     67 // Specifies that the extension-app with the specified id should be launched
     68 // according to its configuration.
     69 const char kAppId[]                         = "app-id";
     70 
     71 // Specifies that the associated value should be launched in "application"
     72 // mode.
     73 const char kApp[]                           = "app";
     74 
     75 // Specifies an URL to use for app list start page.
     76 const char kAppListStartPageURL[]           = "app-list-start-page-url";
     77 
     78 // Overrides the apps checkout URL, which is used to determine when to expose
     79 // some private APIs.
     80 const char kAppsCheckoutURL[]               = "apps-checkout-url";
     81 
     82 // The URL that the webstore APIs download extensions from.
     83 // Note: the URL must contain one '%s' for the extension ID.
     84 const char kAppsGalleryDownloadURL[]        = "apps-gallery-download-url";
     85 
     86 // The URL to use for the gallery link in the app launcher.
     87 const char kAppsGalleryURL[]                = "apps-gallery-url";
     88 
     89 // The update url used by gallery/webstore extensions.
     90 const char kAppsGalleryUpdateURL[]          = "apps-gallery-update-url";
     91 
     92 // Value of GAIA auth code for --force-app-mode.
     93 const char kAppModeAuthCode[]               = "app-mode-auth-code";
     94 
     95 // Value of OAuth2 refresh token for --force-app-mode.
     96 const char kAppModeOAuth2Token[]            = "app-mode-oauth-token";
     97 
     98 // Enables overriding the path for the default authentication extension.
     99 const char kAuthExtensionPath[]             = "auth-ext-path";
    100 
    101 // Whitelist of servers that Negotiate will generate delegated Kerberos tickets
    102 // for.
    103 const char kAuthNegotiateDelegateWhitelist[] =
    104     "auth-negotiate-delegate-whitelist";
    105 
    106 // HTTP authentication schemes to enable. This is a comma-separated list of
    107 // authentication schemes (basic, digest, ntlm, and negotiate). By default all
    108 // schemes are enabled. The primary use of this command line flag is to help
    109 // triage authentication-related issues reported by end-users.
    110 const char kAuthSchemes[]                   = "auth-schemes";
    111 
    112 // Whitelist of servers which NTLM and Negotiate can automatically authenticate
    113 // with using the default credentials of the currently logged in user.
    114 const char kAuthServerWhitelist[]           = "auth-server-whitelist";
    115 
    116 // A flag that is used to tell Chrome that it was launched automatically at
    117 // computer startup and not by some user action.
    118 const char kAutoLaunchAtStartup[]           = "auto-launch-at-startup";
    119 
    120 // This flag makes Chrome auto-select the provided choice when an extension asks
    121 // permission to start desktop capture. Should only be used for tests. For
    122 // instance, --auto-select-desktop-capture-source="Entire screen" will
    123 // automatically select to share the entire screen in English locales.
    124 const char kAutoSelectDesktopCaptureSource[] =
    125     "auto-select-desktop-capture-source";
    126 
    127 // Certificate Transparency: Uses the provided log(s) for checking Signed
    128 // Certificate Timestamps provided with certificates.
    129 // The switch's value is:
    130 //   log_description:log_key,log_description:log_key,...
    131 // where
    132 //   log_description is a textual description of the log.
    133 //   log_key is a Base64'd DER-encoded SubjectPublicKeyInfo of the log's
    134 //   public key.
    135 // Multiple logs can be specified by repeating description:key pairs,
    136 // separated by a comma.
    137 const char kCertificateTransparencyLog[] =
    138     "certificate-transparency-log";
    139 
    140 // How often (in seconds) to check for updates. Should only be used for testing
    141 // purposes.
    142 const char kCheckForUpdateIntervalSec[]     = "check-for-update-interval";
    143 
    144 // Checks the cloud print connector policy, informing the service process if
    145 // the policy is set to disallow the connector, then quits.
    146 const char kCheckCloudPrintConnectorPolicy[] =
    147     "check-cloud-print-connector-policy";
    148 
    149 // Comma-separated list of SSL cipher suites to disable.
    150 const char kCipherSuiteBlacklist[]          = "cipher-suite-blacklist";
    151 
    152 // Tells chrome to display the cloud print dialog and upload the specified file
    153 // for printing.
    154 const char kCloudPrintFile[]                = "cloud-print-file";
    155 
    156 // Specifies the mime type to be used when uploading data from the file
    157 // referenced by cloud-print-file. Defaults to "application/pdf" if
    158 // unspecified.
    159 const char kCloudPrintFileType[]            = "cloud-print-file-type";
    160 
    161 // Used with kCloudPrintFile to specify a JSON print ticket for the resulting
    162 // print job. Defaults to null if unspecified.
    163 const char kCloudPrintPrintTicket[]         = "cloud-print-print-ticket";
    164 
    165 // Used with kCloudPrintFile to specify a title for the resulting print job.
    166 const char kCloudPrintJobTitle[]            = "cloud-print-job-title";
    167 
    168 // Setup cloud print proxy for provided printers. This does not start
    169 // service or register proxy for autostart.
    170 const char kCloudPrintSetupProxy[]          = "cloud-print-setup-proxy";
    171 
    172 // Comma-separated list of BrowserThreads that cause browser process to crash
    173 // if the given browser thread is not responsive. UI,IO,DB,FILE,CACHE are the
    174 // list of BrowserThreads that are supported.
    175 //
    176 // For example:
    177 //    --crash-on-hang-threads=UI:3:18,IO:3:18 --> Crash the browser if UI or IO
    178 //      is not responsive for 18 seconds and the number of browser threads that
    179 //      are responding is less than or equal to 3.
    180 const char kCrashOnHangThreads[]            = "crash-on-hang-threads";
    181 
    182 // Some platforms like ChromeOS default to empty desktop.
    183 // Browser tests may need to add this switch so that at least one browser
    184 // instance is created on startup.
    185 // TODO(nkostylev): Investigate if this switch could be removed.
    186 // (http://crbug.com/148675)
    187 const char kCreateBrowserOnStartupForTests[] =
    188     "create-browser-on-startup-for-tests";
    189 
    190 // Specifies the chrome-extension:// URL for the contents of an additional page
    191 // added to the experimental app launcher.
    192 const char kCustomLauncherPage[]            = "custom-launcher-page";
    193 
    194 // Enables a frame context menu item that toggles the frame in and out of glass
    195 // mode (Windows Vista and up only).
    196 const char kDebugEnableFrameToggle[]        = "debug-enable-frame-toggle";
    197 
    198 // Adds debugging entries such as Inspect Element to context menus of packed
    199 // apps.
    200 const char kDebugPackedApps[]               = "debug-packed-apps";
    201 
    202 // Triggers a plethora of diagnostic modes.
    203 const char kDiagnostics[]                   = "diagnostics";
    204 
    205 // Sets the output format for diagnostic modes enabled by diagnostics flag.
    206 const char kDiagnosticsFormat[]             = "diagnostics-format";
    207 
    208 // Tells the diagnostics mode to do the requested recovery step(s).
    209 const char kDiagnosticsRecovery[]           = "diagnostics-recovery";
    210 
    211 // When kEnableSettingsWindow is used, About is shown as an overlay in Settings
    212 // instead of as a separate page, unless this flag is specified.
    213 const char kDisableAboutInSettings[]        = "disable-about-in-settings";
    214 
    215 // Disables the experimental asynchronous DNS client.
    216 const char kDisableAsyncDns[]               = "disable-async-dns";
    217 
    218 // Disables CNAME lookup of the host when generating the Kerberos SPN for a
    219 // Negotiate challenge. See HttpAuthHandlerNegotiate::CreateSPN for more
    220 // background.
    221 const char kDisableAuthNegotiateCnameLookup[] =
    222     "disable-auth-negotiate-cname-lookup";
    223 
    224 // Disable several subsystems which run network requests in the background.
    225 // This is for use when doing network performance testing to avoid noise in the
    226 // measurements.
    227 const char kDisableBackgroundNetworking[]   = "disable-background-networking";
    228 
    229 // Disables the bundled PPAPI version of Flash.
    230 const char kDisableBundledPpapiFlash[]      = "disable-bundled-ppapi-flash";
    231 
    232 // Disables the client-side phishing detection feature. Note that even if
    233 // client-side phishing detection is enabled, it will only be active if the
    234 // user has opted in to UMA stats and SafeBrowsing is enabled in the
    235 // preferences.
    236 const char kDisableClientSidePhishingDetection[] =
    237     "disable-client-side-phishing-detection";
    238 
    239 // Disable default component extensions with background pages - useful for
    240 // performance tests where these pages may interfere with perf results.
    241 const char kDisableComponentExtensionsWithBackgroundPages[] =
    242     "disable-component-extensions-with-background-pages";
    243 
    244 const char kDisableComponentUpdate[]        = "disable-component-update";
    245 
    246 // Disables installation of default apps on first run. This is used during
    247 // automated testing.
    248 const char kDisableDefaultApps[]            = "disable-default-apps";
    249 
    250 // Disables device discovery notifications.
    251 const char kDisableDeviceDiscoveryNotifications[] =
    252     "disable-device-discovery-notifications";
    253 
    254 // Disables Domain Reliability Monitoring.
    255 const char kDisableDomainReliability[]      = "disable-domain-reliability";
    256 
    257 // Disable extensions.
    258 const char kDisableExtensions[]             = "disable-extensions";
    259 
    260 // Disable checking for user opt-in for extensions that want to inject script
    261 // into file URLs (ie, always allow it). This is used during automated testing.
    262 const char kDisableExtensionsFileAccessCheck[] =
    263     "disable-extensions-file-access-check";
    264 
    265 // Disable the net::URLRequestThrottlerManager functionality for
    266 // requests originating from extensions.
    267 const char kDisableExtensionsHttpThrottling[] =
    268     "disable-extensions-http-throttling";
    269 
    270 // Don't resolve hostnames to IPv6 addresses. This can be used when debugging
    271 // issues relating to IPv6, but shouldn't otherwise be needed. Be sure to file
    272 // bugs if something isn't working properly in the presence of IPv6. This flag
    273 // can be overidden by the "enable-ipv6" flag.
    274 const char kDisableIPv6[]                   = "disable-ipv6";
    275 
    276 // Disable the behavior that the second click on a launcher item (the click when
    277 // the item is already active) minimizes the item.
    278 const char kDisableMinimizeOnSecondLauncherItemClick[] =
    279     "disable-minimize-on-second-launcher-item-click";
    280 
    281 // Disables the menu on the NTP for accessing sessions from other devices.
    282 const char kDisableNTPOtherSessionsMenu[]   = "disable-ntp-other-sessions-menu";
    283 
    284 // Disables the Material Design NTP.
    285 const char kDisableMaterialDesignNTP[]      = "disable-material-design-ntp";
    286 
    287 // Disable auto-reload of error pages if offline.
    288 const char kDisableOfflineAutoReload[]       = "disable-offline-auto-reload";
    289 
    290 // Disable only auto-reloading error pages when the tab is visible.
    291 const char kDisableOfflineAutoReloadVisibleOnly[] =
    292     "disable-offline-auto-reload-visible-only";
    293 
    294 // Disable the origin chip.
    295 const char kDisableOriginChip[]             = "disable-origin-chip";
    296 
    297 // Disable the setting to prompt the user for their OS account password before
    298 // revealing plaintext passwords in the password manager.
    299 const char kDisablePasswordManagerReauthentication[] =
    300     "disable-password-manager-reauthentication";
    301 
    302 // Enables searching for people from the apps list search box.
    303 const char kDisablePeopleSearch[]           = "disable-people-search";
    304 
    305 // Don't use bubbles for content permissions requests instead of infobars.
    306 const char kDisablePermissionsBubbles[]      = "disable-permissions-bubbles";
    307 
    308 // Disable pop-up blocking.
    309 const char kDisablePopupBlocking[]          = "disable-popup-blocking";
    310 
    311 // Disable speculative TCP/IP preconnection.
    312 const char kDisablePreconnect[]             = "disable-preconnect";
    313 
    314 // Disable prerendering based on local browsing history.
    315 const char kDisablePrerenderLocalPredictor[] =
    316     "disable-prerender-local-predictor";
    317 
    318 // Disables print preview (For testing, and for users who don't like us. :[ )
    319 const char kDisablePrintPreview[]           = "disable-print-preview";
    320 
    321 // Normally when the user attempts to navigate to a page that was the result of
    322 // a post we prompt to make sure they want to. This switch may be used to
    323 // disable that check. This switch is used during automated testing.
    324 const char kDisablePromptOnRepost[]         = "disable-prompt-on-repost";
    325 
    326 // Disables support for the QUIC protocol.
    327 const char kDisableQuic[]                   = "disable-quic";
    328 
    329 // Disable use of pacing of QUIC packets.
    330 // This only has an effect if QUIC protocol is enabled.
    331 const char kDisableQuicPacing[]             = "disable-quic-pacing";
    332 
    333 // Disable use of Chromium's port selection for the ephemeral port via bind().
    334 // This only has an effect if QUIC protocol is enabled.
    335 const char kDisableQuicPortSelection[]      = "disable-quic-port-selection";
    336 
    337 // Disable use of time-base loss detection for QUIC connections.
    338 // This only has an effect if QUIC protocol is enabled.
    339 const char kDisableQuicTimeBasedLossDetection[] =
    340     "disable-quic-time-based-loss-detection";
    341 
    342 // Prevents the save password bubble from being enabled.
    343 const char kDisableSavePasswordBubble[] = "disable-save-password-bubble";
    344 
    345 // Disables the "search button in omnibox" experiment.
    346 const char kDisableSearchButtonInOmnibox[]  =
    347     "disable-search-button-in-omnibox";
    348 
    349 // Disables using bubbles for session restore request.
    350 const char kDisableSessionCrashedBubble[] = "disable-session-crashed-bubble";
    351 
    352 // Disable SPDY/3.1. This is a temporary testing flag.
    353 const char kDisableSpdy31[]                 = "disable-spdy31";
    354 
    355 // Disables the suggestions service.
    356 const char kDisableSuggestionsService[]     = "disable-suggestions-service";
    357 
    358 // Disables syncing browser data to a Google Account.
    359 const char kDisableSync[]                   = "disable-sync";
    360 
    361 // Disable synced notifications.
    362 const char kDisableSyncSyncedNotifications[] =
    363     "disable-sync-synced-notifications";
    364 
    365 // Disables syncing one or more sync data types that are on by default.
    366 // See sync/internal_api/public/base/model_type.h for possible types. Types
    367 // should be comma separated, and follow the naming convention for string
    368 // representation of model types, e.g.:
    369 // --disable-synctypes='Typed URLs, Bookmarks, Autofill Profiles'
    370 const char kDisableSyncTypes[]              = "disable-sync-types";
    371 
    372 // Disables the backend service for web resources.
    373 const char kDisableWebResources[]           = "disable-web-resources";
    374 
    375 // Some tests seem to require the application to close when the last
    376 // browser window is closed. Thus, we need a switch to force this behavior
    377 // for ChromeOS Aura, disable "zero window mode".
    378 // TODO(pkotwicz): Investigate if this bug can be removed.
    379 // (http://crbug.com/119175)
    380 const char kDisableZeroBrowsersOpenForTests[] =
    381     "disable-zero-browsers-open-for-tests";
    382 
    383 // Use a specific disk cache location, rather than one derived from the
    384 // UserDatadir.
    385 const char kDiskCacheDir[]                  = "disk-cache-dir";
    386 
    387 // Forces the maximum disk space to be used by the disk cache, in bytes.
    388 const char kDiskCacheSize[]                 = "disk-cache-size";
    389 
    390 const char kDnsLogDetails[]                 = "dns-log-details";
    391 
    392 // Disables prefetching of DNS information.
    393 const char kDnsPrefetchDisable[]            = "dns-prefetch-disable";
    394 
    395 // Requests that a running browser process dump its collected histograms to a
    396 // given file. The file is overwritten if it exists.
    397 const char kDumpBrowserHistograms[]         = "dump-browser-histograms";
    398 
    399 // Overrides the path of Easy Unlock component app.
    400 extern const char kEasyUnlockAppPath[]      = "easy-unlock-app-path";
    401 
    402 // If set, the app list will be enabled as if enabled from CWS.
    403 const char kEnableAppList[]                 = "enable-app-list";
    404 
    405 // Enable OS integration for Chrome app file associations.
    406 const char kEnableAppsFileAssociations[]    = "enable-apps-file-associations";
    407 
    408 // Enables the experimental asynchronous DNS client.
    409 const char kEnableAsyncDns[]                = "enable-async-dns";
    410 
    411 // Enables the inclusion of non-standard ports when generating the Kerberos SPN
    412 // in response to a Negotiate challenge. See
    413 // HttpAuthHandlerNegotiate::CreateSPN for more background.
    414 const char kEnableAuthNegotiatePort[]       = "enable-auth-negotiate-port";
    415 
    416 // Enables the benchmarking extensions.
    417 const char kEnableBenchmarking[]            = "enable-benchmarking";
    418 
    419 // Enables client hints, which adds hints about browser state to HTTP requests.
    420 const char kEnableClientHints[]             = "enable-client-hints";
    421 
    422 // Enables the multi-level undo system for bookmarks.
    423 const char kEnableBookmarkUndo[]            = "enable-bookmark-undo";
    424 
    425 // This applies only when the process type is "service". Enables the Cloud
    426 // Print Proxy component within the service process.
    427 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";
    428 
    429 // If true devtools experimental settings are enabled.
    430 const char kEnableDevToolsExperiments[]     = "enable-devtools-experiments";
    431 
    432 // Enable device discovery notifications.
    433 const char kEnableDeviceDiscoveryNotifications[] =
    434     "enable-device-discovery-notifications";
    435 
    436 // Enables the DOM distiller.
    437 const char kEnableDomDistiller[]               = "enable-dom-distiller";
    438 
    439 // Enables Domain Reliability Monitoring.
    440 const char kEnableDomainReliability[]          = "enable-domain-reliability";
    441 
    442 // Enable Enhanced Bookmarks.
    443 const char kEnhancedBookmarksExperiment[] = "enhanced-bookmarks-experiment";
    444 
    445 // Enables experimentation with ephemeral apps, which are launched without
    446 // installing in Chrome.
    447 const char kEnableEphemeralApps[]           = "enable-ephemeral-apps";
    448 
    449 // Enables experimental hotword detection features. These features include
    450 // using a new component extension for performing hotword detection, new UI
    451 // flows, and always-on detection.
    452 const char kEnableExperimentalHotwording[]  = "enable-experimental-hotwording";
    453 
    454 // Enables logging for extension activity.
    455 const char kEnableExtensionActivityLogging[] =
    456     "enable-extension-activity-logging";
    457 
    458 const char kEnableExtensionActivityLogTesting[] =
    459     "enable-extension-activity-log-testing";
    460 
    461 // Enable the fast unload controller, which speeds up tab/window close by
    462 // running a tab's onunload js handler independently of the GUI -
    463 // crbug.com/142458 .
    464 const char kEnableFastUnload[]         = "enable-fast-unload";
    465 
    466 // Enables IPv6 support, even if probes suggest that it may not be fully
    467 // supported. Some probes may require internet connections, and this flag will
    468 // allow support independent of application testing. This flag overrides
    469 // "disable-ipv6" which appears elswhere in this file.
    470 const char kEnableIPv6[]                    = "enable-ipv6";
    471 
    472 // Enables experimentation with launching ephemeral apps via hyperlinks.
    473 const char kEnableLinkableEphemeralApps[]   = "enable-linkable-ephemeral-apps";
    474 
    475 // Runs the Native Client inside the renderer process and enables GPU plugin
    476 // (internally adds lEnableGpuPlugin to the command line).
    477 const char kEnableNaCl[]                    = "enable-nacl";
    478 
    479 // Enables the network-related benchmarking extensions.
    480 const char kEnableNetBenchmarking[]         = "enable-net-benchmarking";
    481 
    482 // Enables the Material Design NTP.
    483 const char kEnableMaterialDesignNTP[]       = "enable-material-design-ntp";
    484 
    485 // Enables NPN with HTTP. It means NPN is enabled but SPDY won't be used.
    486 // HTTP is still used for all requests.
    487 const char kEnableNpnHttpOnly[]             = "enable-npn-http";
    488 
    489 // Enable auto-reload of error pages if offline.
    490 const char kEnableOfflineAutoReload[]       = "enable-offline-auto-reload";
    491 
    492 // Only auto-reload error pages when the tab is visible.
    493 const char kEnableOfflineAutoReloadVisibleOnly[] =
    494     "enable-offline-auto-reload-visible-only";
    495 
    496 // Enable/Disable offering a "Load stale copy" option to the user if offline.
    497 const char kEnableOfflineLoadStaleCache[]   = "enable-offline-load-stale-cache";
    498 const char kDisableOfflineLoadStaleCache[]  =
    499     "disable-offline-load-stale-cache";
    500 
    501 // Controls which branch of the origin chip in location bar experiment is
    502 // enabled.
    503 //
    504 // We're using independent flags here (as opposed to a common flag with
    505 // different values) to be able to enable/disable the entire experience
    506 // associated with this feature server-side from the FieldTrial (the complete
    507 // experience includes other flag changes as well). It is not currently possible
    508 // to do that with "flag=value" flags.
    509 const char kEnableOriginChipAlways[]        = "enable-origin-chip-always";
    510 const char kEnableOriginChipOnSrp[]         = "enable-origin-chip-on-srp";
    511 
    512 // Enables panels (always on-top docked pop-up windows).
    513 const char kEnablePanels[]                  = "enable-panels";
    514 
    515 // Enables presenting plugin placeholder content as shadow DOM.
    516 const char kEnablePluginPlaceholderShadowDom[] =
    517     "enable-plugin-placeholder-shadow-dom";
    518 
    519 // Enables showing unregistered printers in print preview
    520 const char kEnablePrintPreviewRegisterPromos[] =
    521     "enable-print-preview-register-promos";
    522 
    523 // Enable Privet storage.
    524 const char kEnablePrivetStorage[]           = "enable-privet-storage";
    525 
    526 // Enables tracking of tasks in profiler for viewing via about:profiler.
    527 // To predominantly disable tracking (profiling), use the command line switch:
    528 // --enable-profiling=0
    529 // Some tracking will still take place at startup, but it will be turned off
    530 // during chrome_browser_main.
    531 const char kEnableProfiling[]               = "enable-profiling";
    532 
    533 // Enables query in the omnibox.
    534 const char kEnableQueryExtraction[]         = "enable-query-extraction";
    535 
    536 // Enables support for the QUIC protocol.  This is a temporary testing flag.
    537 const char kEnableQuic[]                    = "enable-quic";
    538 
    539 // Disable use of pacing of QUIC packets.
    540 // This only has an effect if QUIC protocol is enabled.
    541 const char kEnableQuicPacing[]              = "enable-quic-pacing";
    542 
    543 // Enable use of Chromium's port selection for the ephemeral port via bind().
    544 // This only has an effect if QUIC protocol is enabled.
    545 const char kEnableQuicPortSelection[]       = "enable-quic-port-selection";
    546 
    547 // Enables use of time-base loss detection for QUIC connections.
    548 // This only has an effect if QUIC protocol is enabled.
    549 const char kEnableQuicTimeBasedLossDetection[] =
    550     "enable-quic-time-based-loss-detection";
    551 
    552 // Enables context-sensitive reader mode button in the toolbar.
    553 const char kEnableReaderModeToolbarIcon[] =
    554     "enable-reader-mode-toolbar-icon";
    555 
    556 // Enables save password prompt bubble.
    557 const char kEnableSavePasswordBubble[]      = "enable-save-password-bubble";
    558 
    559 // Enables SDCH for https schemes.
    560 const char kEnableSdchOverHttps[] = "enable-sdch-over-https";
    561 
    562 // Controls which branch of the "search button in omnibox" experiment is
    563 // enabled.
    564 //
    565 // We're using independent flags here (as opposed to a common flag with
    566 // different values) to be able to enable/disable the entire experience
    567 // associated with this feature server-side from the FieldTrial (the complete
    568 // experience includes other flag changes as well). It is not currently possible
    569 // to do that with "flag=value" flags.
    570 const char kEnableSearchButtonInOmniboxAlways[] =
    571     "enable-search-button-in-omnibox-always";
    572 const char kEnableSearchButtonInOmniboxForStr[] =
    573     "enable-search-button-in-omnibox-for-str";
    574 const char kEnableSearchButtonInOmniboxForStrOrIip[] =
    575     "enable-search-button-in-omnibox-for-str-or-iip";
    576 
    577 // Enables using bubbles for session restore request instead of infobars.
    578 const char kEnableSessionCrashedBubble[] = "enable-session-crashed-bubble";
    579 
    580 // Enables the deprecated window.showModalDialog API. This is slated for
    581 // removal.
    582 const char kEnableShowModalDialog[] = "enable-show-modal-dialog";
    583 
    584 // Enable or disable settings in a separate browser window per profile
    585 // (see SettingsWindowEnabled() below).
    586 const char kEnableSettingsWindow[]           = "enable-settings-window";
    587 const char kDisableSettingsWindow[]          = "disable-settings-window";
    588 
    589 // Enable SPDY/4, aka HTTP/2. This is a temporary testing flag.
    590 const char kEnableSpdy4[]                   = "enable-spdy4";
    591 
    592 // Enables auto correction for misspelled words.
    593 const char kEnableSpellingAutoCorrect[]     = "enable-spelling-auto-correct";
    594 
    595 // Enables participation in the field trial for user feedback to spelling
    596 // service.
    597 const char kEnableSpellingFeedbackFieldTrial[] =
    598     "enable-spelling-feedback-field-trial";
    599 
    600 // Enables a feature that holds back some SSLConnectJobs in order to
    601 // minimize the number of full SSL handshakes completed.
    602 const char kEnableSSLConnectJobWaiting[] = "enable-ssl-connect-job-waiting";
    603 
    604 // Enables an experimental hosted app experience.
    605 const char kEnableStreamlinedHostedApps[]   = "enable-streamlined-hosted-apps";
    606 
    607 // Enables the suggestions service.
    608 const char kEnableSuggestionsService[]      = "enable-suggestions-service";
    609 
    610 // Enables the supervised user host blacklist.
    611 const char kEnableSupervisedUserBlacklist[] =
    612     "enable-supervised-user-blacklist";
    613 
    614 // Enables synced notifications.
    615 const char kEnableSyncSyncedNotifications[] =
    616     "enable-sync-synced-notifications";
    617 
    618 // Enables synced articles.
    619 const char kEnableSyncArticles[]            = "enable-sync-articles";
    620 
    621 // Enables user control over muting tab audio from the tab strip.
    622 const char kEnableTabAudioMuting[]  = "enable-tab-audio-muting";
    623 
    624 // Enables fanciful thumbnail processing. Used with NTP for
    625 // instant-extended-api, where thumbnails are generally smaller.
    626 const char kEnableThumbnailRetargeting[]   = "enable-thumbnail-retargeting";
    627 
    628 // Enables Translate experimental new UX which replaces the infobar.
    629 const char kEnableTranslateNewUX[]         = "enable-translate-new-ux";
    630 
    631 // Enables Alternate-Protocol when the port is user controlled (> 1024).
    632 const char kEnableUserAlternateProtocolPorts[] =
    633     "enable-user-controlled-alternate-protocol-ports";
    634 
    635 // Uses WebSocket over SPDY.
    636 const char kEnableWebSocketOverSpdy[]       = "enable-websocket-over-spdy";
    637 
    638 // Enables the Website Settings page on the Settings page.
    639 const char kEnableWebsiteSettingsManager[]  = "enable-website-settings-manager";
    640 
    641 // Explicitly allows additional ports using a comma-separated list of port
    642 // numbers.
    643 const char kExplicitlyAllowedPorts[]        = "explicitly-allowed-ports";
    644 
    645 // Values for the kExtensionContentVerification flag.
    646 // See ContentVerifierDelegate::Mode for more explanation.
    647 const char kExtensionContentVerificationBootstrap[] = "bootstrap";
    648 const char kExtensionContentVerificationEnforceStrict[] = "enforce_strict";
    649 const char kExtensionContentVerificationEnforce[] = "enforce";
    650 
    651 // Name of the command line flag to force content verification to be on in one
    652 // of various modes.
    653 const char kExtensionContentVerification[] = "extension-content-verification";
    654 
    655 // Turns on extension install verification if it would not otherwise have been
    656 // turned on.
    657 const char kExtensionsInstallVerification[] = "extensions-install-verification";
    658 
    659 // Specifies a comma-separated list of extension ids that should be forced to
    660 // be treated as not from the webstore when doing install verification.
    661 const char kExtensionsNotWebstore[] = "extensions-not-webstore";
    662 
    663 // Frequency in seconds for Extensions auto-update.
    664 const char kExtensionsUpdateFrequency[]     = "extensions-update-frequency";
    665 
    666 // Fakes the channel of the browser for purposes of Variations filtering. This
    667 // is to be used for testing only. Possible values are "stable", "beta", "dev"
    668 // and "canary". Note that this only applies if the browser's reported channel
    669 // is UNKNOWN.
    670 const char kFakeVariationsChannel[]         = "fake-variations-channel";
    671 
    672 // If this flag is present then this command line is being delegated to an
    673 // already running chrome process via the fast path, ie: before chrome.dll is
    674 // loaded. It is useful to tell the difference for tracking purposes.
    675 const char kFastStart[]            = "fast-start";
    676 
    677 // These two flags are added around the switches about:flags adds to the
    678 // command line. This is useful to see which switches were added by about:flags
    679 // on about:version. They don't have any effect.
    680 const char kFlagSwitchesBegin[]             = "flag-switches-begin";
    681 const char kFlagSwitchesEnd[]               = "flag-switches-end";
    682 
    683 // Forces application mode. This hides certain system UI elements and forces
    684 // the app to be installed if it hasn't been already.
    685 const char kForceAppMode[]                  = "force-app-mode";
    686 
    687 // Displays the First Run experience when the browser is started, regardless of
    688 // whether or not it's actually the First Run (this overrides kNoFirstRun).
    689 const char kForceFirstRun[]                 = "force-first-run";
    690 
    691 // Forces additional Chrome Variation Ids that will be sent in X-Client-Data
    692 // header, specified as a 64-bit encoded list of numeric experiment ids. Ids
    693 // prefixed with the character "t" will be treated as Trigger Variation Ids.
    694 const char kForceVariationIds[]             = "force-variation-ids";
    695 
    696 // Specifies a custom name for the GSSAPI library to load.
    697 const char kGSSAPILibraryName[]             = "gssapi-library-name";
    698 
    699 // These flags show the man page on Linux. They are equivalent to each
    700 // other.
    701 const char kHelp[]                          = "help";
    702 const char kHelpShort[]                     = "h";
    703 
    704 // Makes Windows happy by allowing it to show "Enable access to this program"
    705 // checkbox in Add/Remove Programs->Set Program Access and Defaults. This only
    706 // shows an error box because the only way to hide Chrome is by uninstalling
    707 // it.
    708 const char kHideIcons[]                     = "hide-icons";
    709 
    710 // Enables grouping websites by domain and filtering them by period.
    711 const char kHistoryEnableGroupByDomain[]    = "enable-grouped-history";
    712 
    713 // Specifies which page will be displayed in newly-opened tabs. We need this
    714 // for testing purposes so that the UI tests don't depend on what comes up for
    715 // http://google.com.
    716 const char kHomePage[]                      = "homepage";
    717 
    718 // Comma-separated list of rules that control how hostnames are mapped.
    719 //
    720 // For example:
    721 //    "MAP * 127.0.0.1" --> Forces all hostnames to be mapped to 127.0.0.1
    722 //    "MAP *.google.com proxy" --> Forces all google.com subdomains to be
    723 //                                 resolved to "proxy".
    724 //    "MAP test.com [::1]:77 --> Forces "test.com" to resolve to IPv6 loopback.
    725 //                               Will also force the port of the resulting
    726 //                               socket address to be 77.
    727 //    "MAP * baz, EXCLUDE www.google.com" --> Remaps everything to "baz",
    728 //                                            except for "www.google.com".
    729 //
    730 // These mappings apply to the endpoint host in a net::URLRequest (the TCP
    731 // connect and host resolver in a direct connection, and the CONNECT in an http
    732 // proxy connection, and the endpoint host in a SOCKS proxy connection).
    733 const char kHostRules[]                     = "host-rules";
    734 
    735 // The maximum number of concurrent host resolve requests (i.e. DNS) to allow
    736 // (not counting backup attempts which would also consume threads).
    737 // --host-resolver-retry-attempts must be set to zero for this to be exact.
    738 const char kHostResolverParallelism[]       = "host-resolver-parallelism";
    739 
    740 // The maximum number of retry attempts to resolve the host. Set this to zero
    741 // to disable host resolver retry attempts.
    742 const char kHostResolverRetryAttempts[]     = "host-resolver-retry-attempts";
    743 
    744 // Causes net::URLFetchers to ignore requests for SSL client certificates,
    745 // causing them to attempt an unauthenticated SSL/TLS session. This is intended
    746 // for use when testing various service URLs (eg: kPromoServerURL, kSbURLPrefix,
    747 // kSyncServiceURL, etc)
    748 const char kIgnoreUrlFetcherCertRequests[]  =
    749     "ignore-urlfetcher-cert-requests";
    750 
    751 // Causes the browser to launch directly in incognito mode.
    752 const char kIncognito[]                     = "incognito";
    753 
    754 // Causes Chrome to initiate an installation flow for the given app.
    755 const char kInstallChromeApp[]              = "install-chrome-app";
    756 
    757 // Causes Chrome to attempt to get metadata from the webstore for the
    758 // app/extension ID given, and then prompt the user to download and install it.
    759 // This is allowed *only* for ephemeral apps. All other ids will be ignored.
    760 const char kInstallEphemeralAppFromWebstore[] =
    761     "install-ephemeral-app-from-webstore";
    762 
    763 // Marks a renderer as an Instant process.
    764 const char kInstantProcess[]                = "instant-process";
    765 
    766 // Invalidation service should use GCM network channel even if experiment is not
    767 // enabled.
    768 const char kInvalidationUseGCMChannel[]     = "invalidation-use-gcm-channel";
    769 
    770 // Enables experimental Harmony (ECMAScript 6) features.
    771 const char kJavaScriptHarmony[]             = "javascript-harmony";
    772 
    773 // Specifies the testcase used by the IPC fuzzer.
    774 const char kIpcFuzzerTestcase[]             = "ipc-fuzzer-testcase";
    775 
    776 // Used for testing - keeps browser alive after last browser window closes.
    777 const char kKeepAliveForTest[]              = "keep-alive-for-test";
    778 
    779 // Enable Kiosk mode.
    780 const char kKioskMode[]                     = "kiosk";
    781 
    782 // Print automatically in kiosk mode. |kKioskMode| must be set as well.
    783 // See http://crbug.com/31395.
    784 const char kKioskModePrinting[]             = "kiosk-printing";
    785 
    786 // Comma-separated list of directories with component extensions to load.
    787 const char kLoadComponentExtension[]        = "load-component-extension";
    788 
    789 // Loads an extension from the specified directory.
    790 const char kLoadExtension[]                 = "load-extension";
    791 
    792 // Makes Chrome default browser
    793 const char kMakeDefaultBrowser[]            = "make-default-browser";
    794 
    795 // Use to opt-in user into Finch experiment groups.
    796 const char kManualEnhancedBookmarks[] = "manual-enhanced-bookmarks";
    797 const char kManualEnhancedBookmarksOptout[] =
    798     "manual-enhanced-bookmarks-optout";
    799 
    800 // Forces the maximum disk space to be used by the media cache, in bytes.
    801 const char kMediaCacheSize[]                = "media-cache-size";
    802 
    803 // Enables histograming of tasks served by MessageLoop. See
    804 // about:histograms/Loop for results, which show frequency of messages on each
    805 // thread, including APC count, object signalling count, etc.
    806 const char kMessageLoopHistogrammer[]       = "message-loop-histogrammer";
    807 
    808 // Enables the recording of metrics reports but disables reporting. In contrast
    809 // to kDisableMetrics, this executes all the code that a normal client would
    810 // use for reporting, except the report is dropped rather than sent to the
    811 // server. This is useful for finding issues in the metrics code during UI and
    812 // performance tests.
    813 const char kMetricsRecordingOnly[]          = "metrics-recording-only";
    814 
    815 // Sets the base logging level for the net log. Log 0 logs the most data.
    816 // Intended primarily for use with --log-net-log.
    817 const char kNetLogLevel[]                   = "net-log-level";
    818 
    819 // Disables the default browser check. Useful for UI/browser tests where we
    820 // want to avoid having the default browser info-bar displayed.
    821 const char kNoDefaultBrowserCheck[]         = "no-default-browser-check";
    822 
    823 // By default, an https page can load images, fonts or frames from an http
    824 // page. This switch overrides this to block this lesser mixed-content problem.
    825 const char kNoDisplayingInsecureContent[]   = "no-displaying-insecure-content";
    826 
    827 // Don't record/playback events when using record & playback.
    828 const char kNoEvents[]                      = "no-events";
    829 
    830 // Disables all experiments set on about:flags. Does not disable about:flags
    831 // itself. Useful if an experiment makes chrome crash at startup: One can start
    832 // chrome with --no-experiments, disable the problematic lab at about:flags and
    833 // then restart chrome without this switch again.
    834 const char kNoExperiments[]                 = "no-experiments";
    835 
    836 // Skip First Run tasks, whether or not it's actually the First Run. Overridden
    837 // by kForceFirstRun. This does not drop the First Run sentinel and thus doesn't
    838 // prevent first run from occuring the next time chrome is launched without this
    839 // flag.
    840 const char kNoFirstRun[]                    = "no-first-run";
    841 
    842 // Whether or not the browser should warn if the profile is on a network share.
    843 // This flag is only relevant for Windows currently.
    844 const char kNoNetworkProfileWarning[]       = "no-network-profile-warning";
    845 
    846 // Don't send hyperlink auditing pings
    847 const char kNoPings[]                       = "no-pings";
    848 
    849 // Don't use a proxy server, always make direct connections. Overrides any
    850 // other proxy server flags that are passed.
    851 const char kNoProxyServer[]                 = "no-proxy-server";
    852 
    853 // Disables the service process from adding itself as an autorun process. This
    854 // does not delete existing autorun registrations, it just prevents the service
    855 // from registering a new one.
    856 const char kNoServiceAutorun[]              = "no-service-autorun";
    857 
    858 // Does not automatically open a browser window on startup (used when
    859 // launching Chrome for the purpose of hosting background apps).
    860 const char kNoStartupWindow[]               = "no-startup-window";
    861 
    862 // Disables checking whether we received an acknowledgment when registering
    863 // a supervised user. Also disables the timeout during registration that waits
    864 // for the ack. Useful when debugging against a server that does not
    865 // support notifications.
    866 const char kNoSupervisedUserAcknowledgmentCheck[]  =
    867     "no-managed-user-acknowledgment-check";
    868 
    869 // Specifies the maximum number of threads to use for running the Proxy
    870 // Autoconfig (PAC) script.
    871 const char kNumPacThreads[]                 = "num-pac-threads";
    872 
    873 // Launches URL in new browser window.
    874 const char kOpenInNewWindow[]               = "new-window";
    875 
    876 // Force use of QUIC for requests to the specified origin.
    877 const char kOriginToForceQuicOn[]           = "origin-to-force-quic-on";
    878 
    879 // The time that a new chrome process which is delegating to an already running
    880 // chrome process started. (See ProcessSingleton for more details.)
    881 const char kOriginalProcessStartTime[]      = "original-process-start-time";
    882 
    883 // Enable the out of process PDF plugin.
    884 const char kOutOfProcessPdf[] = "out-of-process-pdf";
    885 
    886 // Packages an extension to a .crx installable file from a given directory.
    887 const char kPackExtension[]                 = "pack-extension";
    888 
    889 // Optional PEM private key to use in signing packaged .crx.
    890 const char kPackExtensionKey[]              = "pack-extension-key";
    891 
    892 // Specifies the path to the user data folder for the parent profile.
    893 const char kParentProfile[]                 = "parent-profile";
    894 
    895 // Development flag for permission request API. This flag is needed until
    896 // the API is finalized.
    897 // TODO(bauerb): Remove when this flag is not needed anymore.
    898 const char kPermissionRequestApiScope[]     = "permission-request-api-scope";
    899 
    900 // Development flag for permission request API. This flag is needed until
    901 // the API is finalized.
    902 // TODO(bauerb): Remove when this flag is not needed anymore.
    903 const char kPermissionRequestApiUrl[]       = "permission-request-api-url";
    904 
    905 // Read previously recorded data from the cache. Only cached data is read.
    906 // See kRecordMode.
    907 const char kPlaybackMode[]                  = "playback-mode";
    908 
    909 // Use the PPAPI (Pepper) Flash found at the given path.
    910 const char kPpapiFlashPath[]                = "ppapi-flash-path";
    911 
    912 // Report the given version for the PPAPI (Pepper) Flash. The version should be
    913 // numbers separated by '.'s (e.g., "12.3.456.78"). If not specified, it
    914 // defaults to "10.2.999.999".
    915 const char kPpapiFlashVersion[]             = "ppapi-flash-version";
    916 
    917 // Triggers prerendering of search base page to prefetch results for the typed
    918 // omnibox query. Only has an effect when prerender is enabled.
    919 const char kPrefetchSearchResults[]         = "prefetch-search-results";
    920 
    921 // Triggers prerendering of pages from suggestions in the omnibox. Only has an
    922 // effect when Instant is either disabled or restricted to search, and when
    923 // prerender is enabled.
    924 const char kPrerenderFromOmnibox[]          = "prerender-from-omnibox";
    925 // These are the values the kPrerenderFromOmnibox switch may have, as in
    926 // "--prerender-from-omnibox=auto". auto: Allow field trial selection.
    927 const char kPrerenderFromOmniboxSwitchValueAuto[] = "auto";
    928 //   disabled: No prerendering.
    929 const char kPrerenderFromOmniboxSwitchValueDisabled[] = "disabled";
    930 //   enabled: Guaranteed prerendering.
    931 const char kPrerenderFromOmniboxSwitchValueEnabled[] = "enabled";
    932 // Controls speculative prerendering of pages, and content prefetching. Both
    933 // are dispatched from <link rel=prefetch href=...> elements.
    934 const char kPrerenderMode[]                 = "prerender";
    935 // These are the values the kPrerenderMode switch may have, as in
    936 // "--prerender=auto".
    937 //   auto: Allow field trial selection for prerender.
    938 const char kPrerenderModeSwitchValueAuto[]  = "auto";
    939 //   disabled: No prerendering.
    940 const char kPrerenderModeSwitchValueDisabled[] = "disabled";
    941 //   enabled: Prerendering.
    942 const char kPrerenderModeSwitchValueEnabled[] = "enabled";
    943 
    944 // Use IPv6 only for privet HTTP.
    945 const char kPrivetIPv6Only[]                   = "privet-ipv6-only";
    946 
    947 // Outputs the product version information and quit. Used as an internal api to
    948 // detect the installed version of Chrome on Linux.
    949 const char kProductVersion[]                = "product-version";
    950 
    951 // Selects directory of profile to associate with the first browser launched.
    952 const char kProfileDirectory[]              = "profile-directory";
    953 
    954 // Starts the sampling based profiler for the browser process at startup. This
    955 // will only work if chrome has been built with the gyp variable profiling=1.
    956 // The output will go to the value of kProfilingFile.
    957 const char kProfilingAtStart[]              = "profiling-at-start";
    958 
    959 // Specifies a location for profiling output. This will only work if chrome has
    960 // been built with the gyp variable profiling=1.
    961 //
    962 //   {pid} if present will be replaced by the pid of the process.
    963 //   {count} if present will be incremented each time a profile is generated
    964 //           for this process.
    965 // The default is chrome-profile-{pid}.
    966 const char kProfilingFile[]                 = "profiling-file";
    967 
    968 // Specifies a path for the output of task-level profiling which can be loaded
    969 // and viewed in about:profiler.
    970 const char kProfilingOutputFile[]           = "profiling-output-file";
    971 
    972 // Controls whether profile data is periodically flushed to a file. Normally
    973 // the data gets written on exit but cases exist where chrome doesn't exit
    974 // cleanly (especially when using single-process). A time in seconds can be
    975 // specified.
    976 const char kProfilingFlush[]                = "profiling-flush";
    977 
    978 // Specifies a custom URL for fetching NTP promo data.
    979 const char kPromoServerURL[]                = "promo-server-url";
    980 
    981 // Forces proxy auto-detection.
    982 const char kProxyAutoDetect[]               = "proxy-auto-detect";
    983 
    984 // Specifies a list of hosts for whom we bypass proxy settings and use direct
    985 // connections. Ignored if --proxy-auto-detect or --no-proxy-server are also
    986 // specified. This is a comma-separated list of bypass rules. See:
    987 // "net/proxy/proxy_bypass_rules.h" for the format of these rules.
    988 const char kProxyBypassList[]               = "proxy-bypass-list";
    989 
    990 // Uses the pac script at the given URL
    991 const char kProxyPacUrl[]                   = "proxy-pac-url";
    992 
    993 // Uses a specified proxy server, overrides system settings. This switch only
    994 // affects HTTP and HTTPS requests.
    995 const char kProxyServer[]                   = "proxy-server";
    996 
    997 // Specifies a comma separated list of QUIC connection options to send to
    998 // the server.
    999 const char kQuicConnectionOptions[]         = "quic-connection-options";
   1000 
   1001 // Specifies the maximum length for a QUIC packet.
   1002 const char kQuicMaxPacketLength[]           = "quic-max-packet-length";
   1003 
   1004 // Specifies the version of QUIC to use.
   1005 const char kQuicVersion[]                   = "quic-version";
   1006 
   1007 // Chrome supports a playback and record mode.  Record mode saves *everything*
   1008 // to the cache.  Playback mode reads data exclusively from the cache.  This
   1009 // allows us to record a session into the cache and then replay it at will.
   1010 // See also kPlaybackMode.
   1011 const char kRecordMode[]                    = "record-mode";
   1012 
   1013 // Remember user proceeds through SSL interstitials for a specified amount of
   1014 // time. In particular, remember these decisions through session restart. The
   1015 // time delta to remember certificates should be specified in seconds.
   1016 const char kRememberCertErrorDecisions[]    = "remember-cert-error-decisions";
   1017 
   1018 // If set, the app list will forget it has been installed on startup. Note this
   1019 // doesn't prevent the app list from running, it just makes Chrome think the app
   1020 // list hasn't been enabled (as in kEnableAppList) yet.
   1021 const char kResetAppListInstallState[]      = "reset-app-list-install-state";
   1022 
   1023 // Indicates the last session should be restored on startup. This overrides the
   1024 // preferences value and is primarily intended for testing. The value of this
   1025 // switch is the number of tabs to wait until loaded before 'load completed' is
   1026 // sent to the ui_test.
   1027 const char kRestoreLastSession[]            = "restore-last-session";
   1028 
   1029 // Disable saving pages as HTML-only, disable saving pages as HTML Complete
   1030 // (with a directory of sub-resources). Enable only saving pages as MHTML.
   1031 // See http://crbug.com/120416 for how to remove this switch.
   1032 const char kSavePageAsMHTML[]               = "save-page-as-mhtml";
   1033 
   1034 // If present, safebrowsing only performs update when
   1035 // SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called.
   1036 // This is used for testing only.
   1037 const char kSbDisableAutoUpdate[] = "safebrowsing-disable-auto-update";
   1038 
   1039 // TODO(lzheng): Remove this flag once the feature works fine
   1040 // (http://crbug.com/74848).
   1041 //
   1042 // Disables safebrowsing feature that checks download url and downloads
   1043 // content's hash to make sure the content are not malicious.
   1044 const char kSbDisableDownloadProtection[] =
   1045     "safebrowsing-disable-download-protection";
   1046 
   1047 // Disables safebrowsing feature that checks for blacklisted extensions.
   1048 const char kSbDisableExtensionBlacklist[] =
   1049     "safebrowsing-disable-extension-blacklist";
   1050 
   1051 // Disables safebrowsing feature that provides a side-effect free whitelist.
   1052 const char kSbDisableSideEffectFreeWhitelist[] =
   1053     "safebrowsing-disable-side-effect-free-whitelist";
   1054 
   1055 // Causes the process to run as a service process.
   1056 const char kServiceProcess[]                = "service";
   1057 
   1058 // Sets a token in the token service, for testing.
   1059 const char kSetToken[]                      = "set-token";
   1060 
   1061 // If true the app list will be shown.
   1062 const char kShowAppList[]                   = "show-app-list";
   1063 
   1064 // See kHideIcons.
   1065 const char kShowIcons[]                     = "show-icons";
   1066 
   1067 // Marks a renderer as the signin process.
   1068 const char kSigninProcess[]                 = "signin-process";
   1069 
   1070 // Does not show an infobar when an extension attaches to a page using
   1071 // chrome.debugger page. Required to attach to extension background pages.
   1072 const char kSilentDebuggerExtensionAPI[]    = "silent-debugger-extension-api";
   1073 
   1074 // Causes Chrome to launch without opening any windows by default. Useful if
   1075 // one wishes to use Chrome as an ash server.
   1076 const char kSilentLaunch[]                  = "silent-launch";
   1077 
   1078 // Simulates an update being available.
   1079 const char kSimulateUpgrade[]               = "simulate-upgrade";
   1080 
   1081 // Simulates a critical update being available.
   1082 const char kSimulateCriticalUpdate[]        = "simulate-critical-update";
   1083 
   1084 // Simulates that current version is outdated.
   1085 const char kSimulateOutdated[]               = "simulate-outdated";
   1086 
   1087 // Simulates that current version is outdated and auto-update is off.
   1088 const char kSimulateOutdatedNoAU[]           = "simulate-outdated-no-au";
   1089 
   1090 // Speculative resource prefetching.
   1091 const char kSpeculativeResourcePrefetching[] =
   1092     "speculative-resource-prefetching";
   1093 
   1094 // Speculative resource prefetching is disabled.
   1095 const char kSpeculativeResourcePrefetchingDisabled[] = "disabled";
   1096 
   1097 // Speculative resource prefetching will only learn about resources that need to
   1098 // be prefetched but will not prefetch them.
   1099 const char kSpeculativeResourcePrefetchingLearning[] = "learning";
   1100 
   1101 // Speculative resource prefetching is enabled.
   1102 const char kSpeculativeResourcePrefetchingEnabled[] = "enabled";
   1103 
   1104 // Specifies the URL where spelling service feedback data will be sent instead
   1105 // of the default URL. This switch is for temporary testing only.
   1106 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
   1107 // August 2013.
   1108 const char kSpellingServiceFeedbackUrl[] = "spelling-service-feedback-url";
   1109 
   1110 // Specifies the number of seconds between sending batches of feedback to
   1111 // spelling service. The default is 30 minutes. The minimum is 5 seconds. This
   1112 // switch is for temporary testing only.
   1113 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
   1114 // August 2013.
   1115 const char kSpellingServiceFeedbackIntervalSeconds[] =
   1116     "spelling-service-feedback-interval-seconds";
   1117 
   1118 // Specifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
   1119 // "tls1.2").
   1120 const char kSSLVersionMax[]                 = "ssl-version-max";
   1121 
   1122 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
   1123 // "tls1.2").
   1124 const char kSSLVersionMin[]                 = "ssl-version-min";
   1125 
   1126 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
   1127 // "tls1.2") that TLS fallback will accept.
   1128 const char kSSLVersionFallbackMin[]         = "ssl-version-fallback-min";
   1129 
   1130 // Starts the browser maximized, regardless of any previous settings.
   1131 const char kStartMaximized[]                = "start-maximized";
   1132 
   1133 // Sets the supervised user ID for any loaded or newly created profile to the
   1134 // given value. Pass an empty string to mark the profile as non-supervised.
   1135 // Used for testing.
   1136 const char kSupervisedUserId[]              = "managed-user-id";
   1137 
   1138 // Used to authenticate requests to the Sync service for supervised users.
   1139 // Setting this switch also causes Sync to be set up for a supervised user.
   1140 const char kSupervisedUserSyncToken[]       = "managed-user-sync-token";
   1141 
   1142 // This flag causes sync to retry very quickly (see polling_constants.h) the
   1143 // when it encounters an error, as the first step towards exponential backoff.
   1144 const char kSyncShortInitialRetryOverride[] =
   1145     "sync-short-initial-retry-override";
   1146 
   1147 // Overrides the default server used for profile sync.
   1148 const char kSyncServiceURL[]                = "sync-url";
   1149 
   1150 // Enables deferring sync backend initialization until user initiated changes
   1151 // occur.
   1152 const char kSyncDisableDeferredStartup[]     = "sync-disable-deferred-startup";
   1153 
   1154 // Allows overriding the deferred init fallback timeout.
   1155 const char kSyncDeferredStartupTimeoutSeconds[] =
   1156     "sync-deferred-startup-timeout-seconds";
   1157 
   1158 // Enables feature to avoid unnecessary GetUpdate requests.
   1159 const char kSyncEnableGetUpdateAvoidance[]   =
   1160     "sync-enable-get-update-avoidance";
   1161 
   1162 // Disable data backup when user's not signed in.
   1163 const char kSyncDisableBackup[] = "disable-sync-backup";
   1164 
   1165 // Disable sync rollback.
   1166 const char kSyncDisableRollback[] = "disable-sync-rollback";
   1167 
   1168 // Passes the name of the current running automated test to Chrome.
   1169 const char kTestName[]                      = "test-name";
   1170 
   1171 // Disables same-origin check on HTTP resources pushed via a SPDY proxy.
   1172 // The value is the host:port of the trusted proxy.
   1173 const char kTrustedSpdyProxy[]              = "trusted-spdy-proxy";
   1174 
   1175 // Experimental. Shows a dialog asking the user to try chrome. This flag is to
   1176 // be used only by the upgrade process.
   1177 const char kTryChromeAgain[]                = "try-chrome-again";
   1178 
   1179 // Runs un-installation steps that were done by chrome first-run.
   1180 const char kUninstall[]                     = "uninstall";
   1181 
   1182 // Overrides per-origin quota settings to unlimited storage for any
   1183 // apps/origins.  This should be used only for testing purpose.
   1184 const char kUnlimitedStorage[]              = "unlimited-storage";
   1185 
   1186 // Uses Spdy for the transport protocol instead of HTTP. This is a temporary
   1187 // testing flag.
   1188 const char kUseSpdy[]                       = "use-spdy";
   1189 
   1190 // A string used to override the default user agent with a custom one.
   1191 const char kUserAgent[]                     = "user-agent";
   1192 
   1193 // Specifies the user data directory, which is where the browser will look for
   1194 // all of its state.
   1195 const char kUserDataDir[]                   = "user-data-dir";
   1196 
   1197 // Examines a .crx for validity and prints the result.
   1198 const char kValidateCrx[]                   = "validate-crx";
   1199 
   1200 // Uses experimental simple cache backend if possible.
   1201 const char kUseSimpleCacheBackend[]         = "use-simple-cache-backend";
   1202 
   1203 // Specifies a custom URL for the server which reports variation data to the
   1204 // client. Specifying this switch enables the Variations service on
   1205 // unofficial builds. See variations_service.cc.
   1206 const char kVariationsServerURL[]           = "variations-server-url";
   1207 
   1208 // Prints version information and quits.
   1209 const char kVersion[]                       = "version";
   1210 
   1211 // Specify the initial window position: --window-position=x,y
   1212 const char kWindowPosition[]                = "window-position";
   1213 
   1214 // Specify the initial window size: --window-size=w,h
   1215 const char kWindowSize[]                    = "window-size";
   1216 
   1217 // Uses WinHTTP to fetch and evaluate PAC scripts. Otherwise the default is to
   1218 // use Chromium's network stack to fetch, and V8 to evaluate.
   1219 const char kWinHttpProxyResolver[]          = "winhttp-proxy-resolver";
   1220 
   1221 #if defined(ENABLE_PLUGIN_INSTALLATION)
   1222 // Specifies a custom URL for fetching plug-ins metadata. Used for testing.
   1223 const char kPluginsMetadataServerURL[]      = "plugins-metadata-server-url";
   1224 #endif
   1225 
   1226 #if defined(OS_ANDROID)
   1227 // Disables support for playing videos on Chromecast devices.
   1228 const char kDisableCast[]                    = "disable-cast";
   1229 
   1230 // Disables Contextual Search.
   1231 const char kDisableContextualSearch[]        = "disable-contextual-search";
   1232 
   1233 // Disables zero suggest experiment on Dev channel.
   1234 const char kDisableZeroSuggest[] = "disable-zero-suggest";
   1235 
   1236 // Enable the accessibility tab switcher.
   1237 const char kEnableAccessibilityTabSwitcher[] =
   1238     "enable-accessibility-tab-switcher";
   1239 
   1240 // Enables app install alerts.
   1241 const char kEnableAppInstallAlerts[]        = "enable-app-install-alerts";
   1242 
   1243 // Enables Contextual Search.
   1244 const char kEnableContextualSearch[]        = "enable-contextual-search";
   1245 
   1246 // Enables zero suggest functionality on Dev channel, showing contextual
   1247 // suggestions (EtherSuggest) for http pages and google.com search queries.
   1248 const char kEnableZeroSuggestEtherSerp[] =
   1249     "enable-zero-suggest-ether-serp";
   1250 
   1251 // Enables zero suggest functionality on Dev channel, showing contextual
   1252 // suggestions (EtherSuggest) for http pages.
   1253 const char kEnableZeroSuggestEtherNoSerp[] =
   1254     "enable-zero-suggest-ether-noserp";
   1255 
   1256 // Enables zero suggest functionality on Dev channel, showing most visited
   1257 // sites as default suggestions.
   1258 const char kEnableZeroSuggestMostVisited[] =
   1259     "enable-zero-suggest-most-visited";
   1260 
   1261 // Enables zero suggest functionality on Dev channel, showing recently typed
   1262 // queries as default suggestions.
   1263 const char kEnableZeroSuggestPersonalized[] =
   1264     "enable-zero-suggest-personalized";
   1265 
   1266 // Enables instant search clicks feature.
   1267 const char kEnableInstantSearchClicks[] = "enable-instant-search-clicks";
   1268 
   1269 #endif
   1270 
   1271 #if defined(USE_ASH)
   1272 const char kOpenAsh[]                       = "open-ash";
   1273 #endif
   1274 
   1275 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
   1276 // Specifies which password store to use (detect, default, gnome, kwallet).
   1277 const char kPasswordStore[]                 = "password-store";
   1278 #endif
   1279 
   1280 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   1281 // Triggers migration of user data directory to another directory
   1282 // specified as a parameter. The migration is done under singleton lock,
   1283 // and sanity checks are made to avoid corrupting the profile.
   1284 // The browser exits after migration is complete.
   1285 const char kMigrateDataDirForSxS[]          = "migrate-data-dir-for-sxs";
   1286 #endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
   1287 
   1288 #if defined(OS_MACOSX)
   1289 // Prevents Chrome from quitting when Chrome Apps are open.
   1290 const char kAppsKeepChromeAliveInTests[]    = "apps-keep-chrome-alive-in-tests";
   1291 
   1292 // Forcibly disables Lion-style on newer OSes, to allow developers to test the
   1293 // older, SnowLeopard-style fullscreen.
   1294 const char kDisableSystemFullscreenForTesting[] =
   1295     "disable-system-fullscreen-for-testing";
   1296 
   1297 // Makes the browser window's contentView take up the full size of the
   1298 // window in OSX Yosemite.
   1299 const char kEnableFullSizeContentView[]     = "enable-full-size-content-view";
   1300 
   1301 // A process type (switches::kProcessType) that relaunches the browser. See
   1302 // chrome/browser/mac/relauncher.h.
   1303 const char kRelauncherProcess[]             = "relauncher";
   1304 
   1305 #endif
   1306 
   1307 // Use bubbles for content permissions requests instead of infobars.
   1308 const char kEnablePermissionsBubbles[]      = "enable-permissions-bubbles";
   1309 
   1310 #if defined(OS_WIN)
   1311 // Fallback to XPS. By default connector uses CDD.
   1312 const char kEnableCloudPrintXps[]           = "enable-cloud-print-xps";
   1313 
   1314 // Force-enables the profile shortcut manager. This is needed for tests since
   1315 // they use a custom-user-data-dir which disables this.
   1316 const char kEnableProfileShortcutManager[]  = "enable-profile-shortcut-manager";
   1317 
   1318 // For the DelegateExecute verb handler to launch Chrome in metro mode on
   1319 // Windows 8 and higher.  Used when relaunching metro Chrome.
   1320 const char kForceImmersive[]                = "force-immersive";
   1321 
   1322 // For the DelegateExecute verb handler to launch Chrome in desktop mode on
   1323 // Windows 8 and higher.  Used when relaunching metro Chrome.
   1324 const char kForceDesktop[]                  = "force-desktop";
   1325 
   1326 // Relaunches metro Chrome on Windows 8 and higher using a given shortcut.
   1327 const char kRelaunchShortcut[]              = "relaunch-shortcut";
   1328 
   1329 // Requests that Chrome launch the Metro viewer process via the given appid
   1330 // (which is assumed to be registered as default browser) and synchronously
   1331 // connect to it.
   1332 const char kViewerLaunchViaAppId[]          = "viewer-launch-via-appid";
   1333 
   1334 // Waits for the given handle to be signaled before relaunching metro Chrome on
   1335 // Windows 8 and higher.
   1336 const char kWaitForMutex[]                  = "wait-for-mutex";
   1337 
   1338 // Indicates that chrome was launched to service a search request in Windows 8.
   1339 const char kWindows8Search[]                = "windows8-search";
   1340 #endif
   1341 
   1342 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
   1343 // Enables support to debug printing subsystem.
   1344 const char kDebugPrint[] = "debug-print";
   1345 #endif
   1346 
   1347 #ifndef NDEBUG
   1348 // Enables overriding the path of file manager extension.
   1349 const char kFileManagerExtensionPath[]      = "filemgr-ext-path";
   1350 #endif
   1351 
   1352 bool AboutInSettingsEnabled() {
   1353   return SettingsWindowEnabled() &&
   1354       !CommandLine::ForCurrentProcess()->HasSwitch(
   1355           ::switches::kDisableAboutInSettings);
   1356 }
   1357 
   1358 bool SettingsWindowEnabled() {
   1359 #if defined(OS_CHROMEOS)
   1360   return !CommandLine::ForCurrentProcess()->HasSwitch(
   1361       ::switches::kDisableSettingsWindow);
   1362 #else
   1363   return CommandLine::ForCurrentProcess()->HasSwitch(
   1364       ::switches::kEnableSettingsWindow);
   1365 #endif
   1366 }
   1367 
   1368 // -----------------------------------------------------------------------------
   1369 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
   1370 //
   1371 // You were going to just dump your switches here, weren't you? Instead, please
   1372 // put them in alphabetical order above, or in order inside the appropriate
   1373 // ifdef at the bottom. The order should match the header.
   1374 // -----------------------------------------------------------------------------
   1375 
   1376 }  // namespace switches
   1377