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/browser/chrome_browser_main.h" 6 7 #include <set> 8 #include <string> 9 #include <vector> 10 11 #include "base/at_exit.h" 12 #include "base/bind.h" 13 #include "base/command_line.h" 14 #include "base/debug/crash_logging.h" 15 #include "base/debug/debugger.h" 16 #include "base/debug/trace_event.h" 17 #include "base/files/file_path.h" 18 #include "base/files/file_util.h" 19 #include "base/metrics/field_trial.h" 20 #include "base/metrics/histogram.h" 21 #include "base/path_service.h" 22 #include "base/prefs/json_pref_store.h" 23 #include "base/prefs/pref_registry_simple.h" 24 #include "base/prefs/pref_service.h" 25 #include "base/prefs/pref_value_store.h" 26 #include "base/prefs/scoped_user_pref_update.h" 27 #include "base/process/process_info.h" 28 #include "base/run_loop.h" 29 #include "base/strings/string_number_conversions.h" 30 #include "base/strings/string_piece.h" 31 #include "base/strings/string_split.h" 32 #include "base/strings/sys_string_conversions.h" 33 #include "base/strings/utf_string_conversions.h" 34 #include "base/sys_info.h" 35 #include "base/threading/platform_thread.h" 36 #include "base/time/time.h" 37 #include "base/values.h" 38 #include "build/build_config.h" 39 #include "chrome/browser/about_flags.h" 40 #include "chrome/browser/browser_process.h" 41 #include "chrome/browser/browser_process_impl.h" 42 #include "chrome/browser/browser_process_platform_part.h" 43 #include "chrome/browser/browser_shutdown.h" 44 #include "chrome/browser/chrome_browser_main_extra_parts.h" 45 #include "chrome/browser/component_updater/cld_component_installer.h" 46 #include "chrome/browser/component_updater/ev_whitelist_component_installer.h" 47 #include "chrome/browser/component_updater/flash_component_installer.h" 48 #include "chrome/browser/component_updater/recovery_component_installer.h" 49 #include "chrome/browser/component_updater/swiftshader_component_installer.h" 50 #include "chrome/browser/component_updater/widevine_cdm_component_installer.h" 51 #include "chrome/browser/defaults.h" 52 #include "chrome/browser/first_run/first_run.h" 53 #include "chrome/browser/first_run/upgrade_util.h" 54 #include "chrome/browser/google/google_search_counter.h" 55 #include "chrome/browser/gpu/gl_string_manager.h" 56 #include "chrome/browser/gpu/three_d_api_observer.h" 57 #include "chrome/browser/media/media_capture_devices_dispatcher.h" 58 #include "chrome/browser/metrics/field_trial_synchronizer.h" 59 #include "chrome/browser/metrics/thread_watcher.h" 60 #include "chrome/browser/metrics/variations/variations_service.h" 61 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h" 62 #include "chrome/browser/net/chrome_net_log.h" 63 #include "chrome/browser/net/crl_set_fetcher.h" 64 #include "chrome/browser/notifications/desktop_notification_service.h" 65 #include "chrome/browser/notifications/desktop_notification_service_factory.h" 66 #include "chrome/browser/performance_monitor/performance_monitor.h" 67 #include "chrome/browser/plugins/plugin_prefs.h" 68 #include "chrome/browser/power/process_power_collector.h" 69 #include "chrome/browser/pref_service_flags_storage.h" 70 #include "chrome/browser/prefs/chrome_pref_service_factory.h" 71 #include "chrome/browser/prefs/command_line_pref_store.h" 72 #include "chrome/browser/prefs/pref_metrics_service.h" 73 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h" 74 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h" 75 #include "chrome/browser/process_singleton.h" 76 #include "chrome/browser/profiles/profile.h" 77 #include "chrome/browser/profiles/profile_manager.h" 78 #include "chrome/browser/profiles/profiles_state.h" 79 #include "chrome/browser/shell_integration.h" 80 #include "chrome/browser/translate/translate_service.h" 81 #include "chrome/browser/ui/app_list/app_list_service.h" 82 #include "chrome/browser/ui/browser.h" 83 #include "chrome/browser/ui/browser_finder.h" 84 #include "chrome/browser/ui/host_desktop.h" 85 #include "chrome/browser/ui/startup/bad_flags_prompt.h" 86 #include "chrome/browser/ui/startup/default_browser_prompt.h" 87 #include "chrome/browser/ui/startup/startup_browser_creator.h" 88 #include "chrome/browser/ui/uma_browsing_activity_observer.h" 89 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h" 90 #include "chrome/common/chrome_constants.h" 91 #include "chrome/common/chrome_paths.h" 92 #include "chrome/common/chrome_result_codes.h" 93 #include "chrome/common/chrome_switches.h" 94 #include "chrome/common/crash_keys.h" 95 #include "chrome/common/env_vars.h" 96 #include "chrome/common/logging_chrome.h" 97 #include "chrome/common/net/net_resource_provider.h" 98 #include "chrome/common/pref_names.h" 99 #include "chrome/common/profiling.h" 100 #include "chrome/grit/generated_resources.h" 101 #include "chrome/installer/util/google_update_settings.h" 102 #include "components/component_updater/component_updater_service.h" 103 #include "components/google/core/browser/google_util.h" 104 #include "components/language_usage_metrics/language_usage_metrics.h" 105 #include "components/metrics/metrics_service.h" 106 #include "components/metrics/profiler/tracking_synchronizer.h" 107 #include "components/nacl/browser/nacl_browser.h" 108 #include "components/rappor/rappor_service.h" 109 #include "components/signin/core/common/profile_management_switches.h" 110 #include "components/startup_metric_utils/startup_metric_utils.h" 111 #include "components/translate/content/common/cld_data_source.h" 112 #include "components/translate/core/browser/translate_download_manager.h" 113 #include "components/variations/variations_http_header_provider.h" 114 #include "content/public/browser/browser_thread.h" 115 #include "content/public/browser/notification_observer.h" 116 #include "content/public/browser/notification_registrar.h" 117 #include "content/public/browser/notification_service.h" 118 #include "content/public/browser/notification_types.h" 119 #include "content/public/browser/site_instance.h" 120 #include "content/public/common/content_client.h" 121 #include "content/public/common/content_switches.h" 122 #include "content/public/common/main_function_params.h" 123 #include "grit/platform_locale_settings.h" 124 #include "net/base/net_module.h" 125 #include "net/base/sdch_manager.h" 126 #include "net/cookies/cookie_monster.h" 127 #include "net/http/http_network_layer.h" 128 #include "net/http/http_stream_factory.h" 129 #include "net/url_request/url_request.h" 130 #include "ui/base/l10n/l10n_util.h" 131 #include "ui/base/layout.h" 132 #include "ui/base/resource/resource_bundle.h" 133 #include "ui/strings/grit/app_locale_settings.h" 134 135 #if defined(OS_ANDROID) 136 #include "chrome/browser/metrics/thread_watcher_android.h" 137 #else 138 #include "chrome/browser/feedback/feedback_profile_observer.h" 139 #endif 140 141 #if defined(OS_LINUX) && !defined(OS_CHROMEOS) 142 #include "chrome/browser/first_run/upgrade_util_linux.h" 143 #include "chrome/browser/sxs_linux.h" 144 #endif 145 146 #if defined(OS_CHROMEOS) 147 #include "chrome/browser/chromeos/settings/cros_settings.h" 148 #include "chromeos/chromeos_switches.h" 149 #include "chromeos/settings/cros_settings_names.h" 150 #endif 151 152 // TODO(port): several win-only methods have been pulled out of this, but 153 // BrowserMain() as a whole needs to be broken apart so that it's usable by 154 // other platforms. For now, it's just a stub. This is a serious work in 155 // progress and should not be taken as an indication of a real refactoring. 156 157 #if defined(OS_WIN) 158 #include "base/environment.h" // For PreRead experiment. 159 #include "base/win/windows_version.h" 160 #include "chrome/browser/browser_util_win.h" 161 #include "chrome/browser/chrome_browser_main_win.h" 162 #include "chrome/browser/chrome_select_file_dialog_factory_win.h" 163 #include "chrome/browser/component_updater/sw_reporter_installer_win.h" 164 #include "chrome/browser/first_run/try_chrome_dialog_view.h" 165 #include "chrome/browser/first_run/upgrade_util_win.h" 166 #include "chrome/browser/ui/network_profile_bubble.h" 167 #include "chrome/installer/util/helper.h" 168 #include "chrome/installer/util/install_util.h" 169 #include "chrome/installer/util/shell_util.h" 170 #include "net/base/net_util.h" 171 #include "ui/base/l10n/l10n_util_win.h" 172 #include "ui/gfx/win/dpi.h" 173 #include "ui/shell_dialogs/select_file_dialog.h" 174 #endif // defined(OS_WIN) 175 176 #if defined(OS_MACOSX) 177 #include <Security/Security.h> 178 179 #include "base/mac/scoped_nsautorelease_pool.h" 180 #include "chrome/browser/mac/keystone_glue.h" 181 #endif 182 183 #if !defined(DISABLE_NACL) 184 #include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h" 185 #include "components/nacl/browser/nacl_process_host.h" 186 #endif 187 188 #if defined(ENABLE_EXTENSIONS) 189 #include "chrome/browser/extensions/startup_helper.h" 190 #include "extensions/browser/extension_protocols.h" 191 #endif 192 193 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD) 194 #include "printing/printed_document.h" 195 #endif 196 197 #if defined(ENABLE_RLZ) 198 #include "chrome/browser/rlz/rlz.h" 199 #endif 200 201 #if defined(ENABLE_WEBRTC) 202 #include "chrome/browser/media/webrtc_log_util.h" 203 #endif 204 205 #if defined(USE_AURA) 206 #include "ui/aura/env.h" 207 #endif 208 209 using content::BrowserThread; 210 211 namespace { 212 213 // This function provides some ways to test crash and assertion handling 214 // behavior of the program. 215 void HandleTestParameters(const CommandLine& command_line) { 216 // This parameter causes an assertion. 217 if (command_line.HasSwitch(switches::kBrowserAssertTest)) { 218 DCHECK(false); 219 } 220 221 // This parameter causes a null pointer crash (crash reporter trigger). 222 if (command_line.HasSwitch(switches::kBrowserCrashTest)) { 223 int* bad_pointer = NULL; 224 *bad_pointer = 0; 225 } 226 } 227 228 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) 229 void AddFirstRunNewTabs(StartupBrowserCreator* browser_creator, 230 const std::vector<GURL>& new_tabs) { 231 for (std::vector<GURL>::const_iterator it = new_tabs.begin(); 232 it != new_tabs.end(); ++it) { 233 if (it->is_valid()) 234 browser_creator->AddFirstRunTab(*it); 235 } 236 } 237 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS) 238 239 // Returns the new local state object, guaranteed non-NULL. 240 // |local_state_task_runner| must be a shutdown-blocking task runner. 241 PrefService* InitializeLocalState( 242 base::SequencedTaskRunner* local_state_task_runner, 243 const CommandLine& parsed_command_line) { 244 TRACE_EVENT0("startup", "ChromeBrowserMainParts::InitializeLocalState") 245 base::FilePath local_state_path; 246 PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path); 247 bool local_state_file_exists = base::PathExists(local_state_path); 248 249 // Load local state. This includes the application locale so we know which 250 // locale dll to load. This also causes local state prefs to be registered. 251 PrefService* local_state = g_browser_process->local_state(); 252 DCHECK(local_state); 253 254 #if defined(OS_WIN) 255 if (first_run::IsChromeFirstRun()) { 256 // During first run we read the google_update registry key to find what 257 // language the user selected when downloading the installer. This 258 // becomes our default language in the prefs. 259 // Other platforms obey the system locale. 260 base::string16 install_lang; 261 if (GoogleUpdateSettings::GetLanguage(&install_lang)) { 262 local_state->SetString(prefs::kApplicationLocale, 263 base::UTF16ToASCII(install_lang)); 264 } 265 } 266 #endif // defined(OS_WIN) 267 268 // If the local state file for the current profile doesn't exist and the 269 // parent profile command line flag is present, then we should inherit some 270 // local state from the parent profile. 271 // Checking that the local state file for the current profile doesn't exist 272 // is the most robust way to determine whether we need to inherit or not 273 // since the parent profile command line flag can be present even when the 274 // current profile is not a new one, and in that case we do not want to 275 // inherit and reset the user's setting. 276 // 277 // TODO(mnissler): We should probably just instantiate a 278 // JSONPrefStore here instead of an entire PrefService. Once this is 279 // addressed, the call to browser_prefs::RegisterLocalState can move 280 // to chrome_prefs::CreateLocalState. 281 if (!local_state_file_exists && 282 parsed_command_line.HasSwitch(switches::kParentProfile)) { 283 base::FilePath parent_profile = 284 parsed_command_line.GetSwitchValuePath(switches::kParentProfile); 285 scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple(); 286 scoped_ptr<PrefService> parent_local_state( 287 chrome_prefs::CreateLocalState( 288 parent_profile, 289 local_state_task_runner, 290 g_browser_process->policy_service(), 291 registry, 292 false)); 293 registry->RegisterStringPref(prefs::kApplicationLocale, std::string()); 294 // Right now, we only inherit the locale setting from the parent profile. 295 local_state->SetString( 296 prefs::kApplicationLocale, 297 parent_local_state->GetString(prefs::kApplicationLocale)); 298 } 299 300 #if defined(OS_CHROMEOS) 301 if (parsed_command_line.HasSwitch(chromeos::switches::kLoginManager)) { 302 std::string owner_locale = local_state->GetString(prefs::kOwnerLocale); 303 // Ensure that we start with owner's locale. 304 if (!owner_locale.empty() && 305 local_state->GetString(prefs::kApplicationLocale) != owner_locale && 306 !local_state->IsManagedPreference(prefs::kApplicationLocale)) { 307 local_state->SetString(prefs::kApplicationLocale, owner_locale); 308 } 309 } 310 #endif 311 312 return local_state; 313 } 314 315 // Initializes the primary profile, possibly doing some user prompting to pick 316 // a fallback profile. Returns the newly created profile, or NULL if startup 317 // should not continue. 318 Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters, 319 const base::FilePath& user_data_dir, 320 const CommandLine& parsed_command_line) { 321 TRACE_EVENT0("startup", "ChromeBrowserMainParts::CreateProfile") 322 base::Time start = base::Time::Now(); 323 if (profiles::IsMultipleProfilesEnabled() && 324 parsed_command_line.HasSwitch(switches::kProfileDirectory)) { 325 g_browser_process->local_state()->SetString(prefs::kProfileLastUsed, 326 parsed_command_line.GetSwitchValueASCII(switches::kProfileDirectory)); 327 // Clear kProfilesLastActive since the user only wants to launch a specific 328 // profile. 329 ListPrefUpdate update(g_browser_process->local_state(), 330 prefs::kProfilesLastActive); 331 base::ListValue* profile_list = update.Get(); 332 profile_list->Clear(); 333 } 334 335 Profile* profile = NULL; 336 #if defined(OS_CHROMEOS) || defined(OS_ANDROID) 337 // On ChromeOS and Android the ProfileManager will use the same path as the 338 // one we got passed. GetActiveUserProfile will therefore use the correct path 339 // automatically. 340 DCHECK_EQ(user_data_dir.value(), 341 g_browser_process->profile_manager()->user_data_dir().value()); 342 profile = ProfileManager::GetActiveUserProfile(); 343 #else 344 base::FilePath profile_path = 345 GetStartupProfilePath(user_data_dir, parsed_command_line); 346 347 // Without NewAvatarMenu, replace guest with any existing profile. 348 if (!switches::IsNewAvatarMenu() && 349 profile_path == ProfileManager::GetGuestProfilePath()) { 350 profile_path = g_browser_process->profile_manager()->GetProfileInfoCache(). 351 GetPathOfProfileAtIndex(0); 352 } 353 profile = g_browser_process->profile_manager()->GetProfile( 354 profile_path); 355 356 // If we're using the --new-profile-management flag and this profile is 357 // signed out, then we should show the user manager instead. By switching 358 // the active profile to the guest profile we ensure that no 359 // browser windows will be opened for the guest profile. 360 if (switches::IsNewProfileManagement() && !profile->IsGuestSession()) { 361 ProfileInfoCache& cache = 362 g_browser_process->profile_manager()->GetProfileInfoCache(); 363 size_t profile_index = cache.GetIndexOfProfileWithPath(profile_path); 364 365 if (cache.ProfileIsSigninRequiredAtIndex(profile_index)) 366 profile = g_browser_process->profile_manager()->GetProfile( 367 ProfileManager::GetGuestProfilePath()); 368 } 369 #endif 370 if (profile) { 371 UMA_HISTOGRAM_LONG_TIMES( 372 "Startup.CreateFirstProfile", base::Time::Now() - start); 373 return profile; 374 } 375 376 #if !defined(OS_WIN) 377 // TODO(port): fix this. See comments near the definition of 378 // user_data_dir. It is better to CHECK-fail here than it is to 379 // silently exit because of missing code in the above test. 380 CHECK(profile) << "Cannot get default profile."; 381 #endif 382 383 return NULL; 384 } 385 386 #if defined(OS_MACOSX) 387 OSStatus KeychainCallback(SecKeychainEvent keychain_event, 388 SecKeychainCallbackInfo* info, void* context) { 389 return noErr; 390 } 391 #endif 392 393 void RegisterComponentsForUpdate() { 394 component_updater::ComponentUpdateService* cus = 395 g_browser_process->component_updater(); 396 397 // Registration can be before or after cus->Start() so it is ok to post 398 // a task to the UI thread to do registration once you done the necessary 399 // file IO to know you existing component version. 400 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) 401 RegisterRecoveryComponent(cus, g_browser_process->local_state()); 402 RegisterPepperFlashComponent(cus); 403 RegisterSwiftShaderComponent(cus); 404 RegisterWidevineCdmComponent(cus); 405 #if !defined(DISABLE_NACL) 406 g_browser_process->pnacl_component_installer()->RegisterPnaclComponent(cus); 407 #endif 408 #endif 409 410 if (translate::CldDataSource::ShouldRegisterForComponentUpdates()) { 411 RegisterCldComponent(cus); 412 } 413 414 base::FilePath path; 415 if (PathService::Get(chrome::DIR_USER_DATA, &path)) { 416 #if defined(OS_ANDROID) 417 // The CRLSet component was enabled for some releases. This code attempts to 418 // delete it from the local disk of those how may have downloaded it. 419 g_browser_process->crl_set_fetcher()->DeleteFromDisk(path); 420 #elif !defined(OS_CHROMEOS) 421 // CRLSetFetcher attempts to load a CRL set from either the local disk or 422 // network. 423 // For Chrome OS this registration is delayed until user login. 424 g_browser_process->crl_set_fetcher()->StartInitialLoad(cus, path); 425 #endif 426 } 427 428 #if !defined(OS_ANDROID) 429 // Android does not currently have the EV indicator. No need to get the 430 // EV certs whitelist on Android, then. 431 RegisterEVWhitelistComponent(cus); 432 #endif 433 434 #if defined(OS_WIN) 435 RegisterSwReporterComponent(cus, g_browser_process->local_state()); 436 #endif 437 438 cus->Start(); 439 } 440 441 #if !defined(OS_ANDROID) 442 bool ProcessSingletonNotificationCallback( 443 const CommandLine& command_line, 444 const base::FilePath& current_directory) { 445 // Drop the request if the browser process is already in shutdown path. 446 if (!g_browser_process || g_browser_process->IsShuttingDown()) 447 return false; 448 449 if (command_line.HasSwitch(switches::kOriginalProcessStartTime)) { 450 std::string start_time_string = 451 command_line.GetSwitchValueASCII(switches::kOriginalProcessStartTime); 452 int64 remote_start_time; 453 if (base::StringToInt64(start_time_string, &remote_start_time)) { 454 base::TimeDelta elapsed = 455 base::Time::Now() - base::Time::FromInternalValue(remote_start_time); 456 if (command_line.HasSwitch(switches::kFastStart)) { 457 UMA_HISTOGRAM_LONG_TIMES( 458 "Startup.WarmStartTimeFromRemoteProcessStartFast", elapsed); 459 } else { 460 UMA_HISTOGRAM_LONG_TIMES( 461 "Startup.WarmStartTimeFromRemoteProcessStart", elapsed); 462 } 463 } 464 } 465 466 g_browser_process->platform_part()->PlatformSpecificCommandLineProcessing( 467 command_line); 468 469 base::FilePath user_data_dir = 470 g_browser_process->profile_manager()->user_data_dir(); 471 base::FilePath startup_profile_dir = 472 GetStartupProfilePath(user_data_dir, command_line); 473 474 StartupBrowserCreator::ProcessCommandLineAlreadyRunning( 475 command_line, current_directory, startup_profile_dir); 476 return true; 477 } 478 #endif // !defined(OS_ANDROID) 479 480 void LaunchDevToolsHandlerIfNeeded(const CommandLine& command_line) { 481 if (command_line.HasSwitch(::switches::kRemoteDebuggingPort)) { 482 std::string port_str = 483 command_line.GetSwitchValueASCII(::switches::kRemoteDebuggingPort); 484 int port; 485 if (base::StringToInt(port_str, &port) && port >= 0 && port < 65535) { 486 g_browser_process->CreateDevToolsHttpProtocolHandler( 487 chrome::HOST_DESKTOP_TYPE_NATIVE, 488 "127.0.0.1", 489 port); 490 } else { 491 DLOG(WARNING) << "Invalid http debugger port number " << port; 492 } 493 } 494 } 495 496 // Heap allocated class that listens for first page load, kicks off stat 497 // recording and then deletes itself. 498 class LoadCompleteListener : public content::NotificationObserver { 499 public: 500 LoadCompleteListener() { 501 registrar_.Add(this, 502 content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME, 503 content::NotificationService::AllSources()); 504 } 505 virtual ~LoadCompleteListener() {} 506 507 // content::NotificationObserver implementation. 508 virtual void Observe(int type, 509 const content::NotificationSource& source, 510 const content::NotificationDetails& details) OVERRIDE { 511 DCHECK_EQ(content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME, type); 512 startup_metric_utils::OnInitialPageLoadComplete(); 513 delete this; 514 } 515 516 private: 517 content::NotificationRegistrar registrar_; 518 DISALLOW_COPY_AND_ASSIGN(LoadCompleteListener); 519 }; 520 521 } // namespace 522 523 namespace chrome_browser { 524 525 // This error message is not localized because we failed to load the 526 // localization data files. 527 #if defined(OS_WIN) 528 const char kMissingLocaleDataTitle[] = "Missing File Error"; 529 #endif 530 531 #if defined(OS_WIN) 532 // TODO(port) This should be used on Linux Aura as well. http://crbug.com/338969 533 const char kMissingLocaleDataMessage[] = 534 "Unable to find locale data files. Please reinstall."; 535 #endif 536 537 } // namespace chrome_browser 538 539 // BrowserMainParts ------------------------------------------------------------ 540 541 // static 542 bool ChromeBrowserMainParts::disable_enforcing_cookie_policies_for_tests_ = 543 false; 544 545 ChromeBrowserMainParts::ChromeBrowserMainParts( 546 const content::MainFunctionParams& parameters) 547 : parameters_(parameters), 548 parsed_command_line_(parameters.command_line), 549 result_code_(content::RESULT_CODE_NORMAL_EXIT), 550 startup_watcher_(new StartupTimeBomb()), 551 shutdown_watcher_(new ShutdownWatcherHelper()), 552 browser_field_trials_(parameters.command_line), 553 profile_(NULL), 554 run_message_loop_(true), 555 notify_result_(ProcessSingleton::PROCESS_NONE), 556 local_state_(NULL), 557 restart_last_session_(false) { 558 // If we're running tests (ui_task is non-null). 559 if (parameters.ui_task) 560 browser_defaults::enable_help_app = false; 561 562 // Chrome disallows cookies by default. All code paths that want to use 563 // cookies need to go through one of Chrome's URLRequestContexts which have 564 // a ChromeNetworkDelegate attached that selectively allows cookies again. 565 if (!disable_enforcing_cookie_policies_for_tests_) 566 net::URLRequest::SetDefaultCookiePolicyToBlock(); 567 } 568 569 ChromeBrowserMainParts::~ChromeBrowserMainParts() { 570 for (int i = static_cast<int>(chrome_extra_parts_.size())-1; i >= 0; --i) 571 delete chrome_extra_parts_[i]; 572 chrome_extra_parts_.clear(); 573 } 574 575 // This will be called after the command-line has been mutated by about:flags 576 void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() { 577 TRACE_EVENT0("startup", "ChromeBrowserMainParts::SetupMetricsAndFieldTrials"); 578 // Must initialize metrics after labs have been converted into switches, 579 // but before field trials are set up (so that client ID is available for 580 // one-time randomized field trials). 581 582 // Initialize FieldTrialList to support FieldTrials that use one-time 583 // randomization. 584 metrics::MetricsService* metrics = browser_process_->metrics_service(); 585 field_trial_list_.reset( 586 new base::FieldTrialList(metrics->CreateEntropyProvider().release())); 587 588 const CommandLine* command_line = CommandLine::ForCurrentProcess(); 589 if (command_line->HasSwitch(switches::kEnableBenchmarking)) 590 base::FieldTrial::EnableBenchmarking(); 591 592 // Ensure any field trials specified on the command line are initialized. 593 if (command_line->HasSwitch(switches::kForceFieldTrials)) { 594 std::set<std::string> unforceable_field_trials; 595 #if defined(OFFICIAL_BUILD) 596 unforceable_field_trials.insert("SettingsEnforcement"); 597 #endif // defined(OFFICIAL_BUILD) 598 599 // Create field trials without activating them, so that this behaves in a 600 // consistent manner with field trials created from the server. 601 bool result = base::FieldTrialList::CreateTrialsFromString( 602 command_line->GetSwitchValueASCII(switches::kForceFieldTrials), 603 base::FieldTrialList::DONT_ACTIVATE_TRIALS, 604 unforceable_field_trials); 605 CHECK(result) << "Invalid --" << switches::kForceFieldTrials 606 << " list specified."; 607 } 608 if (command_line->HasSwitch(switches::kForceVariationIds)) { 609 // Create default variation ids which will always be included in the 610 // X-Client-Data request header. 611 variations::VariationsHttpHeaderProvider* provider = 612 variations::VariationsHttpHeaderProvider::GetInstance(); 613 bool result = provider->SetDefaultVariationIds( 614 command_line->GetSwitchValueASCII(switches::kForceVariationIds)); 615 CHECK(result) << "Invalid --" << switches::kForceVariationIds 616 << " list specified."; 617 } 618 chrome_variations::VariationsService* variations_service = 619 browser_process_->variations_service(); 620 if (variations_service) 621 variations_service->CreateTrialsFromSeed(); 622 623 // This must be called after |local_state_| is initialized. 624 browser_field_trials_.SetupFieldTrials( 625 base::Time::FromTimeT(metrics->GetInstallDate()), local_state_); 626 627 // Initialize FieldTrialSynchronizer system. This is a singleton and is used 628 // for posting tasks via base::Bind. Its deleted when it goes out of scope. 629 // Even though base::Bind does AddRef and Release, the object will not be 630 // deleted after the Task is executed. 631 field_trial_synchronizer_ = new FieldTrialSynchronizer(); 632 633 // Now that field trials have been created, initializes metrics recording. 634 metrics->InitializeMetricsRecordingState(); 635 } 636 637 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related -------------- 638 639 void ChromeBrowserMainParts::StartMetricsRecording() { 640 TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording"); 641 metrics::MetricsService* metrics = g_browser_process->metrics_service(); 642 643 const bool only_do_metrics_recording = 644 parsed_command_line_.HasSwitch(switches::kMetricsRecordingOnly) || 645 parsed_command_line_.HasSwitch(switches::kEnableBenchmarking); 646 if (only_do_metrics_recording) { 647 // If we're testing then we don't care what the user preference is, we turn 648 // on recording, but not reporting, otherwise tests fail. 649 metrics->StartRecordingForTests(); 650 return; 651 } 652 653 metrics->CheckForClonedInstall( 654 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)); 655 const bool metrics_enabled = metrics->StartIfMetricsReportingEnabled(); 656 // TODO(asvitkine): Since this function is not run on Android, RAPPOR is 657 // currently disabled there. http://crbug.com/370041 658 browser_process_->rappor_service()->Start( 659 browser_process_->system_request_context(), 660 metrics_enabled); 661 } 662 663 void ChromeBrowserMainParts::RecordBrowserStartupTime() { 664 // Don't record any metrics if UI was displayed before this point e.g. 665 // warning dialogs. 666 if (startup_metric_utils::WasNonBrowserUIDisplayed()) 667 return; 668 669 #if defined(OS_ANDROID) 670 // On Android the first run is handled in Java code, and the C++ side of 671 // Chrome doesn't know if this is the first run. This will cause some 672 // inaccuracy in the UMA statistics, but this should be minor (first runs are 673 // rare). 674 bool is_first_run = false; 675 #else 676 bool is_first_run = first_run::IsChromeFirstRun(); 677 #endif 678 679 // CurrentProcessInfo::CreationTime() is currently only implemented on some 680 // platforms. 681 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 682 const base::Time process_creation_time = 683 base::CurrentProcessInfo::CreationTime(); 684 685 if (!is_first_run && !process_creation_time.is_null()) { 686 base::TimeDelta delay = base::Time::Now() - process_creation_time; 687 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserMessageLoopStartTime", delay); 688 } 689 #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 690 691 // Record collected startup metrics. 692 startup_metric_utils::OnBrowserStartupComplete(is_first_run); 693 694 // Deletes self. 695 new LoadCompleteListener(); 696 } 697 698 // ----------------------------------------------------------------------------- 699 // TODO(viettrungluu): move more/rest of BrowserMain() into BrowserMainParts. 700 701 #if defined(OS_WIN) 702 #define DLLEXPORT __declspec(dllexport) 703 704 // We use extern C for the prototype DLLEXPORT to avoid C++ name mangling. 705 extern "C" { 706 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded(); 707 } 708 709 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded() { 710 // Need an instance of AtExitManager to handle singleton creations and 711 // deletions. We need this new instance because, the old instance created 712 // in ChromeMain() got destructed when the function returned. 713 base::AtExitManager exit_manager; 714 upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded(); 715 } 716 #endif 717 718 // content::BrowserMainParts implementation ------------------------------------ 719 720 void ChromeBrowserMainParts::PreEarlyInitialization() { 721 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreEarlyInitialization"); 722 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 723 chrome_extra_parts_[i]->PreEarlyInitialization(); 724 } 725 726 void ChromeBrowserMainParts::PostEarlyInitialization() { 727 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostEarlyInitialization"); 728 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 729 chrome_extra_parts_[i]->PostEarlyInitialization(); 730 } 731 732 void ChromeBrowserMainParts::ToolkitInitialized() { 733 TRACE_EVENT0("startup", "ChromeBrowserMainParts::ToolkitInitialized"); 734 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 735 chrome_extra_parts_[i]->ToolkitInitialized(); 736 } 737 738 void ChromeBrowserMainParts::PreMainMessageLoopStart() { 739 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopStart"); 740 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 741 chrome_extra_parts_[i]->PreMainMessageLoopStart(); 742 } 743 744 void ChromeBrowserMainParts::PostMainMessageLoopStart() { 745 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopStart"); 746 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 747 chrome_extra_parts_[i]->PostMainMessageLoopStart(); 748 } 749 750 int ChromeBrowserMainParts::PreCreateThreads() { 751 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreads"); 752 result_code_ = PreCreateThreadsImpl(); 753 754 if (result_code_ == content::RESULT_CODE_NORMAL_EXIT) { 755 #if !defined(OS_ANDROID) 756 // These members must be initialized before exiting this function normally. 757 DCHECK(master_prefs_.get()); 758 DCHECK(browser_creator_.get()); 759 #endif 760 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 761 chrome_extra_parts_[i]->PreCreateThreads(); 762 } 763 764 return result_code_; 765 } 766 767 int ChromeBrowserMainParts::PreCreateThreadsImpl() { 768 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl") 769 run_message_loop_ = false; 770 #if !defined(OS_ANDROID) 771 chrome::MaybeShowInvalidUserDataDirWarningDialog(); 772 #endif 773 if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_)) 774 return chrome::RESULT_CODE_MISSING_DATA; 775 776 // Force MediaCaptureDevicesDispatcher to be created on UI thread. 777 MediaCaptureDevicesDispatcher::GetInstance(); 778 779 // Android's first run is done in Java instead of native. 780 #if !defined(OS_ANDROID) 781 process_singleton_.reset(new ChromeProcessSingleton( 782 user_data_dir_, base::Bind(&ProcessSingletonNotificationCallback))); 783 784 // Cache first run state early. 785 first_run::IsChromeFirstRun(); 786 #endif 787 788 scoped_refptr<base::SequencedTaskRunner> local_state_task_runner = 789 JsonPrefStore::GetTaskRunnerForFile( 790 base::FilePath(chrome::kLocalStorePoolName), 791 BrowserThread::GetBlockingPool()); 792 793 { 794 TRACE_EVENT0("startup", 795 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitBrowswerProcessImpl"); 796 browser_process_.reset(new BrowserProcessImpl(local_state_task_runner.get(), 797 parsed_command_line())); 798 } 799 800 if (parsed_command_line().HasSwitch(switches::kEnableProfiling)) { 801 TRACE_EVENT0("startup", 802 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitProfiling"); 803 // User wants to override default tracking status. 804 std::string flag = 805 parsed_command_line().GetSwitchValueASCII(switches::kEnableProfiling); 806 // Default to basic profiling (no parent child support). 807 tracked_objects::ThreadData::Status status = 808 tracked_objects::ThreadData::PROFILING_ACTIVE; 809 if (flag.compare("0") != 0) 810 status = tracked_objects::ThreadData::DEACTIVATED; 811 else if (flag.compare("child") != 0) 812 status = tracked_objects::ThreadData::PROFILING_CHILDREN_ACTIVE; 813 tracked_objects::ThreadData::InitializeAndSetTrackingStatus(status); 814 } 815 816 if (parsed_command_line().HasSwitch(switches::kProfilingOutputFile)) { 817 tracking_objects_.set_output_file_path( 818 parsed_command_line().GetSwitchValuePath( 819 switches::kProfilingOutputFile)); 820 } 821 822 local_state_ = InitializeLocalState( 823 local_state_task_runner.get(), parsed_command_line()); 824 825 #if !defined(OS_ANDROID) 826 // These members must be initialized before returning from this function. 827 master_prefs_.reset(new first_run::MasterPrefs); 828 // Android doesn't use StartupBrowserCreator. 829 browser_creator_.reset(new StartupBrowserCreator); 830 // TODO(yfriedman): Refactor Android to re-use UMABrowsingActivityObserver 831 chrome::UMABrowsingActivityObserver::Init(); 832 #endif 833 834 #if !defined(OS_CHROMEOS) 835 // Convert active labs into switches. This needs to be done before 836 // ResourceBundle::InitSharedInstanceWithLocale as some loaded resources are 837 // affected by experiment flags (--touch-optimized-ui in particular). 838 // On ChromeOS system level flags are applied from the device settings from 839 // the session manager. 840 { 841 TRACE_EVENT0("startup", 842 "ChromeBrowserMainParts::PreCreateThreadsImpl:ConvertFlags"); 843 about_flags::PrefServiceFlagsStorage flags_storage_( 844 g_browser_process->local_state()); 845 about_flags::ConvertFlagsToSwitches(&flags_storage_, 846 CommandLine::ForCurrentProcess(), 847 about_flags::kAddSentinels); 848 } 849 #endif 850 851 local_state_->UpdateCommandLinePrefStore( 852 new CommandLinePrefStore(CommandLine::ForCurrentProcess())); 853 854 // Reset the command line in the crash report details, since we may have 855 // just changed it to include experiments. 856 crash_keys::SetSwitchesFromCommandLine(CommandLine::ForCurrentProcess()); 857 858 // Mac starts it earlier in |PreMainMessageLoopStart()| (because it is 859 // needed when loading the MainMenu.nib and the language doesn't depend on 860 // anything since it comes from Cocoa. 861 #if defined(OS_MACOSX) 862 std::string locale = 863 parameters().ui_task ? "en-US" : l10n_util::GetLocaleOverride(); 864 browser_process_->SetApplicationLocale(locale); 865 #else 866 const std::string locale = 867 local_state_->GetString(prefs::kApplicationLocale); 868 869 // On a POSIX OS other than ChromeOS, the parameter that is passed to the 870 // method InitSharedInstance is ignored. 871 872 TRACE_EVENT_BEGIN0("startup", 873 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle"); 874 const std::string loaded_locale = 875 ui::ResourceBundle::InitSharedInstanceWithLocale( 876 locale, NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES); 877 TRACE_EVENT_END0("startup", 878 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle"); 879 880 if (loaded_locale.empty() && 881 !parsed_command_line().HasSwitch(switches::kNoErrorDialogs)) { 882 ShowMissingLocaleMessageBox(); 883 return chrome::RESULT_CODE_MISSING_DATA; 884 } 885 CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale; 886 browser_process_->SetApplicationLocale(loaded_locale); 887 888 base::FilePath resources_pack_path; 889 PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path); 890 { 891 TRACE_EVENT0("startup", 892 "ChromeBrowserMainParts::PreCreateThreadsImpl:AddDataPack"); 893 ResourceBundle::GetSharedInstance().AddDataPackFromPath( 894 resources_pack_path, ui::SCALE_FACTOR_NONE); 895 } 896 #endif // defined(OS_MACOSX) 897 898 // Android does first run in Java instead of native. 899 // Chrome OS has its own out-of-box-experience code. 900 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) 901 // On first run, we need to process the predictor preferences before the 902 // browser's profile_manager object is created, but after ResourceBundle 903 // is initialized. 904 if (first_run::IsChromeFirstRun()) { 905 first_run::ProcessMasterPreferencesResult pmp_result = 906 first_run::ProcessMasterPreferences(user_data_dir_, 907 master_prefs_.get()); 908 if (pmp_result == first_run::EULA_EXIT_NOW) 909 return chrome::RESULT_CODE_EULA_REFUSED; 910 911 if (!parsed_command_line().HasSwitch(switches::kApp) && 912 !parsed_command_line().HasSwitch(switches::kAppId) && 913 !parsed_command_line().HasSwitch(switches::kShowAppList)) { 914 AddFirstRunNewTabs(browser_creator_.get(), master_prefs_->new_tabs); 915 } 916 917 // TODO(macourteau): refactor preferences that are copied from 918 // master_preferences into local_state, as a "local_state" section in 919 // master preferences. If possible, a generic solution would be preferred 920 // over a copy one-by-one of specific preferences. Also see related TODO 921 // in first_run.h. 922 923 // Store the initial VariationsService seed in local state, if it exists 924 // in master prefs. 925 if (!master_prefs_->variations_seed.empty()) { 926 local_state_->SetString(prefs::kVariationsSeed, 927 master_prefs_->variations_seed); 928 if (!master_prefs_->variations_seed_signature.empty()) { 929 local_state_->SetString(prefs::kVariationsSeedSignature, 930 master_prefs_->variations_seed_signature); 931 } 932 // Set the variation seed date to the current system time. If the user's 933 // clock is incorrect, this may cause some field trial expiry checks to 934 // not do the right thing until the next seed update from the server, 935 // when this value will be updated. 936 local_state_->SetInt64(prefs::kVariationsSeedDate, 937 base::Time::Now().ToInternalValue()); 938 } 939 940 if (!master_prefs_->suppress_default_browser_prompt_for_version.empty()) { 941 local_state_->SetString( 942 prefs::kBrowserSuppressDefaultBrowserPrompt, 943 master_prefs_->suppress_default_browser_prompt_for_version); 944 } 945 946 AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->HandleFirstRun(); 947 } 948 #endif 949 950 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX) 951 // Set the product channel for crash reports. 952 base::debug::SetCrashKeyValue(crash_keys::kChannel, 953 chrome::VersionInfo::GetVersionStringModifier()); 954 #endif 955 956 // Initialize tracking synchronizer system. 957 tracking_synchronizer_ = new metrics::TrackingSynchronizer(); 958 959 #if defined(OS_MACOSX) 960 // Get the Keychain API to register for distributed notifications on the main 961 // thread, which has a proper CFRunloop, instead of later on the I/O thread, 962 // which doesn't. This ensures those notifications will get delivered 963 // properly. See issue 37766. 964 // (Note that the callback mask here is empty. I don't want to register for 965 // any callbacks, I just want to initialize the mechanism.) 966 SecKeychainAddCallback(&KeychainCallback, 0, NULL); 967 #endif 968 969 #if defined(OS_CHROMEOS) 970 // Must be done after g_browser_process is constructed, before 971 // SetupMetricsAndFieldTrials(). 972 chromeos::CrosSettings::Initialize(); 973 #endif 974 975 // Now the command line has been mutated based on about:flags, we can setup 976 // metrics and initialize field trials. The field trials are needed by 977 // IOThread's initialization which happens in BrowserProcess:PreCreateThreads. 978 SetupMetricsAndFieldTrials(); 979 980 // ChromeOS needs ResourceBundle::InitSharedInstance to be called before this. 981 browser_process_->PreCreateThreads(); 982 983 return content::RESULT_CODE_NORMAL_EXIT; 984 } 985 986 void ChromeBrowserMainParts::PreMainMessageLoopRun() { 987 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRun"); 988 result_code_ = PreMainMessageLoopRunImpl(); 989 990 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 991 chrome_extra_parts_[i]->PreMainMessageLoopRun(); 992 } 993 994 // PreMainMessageLoopRun calls these extra stages in the following order: 995 // PreMainMessageLoopRunImpl() 996 // ... initial setup, including browser_process_ setup. 997 // PreProfileInit() 998 // ... additional setup, including CreateProfile() 999 // PostProfileInit() 1000 // ... additional setup 1001 // PreBrowserStart() 1002 // ... browser_creator_->Start (OR parameters().ui_task->Run()) 1003 // PostBrowserStart() 1004 1005 void ChromeBrowserMainParts::PreProfileInit() { 1006 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreProfileInit"); 1007 1008 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 1009 chrome_extra_parts_[i]->PreProfileInit(); 1010 1011 #if !defined(OS_ANDROID) 1012 // Initialize the feedback uploader so it can setup notifications for profile 1013 // creation. 1014 feedback::FeedbackProfileObserver::Initialize(); 1015 1016 ProfileManager* profile_manager = g_browser_process->profile_manager(); 1017 1018 // First check if any ephemeral profiles are left behind because of browser 1019 // crash and schedule them for deletion and then proceed with getting the set 1020 // of profiles to open. 1021 ProfileInfoCache& profile_cache = profile_manager->GetProfileInfoCache(); 1022 size_t profiles_count = profile_cache.GetNumberOfProfiles(); 1023 std::vector<base::FilePath> profiles_to_delete; 1024 for (size_t i = 0; i < profiles_count; ++i) { 1025 if (profile_cache.ProfileIsEphemeralAtIndex(i)) 1026 profiles_to_delete.push_back(profile_cache.GetPathOfProfileAtIndex(i)); 1027 } 1028 1029 if (profiles_to_delete.size()) { 1030 for (size_t i = 0; i < profiles_to_delete.size(); ++i) { 1031 profile_manager->ScheduleProfileForDeletion( 1032 profiles_to_delete[i], ProfileManager::CreateCallback()); 1033 } 1034 // Clean up stale profiles immediately after browser start. 1035 BrowserThread::PostTask( 1036 BrowserThread::FILE, FROM_HERE, 1037 base::Bind(&ProfileManager::CleanUpStaleProfiles, profiles_to_delete)); 1038 } 1039 #endif // OS_ANDROID 1040 } 1041 1042 void ChromeBrowserMainParts::PostProfileInit() { 1043 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostProfileInit"); 1044 LaunchDevToolsHandlerIfNeeded(parsed_command_line()); 1045 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 1046 chrome_extra_parts_[i]->PostProfileInit(); 1047 } 1048 1049 void ChromeBrowserMainParts::PreBrowserStart() { 1050 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreBrowserStart"); 1051 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 1052 chrome_extra_parts_[i]->PreBrowserStart(); 1053 1054 three_d_observer_.reset(new ThreeDAPIObserver()); 1055 } 1056 1057 void ChromeBrowserMainParts::PostBrowserStart() { 1058 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostBrowserStart"); 1059 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 1060 chrome_extra_parts_[i]->PostBrowserStart(); 1061 #if !defined(OS_ANDROID) 1062 // Allow ProcessSingleton to process messages. 1063 process_singleton_->Unlock(); 1064 #endif 1065 #if defined(ENABLE_WEBRTC) 1066 // Set up a task to delete old WebRTC log files for all profiles. Use a delay 1067 // to reduce the impact on startup time. 1068 BrowserThread::PostDelayedTask( 1069 BrowserThread::UI, 1070 FROM_HERE, 1071 base::Bind(&WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles), 1072 base::TimeDelta::FromMinutes(1)); 1073 #endif 1074 } 1075 1076 int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() { 1077 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl"); 1078 // Android updates the metrics service dynamically depending on whether the 1079 // application is in the foreground or not. Do not start here. 1080 #if !defined(OS_ANDROID) 1081 // Now that the file thread has been started, start recording. 1082 StartMetricsRecording(); 1083 #endif 1084 1085 // Create watchdog thread after creating all other threads because it will 1086 // watch the other threads and they must be running. 1087 browser_process_->watchdog_thread(); 1088 1089 // Do any initializating in the browser process that requires all threads 1090 // running. 1091 browser_process_->PreMainMessageLoopRun(); 1092 1093 // Record last shutdown time into a histogram. 1094 browser_shutdown::ReadLastShutdownInfo(); 1095 1096 #if defined(OS_WIN) 1097 // On Windows, we use our startup as an opportunity to do upgrade/uninstall 1098 // tasks. Those care whether the browser is already running. On Linux/Mac, 1099 // upgrade/uninstall happen separately. 1100 bool already_running = browser_util::IsBrowserAlreadyRunning(); 1101 1102 // If the command line specifies 'uninstall' then we need to work here 1103 // unless we detect another chrome browser running. 1104 if (parsed_command_line().HasSwitch(switches::kUninstall)) { 1105 return DoUninstallTasks(already_running); 1106 } 1107 1108 if (parsed_command_line().HasSwitch(switches::kHideIcons) || 1109 parsed_command_line().HasSwitch(switches::kShowIcons)) { 1110 return ChromeBrowserMainPartsWin::HandleIconsCommands( 1111 parsed_command_line_); 1112 } 1113 1114 ui::SelectFileDialog::SetFactory(new ChromeSelectFileDialogFactory( 1115 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO))); 1116 #endif 1117 1118 if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) { 1119 return ShellIntegration::SetAsDefaultBrowser() ? 1120 static_cast<int>(content::RESULT_CODE_NORMAL_EXIT) : 1121 static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED); 1122 } 1123 1124 #if defined(USE_AURA) 1125 // Make sure aura::Env has been initialized. 1126 CHECK(aura::Env::GetInstance()); 1127 #endif 1128 1129 // Android doesn't support extensions and doesn't implement ProcessSingleton. 1130 #if !defined(OS_ANDROID) 1131 // If the command line specifies --pack-extension, attempt the pack extension 1132 // startup action and exit. 1133 if (parsed_command_line().HasSwitch(switches::kPackExtension)) { 1134 extensions::StartupHelper extension_startup_helper; 1135 if (extension_startup_helper.PackExtension(parsed_command_line())) 1136 return content::RESULT_CODE_NORMAL_EXIT; 1137 return chrome::RESULT_CODE_PACK_EXTENSION_ERROR; 1138 } 1139 1140 // If we're being launched just to check the connector policy, we are 1141 // short-lived and don't want to be passing that switch off. 1142 bool pass_command_line = !parsed_command_line().HasSwitch( 1143 switches::kCheckCloudPrintConnectorPolicy); 1144 1145 if (pass_command_line) { 1146 // When another process is running, use that process instead of starting a 1147 // new one. NotifyOtherProcess will currently give the other process up to 1148 // 20 seconds to respond. Note that this needs to be done before we attempt 1149 // to read the profile. 1150 notify_result_ = process_singleton_->NotifyOtherProcessOrCreate(); 1151 switch (notify_result_) { 1152 case ProcessSingleton::PROCESS_NONE: 1153 // No process already running, fall through to starting a new one. 1154 break; 1155 1156 case ProcessSingleton::PROCESS_NOTIFIED: 1157 #if defined(OS_POSIX) && !defined(OS_MACOSX) 1158 printf("%s\n", base::SysWideToNativeMB(base::UTF16ToWide( 1159 l10n_util::GetStringUTF16(IDS_USED_EXISTING_BROWSER))).c_str()); 1160 #endif 1161 // Having a differentiated return type for testing allows for tests to 1162 // verify proper handling of some switches. When not testing, stick to 1163 // the standard Unix convention of returning zero when things went as 1164 // expected. 1165 if (parsed_command_line().HasSwitch(switches::kTestType)) 1166 return chrome::RESULT_CODE_NORMAL_EXIT_PROCESS_NOTIFIED; 1167 return content::RESULT_CODE_NORMAL_EXIT; 1168 1169 case ProcessSingleton::PROFILE_IN_USE: 1170 return chrome::RESULT_CODE_PROFILE_IN_USE; 1171 1172 case ProcessSingleton::LOCK_ERROR: 1173 LOG(ERROR) << "Failed to create a ProcessSingleton for your profile " 1174 "directory. This means that running multiple instances " 1175 "would start multiple browser processes rather than " 1176 "opening a new window in the existing process. Aborting " 1177 "now to avoid profile corruption."; 1178 return chrome::RESULT_CODE_PROFILE_IN_USE; 1179 1180 default: 1181 NOTREACHED(); 1182 } 1183 } 1184 #endif // !defined(OS_ANDROID) 1185 1186 // Handle special early return paths (which couldn't be processed even earlier 1187 // as they require the process singleton to be held) first. 1188 1189 std::string try_chrome = 1190 parsed_command_line().GetSwitchValueASCII(switches::kTryChromeAgain); 1191 if (!try_chrome.empty()) { 1192 #if defined(OS_WIN) 1193 // Setup.exe has determined that we need to run a retention experiment 1194 // and has lauched chrome to show the experiment UI. It is guaranteed that 1195 // no other Chrome is currently running as the process singleton was 1196 // sucessfully grabbed above. 1197 int try_chrome_int; 1198 base::StringToInt(try_chrome, &try_chrome_int); 1199 TryChromeDialogView::Result answer = TryChromeDialogView::Show( 1200 try_chrome_int, 1201 base::Bind(&ChromeProcessSingleton::SetActiveModalDialog, 1202 base::Unretained(process_singleton_.get()))); 1203 if (answer == TryChromeDialogView::NOT_NOW) 1204 return chrome::RESULT_CODE_NORMAL_EXIT_CANCEL; 1205 if (answer == TryChromeDialogView::UNINSTALL_CHROME) 1206 return chrome::RESULT_CODE_NORMAL_EXIT_EXP2; 1207 // At this point the user is willing to try chrome again. 1208 if (answer == TryChromeDialogView::TRY_CHROME_AS_DEFAULT) { 1209 // Only set in the unattended case, the interactive case is Windows 8. 1210 if (ShellIntegration::CanSetAsDefaultBrowser() == 1211 ShellIntegration::SET_DEFAULT_UNATTENDED) 1212 ShellIntegration::SetAsDefaultBrowser(); 1213 } 1214 #else 1215 // We don't support retention experiments on Mac or Linux. 1216 return content::RESULT_CODE_NORMAL_EXIT; 1217 #endif // defined(OS_WIN) 1218 } 1219 1220 #if defined(OS_WIN) 1221 // Do the tasks if chrome has been upgraded while it was last running. 1222 if (!already_running && upgrade_util::DoUpgradeTasks(parsed_command_line())) 1223 return content::RESULT_CODE_NORMAL_EXIT; 1224 1225 // Check if there is any machine level Chrome installed on the current 1226 // machine. If yes and the current Chrome process is user level, we do not 1227 // allow the user level Chrome to run. So we notify the user and uninstall 1228 // user level Chrome. 1229 // Note this check needs to happen here (after the process singleton was 1230 // obtained but before potentially creating the first run sentinel). 1231 if (ChromeBrowserMainPartsWin::CheckMachineLevelInstall()) 1232 return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS; 1233 #endif // defined(OS_WIN) 1234 1235 #if defined(OS_LINUX) && !defined(OS_CHROMEOS) 1236 if (sxs_linux::ShouldMigrateUserDataDir()) 1237 return sxs_linux::MigrateUserDataDir(); 1238 #endif // defined(OS_LINUX) && !defined(OS_CHROMEOS) 1239 1240 // Desktop construction occurs here, (required before profile creation). 1241 PreProfileInit(); 1242 1243 // Profile creation ---------------------------------------------------------- 1244 1245 metrics::MetricsService::SetExecutionPhase( 1246 metrics::MetricsService::CREATE_PROFILE, 1247 g_browser_process->local_state()); 1248 profile_ = CreatePrimaryProfile(parameters(), 1249 user_data_dir_, 1250 parsed_command_line()); 1251 if (!profile_) 1252 return content::RESULT_CODE_NORMAL_EXIT; 1253 1254 #if !defined(OS_ANDROID) 1255 // The first run sentinel must be created after the process singleton was 1256 // grabbed and no early return paths were otherwise hit above. 1257 first_run::CreateSentinelIfNeeded(); 1258 #endif // !defined(OS_ANDROID) 1259 1260 #if defined(ENABLE_BACKGROUND) 1261 // Autoload any profiles which are running background apps. 1262 // TODO(rlp): Do this on a separate thread. See http://crbug.com/99075. 1263 browser_process_->profile_manager()->AutoloadProfiles(); 1264 #endif 1265 // Post-profile init --------------------------------------------------------- 1266 1267 TranslateService::Initialize(); 1268 1269 // Needs to be done before PostProfileInit, since login manager on CrOS is 1270 // called inside PostProfileInit. 1271 content::WebUIControllerFactory::RegisterFactory( 1272 ChromeWebUIControllerFactory::GetInstance()); 1273 1274 // NaClBrowserDelegateImpl is accessed inside PostProfileInit(). 1275 // So make sure to create it before that. 1276 #if !defined(DISABLE_NACL) 1277 NaClBrowserDelegateImpl* delegate = 1278 new NaClBrowserDelegateImpl(browser_process_->profile_manager()); 1279 nacl::NaClBrowser::SetDelegate(delegate); 1280 #endif 1281 1282 // TODO(stevenjb): Move WIN and MACOSX specific code to appropriate Parts. 1283 // (requires supporting early exit). 1284 PostProfileInit(); 1285 1286 // Retrieve cached GL strings from local state and use them for GPU 1287 // blacklist decisions. 1288 if (g_browser_process->gl_string_manager()) 1289 g_browser_process->gl_string_manager()->Initialize(); 1290 1291 // Create an instance of GpuModeManager to watch gpu mode pref change. 1292 g_browser_process->gpu_mode_manager(); 1293 1294 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) 1295 // Show the First Run UI if this is the first time Chrome has been run on 1296 // this computer, or we're being compelled to do so by a command line flag. 1297 // Note that this be done _after_ the PrefService is initialized and all 1298 // preferences are registered, since some of the code that the importer 1299 // touches reads preferences. 1300 if (first_run::IsChromeFirstRun()) { 1301 first_run::AutoImport(profile_, 1302 master_prefs_->homepage_defined, 1303 master_prefs_->do_import_items, 1304 master_prefs_->dont_import_items, 1305 master_prefs_->import_bookmarks_path); 1306 1307 // Note: this can pop the first run consent dialog on linux. 1308 first_run::DoPostImportTasks(profile_, 1309 master_prefs_->make_chrome_default_for_user); 1310 1311 if (!master_prefs_->suppress_first_run_default_browser_prompt) { 1312 browser_creator_->set_show_main_browser_window( 1313 !chrome::ShowFirstRunDefaultBrowserPrompt(profile_)); 1314 } else { 1315 browser_creator_->set_is_default_browser_dialog_suppressed(true); 1316 } 1317 } 1318 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS) 1319 1320 #if defined(OS_WIN) 1321 // Sets things up so that if we crash from this point on, a dialog will 1322 // popup asking the user to restart chrome. It is done this late to avoid 1323 // testing against a bunch of special cases that are taken care early on. 1324 ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment( 1325 parsed_command_line()); 1326 1327 // Registers Chrome with the Windows Restart Manager, which will restore the 1328 // Chrome session when the computer is restarted after a system update. 1329 // This could be run as late as WM_QUERYENDSESSION for system update reboots, 1330 // but should run on startup if extended to handle crashes/hangs/patches. 1331 // Also, better to run once here than once for each HWND's WM_QUERYENDSESSION. 1332 if (base::win::GetVersion() >= base::win::VERSION_VISTA) { 1333 ChromeBrowserMainPartsWin::RegisterApplicationRestart( 1334 parsed_command_line()); 1335 } 1336 1337 // Verify that the profile is not on a network share and if so prepare to show 1338 // notification to the user. 1339 if (NetworkProfileBubble::ShouldCheckNetworkProfile(profile_)) { 1340 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, 1341 base::Bind(&NetworkProfileBubble::CheckNetworkProfile, 1342 profile_->GetPath())); 1343 } 1344 #endif // OS_WIN 1345 1346 #if defined(ENABLE_RLZ) && !defined(OS_CHROMEOS) 1347 // Init the RLZ library. This just binds the dll and schedules a task on the 1348 // file thread to be run sometime later. If this is the first run we record 1349 // the installation event. 1350 PrefService* pref_service = profile_->GetPrefs(); 1351 int ping_delay = first_run::IsChromeFirstRun() ? master_prefs_->ping_delay : 1352 pref_service->GetInteger(first_run::GetPingDelayPrefName().c_str()); 1353 // Negative ping delay means to send ping immediately after a first search is 1354 // recorded. 1355 RLZTracker::InitRlzFromProfileDelayed( 1356 profile_, first_run::IsChromeFirstRun(), ping_delay < 0, 1357 base::TimeDelta::FromMilliseconds(abs(ping_delay))); 1358 #endif // defined(ENABLE_RLZ) && !defined(OS_CHROMEOS) 1359 1360 // Configure modules that need access to resources. 1361 net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider); 1362 1363 // In unittest mode, this will do nothing. In normal mode, this will create 1364 // the global IntranetRedirectDetector instance, which will promptly go to 1365 // sleep for seven seconds (to avoid slowing startup), and wake up afterwards 1366 // to see if it should do anything else. 1367 // 1368 // A simpler way of doing all this would be to have some function which could 1369 // give the time elapsed since startup, and simply have this object check that 1370 // when asked to initialize itself, but this doesn't seem to exist. 1371 // 1372 // This can't be created in the BrowserProcessImpl constructor because it 1373 // needs to read prefs that get set after that runs. 1374 browser_process_->intranet_redirect_detector(); 1375 GoogleSearchCounter::RegisterForNotifications(); 1376 1377 // Check SDCH field trial. Default is now that everything is enabled, 1378 // so provide options for disabling HTTPS or all of SDCH. 1379 const char kSdchFieldTrialName[] = "SDCH"; 1380 const char kEnabledHttpOnlyGroupName[] = "EnabledHttpOnly"; 1381 const char kDisabledAllGroupName[] = "DisabledAll"; 1382 1383 // Store in a string on return to keep underlying storage for 1384 // StringPiece stable. 1385 std::string sdch_trial_group_string = 1386 base::FieldTrialList::FindFullName(kSdchFieldTrialName); 1387 base::StringPiece sdch_trial_group(sdch_trial_group_string); 1388 if (sdch_trial_group.starts_with(kEnabledHttpOnlyGroupName)) { 1389 net::SdchManager::EnableSdchSupport(true); 1390 net::SdchManager::EnableSecureSchemeSupport(false); 1391 } else if (sdch_trial_group.starts_with(kDisabledAllGroupName)) { 1392 net::SdchManager::EnableSdchSupport(false); 1393 } 1394 1395 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD) 1396 if (parsed_command_line().HasSwitch(switches::kDebugPrint)) { 1397 base::FilePath path = 1398 parsed_command_line().GetSwitchValuePath(switches::kDebugPrint); 1399 printing::PrintedDocument::set_debug_dump_path(path); 1400 } 1401 #endif 1402 1403 HandleTestParameters(parsed_command_line()); 1404 browser_process_->metrics_service()->RecordBreakpadHasDebugger( 1405 base::debug::BeingDebugged()); 1406 1407 language_usage_metrics::LanguageUsageMetrics::RecordAcceptLanguages( 1408 profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)); 1409 language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage( 1410 browser_process_->GetApplicationLocale()); 1411 1412 // Start watching for hangs during startup. We disarm this hang detector when 1413 // ThreadWatcher takes over or when browser is shutdown or when 1414 // startup_watcher_ is deleted. 1415 metrics::MetricsService::SetExecutionPhase( 1416 metrics::MetricsService::STARTUP_TIMEBOMB_ARM, 1417 g_browser_process->local_state()); 1418 startup_watcher_->Arm(base::TimeDelta::FromSeconds(600)); 1419 1420 // On mobile, need for clean shutdown arises only when the application comes 1421 // to foreground (i.e. MetricsService::OnAppEnterForeground is called). 1422 // http://crbug.com/179143 1423 #if !defined(OS_ANDROID) 1424 // Start watching for a hang. 1425 browser_process_->metrics_service()->LogNeedForCleanShutdown(); 1426 #endif 1427 1428 #if defined(ENABLE_FULL_PRINTING) 1429 // Create the instance of the cloud print proxy service so that it can launch 1430 // the service process if needed. This is needed because the service process 1431 // might have shutdown because an update was available. 1432 // TODO(torne): this should maybe be done with 1433 // BrowserContextKeyedServiceFactory::ServiceIsCreatedWithBrowserContext() 1434 // instead? 1435 CloudPrintProxyServiceFactory::GetForProfile(profile_); 1436 #endif 1437 1438 // Start watching all browser threads for responsiveness. 1439 metrics::MetricsService::SetExecutionPhase( 1440 metrics::MetricsService::THREAD_WATCHER_START, 1441 g_browser_process->local_state()); 1442 ThreadWatcherList::StartWatchingAll(parsed_command_line()); 1443 1444 #if defined(OS_ANDROID) 1445 ThreadWatcherAndroid::RegisterApplicationStatusListener(); 1446 #endif 1447 1448 #if !defined(DISABLE_NACL) 1449 BrowserThread::PostTask( 1450 BrowserThread::IO, 1451 FROM_HERE, 1452 base::Bind(nacl::NaClProcessHost::EarlyStartup)); 1453 #endif 1454 1455 // Make sure initial prefs are recorded 1456 PrefMetricsService::Factory::GetForProfile(profile_); 1457 1458 PreBrowserStart(); 1459 1460 // Instantiate the notification UI manager, as this triggers a perf timer 1461 // used to measure startup time. TODO(stevenjb): Figure out what is actually 1462 // triggering the timer and call that explicitly in the approprate place. 1463 // http://crbug.com/105065. 1464 browser_process_->notification_ui_manager(); 1465 1466 if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate)) 1467 RegisterComponentsForUpdate(); 1468 1469 #if defined(OS_ANDROID) 1470 chrome_variations::VariationsService* variations_service = 1471 browser_process_->variations_service(); 1472 if (variations_service) { 1473 variations_service->set_policy_pref_service(profile_->GetPrefs()); 1474 variations_service->StartRepeatedVariationsSeedFetch(); 1475 } 1476 translate::TranslateDownloadManager::RequestLanguageList( 1477 profile_->GetPrefs()); 1478 1479 #else 1480 // Most general initialization is behind us, but opening a 1481 // tab and/or session restore and such is still to be done. 1482 base::TimeTicks browser_open_start = base::TimeTicks::Now(); 1483 1484 // We are in regular browser boot sequence. Open initial tabs and enter the 1485 // main message loop. 1486 int result_code; 1487 #if defined(OS_CHROMEOS) 1488 // On ChromeOS multiple profiles doesn't apply, and will break if we load 1489 // them this early as the cryptohome hasn't yet been mounted (which happens 1490 // only once we log in. 1491 std::vector<Profile*> last_opened_profiles; 1492 #else 1493 std::vector<Profile*> last_opened_profiles = 1494 g_browser_process->profile_manager()->GetLastOpenedProfiles(); 1495 #endif 1496 1497 if (browser_creator_->Start(parsed_command_line(), base::FilePath(), 1498 profile_, last_opened_profiles, &result_code)) { 1499 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS)) 1500 // Initialize autoupdate timer. Timer callback costs basically nothing 1501 // when browser is not in persistent mode, so it's OK to let it ride on 1502 // the main thread. This needs to be done here because we don't want 1503 // to start the timer when Chrome is run inside a test harness. 1504 browser_process_->StartAutoupdateTimer(); 1505 #endif 1506 1507 #if defined(OS_LINUX) && !defined(OS_CHROMEOS) 1508 // On Linux, the running exe will be updated if an upgrade becomes 1509 // available while the browser is running. We need to save the last 1510 // modified time of the exe, so we can compare to determine if there is 1511 // an upgrade while the browser is kept alive by a persistent extension. 1512 upgrade_util::SaveLastModifiedTimeOfExe(); 1513 #endif 1514 1515 // Record now as the last successful chrome start. 1516 GoogleUpdateSettings::SetLastRunTime(); 1517 1518 #if defined(OS_MACOSX) 1519 // Call Recycle() here as late as possible, before going into the loop 1520 // because Start() will add things to it while creating the main window. 1521 if (parameters().autorelease_pool) 1522 parameters().autorelease_pool->Recycle(); 1523 #endif 1524 1525 base::TimeDelta delay = base::TimeTicks::Now() - browser_open_start; 1526 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserOpenTabs", delay); 1527 1528 // If we're running tests (ui_task is non-null), then we don't want to 1529 // call RequestLanguageList or StartRepeatedVariationsSeedFetch or 1530 // RequestLanguageList 1531 if (parameters().ui_task == NULL) { 1532 // Request new variations seed information from server. 1533 chrome_variations::VariationsService* variations_service = 1534 browser_process_->variations_service(); 1535 if (variations_service) { 1536 variations_service->StartRepeatedVariationsSeedFetch(); 1537 1538 #if defined(OS_WIN) 1539 variations_service->StartGoogleUpdateRegistrySync(); 1540 #endif 1541 } 1542 1543 translate::TranslateDownloadManager::RequestLanguageList( 1544 profile_->GetPrefs()); 1545 } 1546 1547 run_message_loop_ = true; 1548 } else { 1549 run_message_loop_ = false; 1550 } 1551 browser_creator_.reset(); 1552 #endif // !defined(OS_ANDROID) 1553 1554 #if !defined(OS_ANDROID) 1555 process_power_collector_.reset(new ProcessPowerCollector); 1556 process_power_collector_->Initialize(); 1557 #endif 1558 1559 PostBrowserStart(); 1560 1561 if (parameters().ui_task) { 1562 parameters().ui_task->Run(); 1563 delete parameters().ui_task; 1564 run_message_loop_ = false; 1565 } 1566 #if defined(OS_ANDROID) 1567 // We never run the C++ main loop on Android, since the UI thread message 1568 // loop is controlled by the OS, so this is as close as we can get to 1569 // the start of the main loop 1570 if (result_code_ <= 0) { 1571 RecordBrowserStartupTime(); 1572 } 1573 #endif 1574 return result_code_; 1575 } 1576 1577 bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) { 1578 TRACE_EVENT0("startup", "ChromeBrowserMainParts::MainMessageLoopRun"); 1579 #if defined(OS_ANDROID) 1580 // Chrome on Android does not use default MessageLoop. It has its own 1581 // Android specific MessageLoop 1582 NOTREACHED(); 1583 return true; 1584 #else 1585 // Set the result code set in PreMainMessageLoopRun or set above. 1586 *result_code = result_code_; 1587 if (!run_message_loop_) 1588 return true; // Don't run the default message loop. 1589 1590 // These should be invoked as close to the start of the browser's 1591 // UI thread message loop as possible to get a stable measurement 1592 // across versions. 1593 RecordBrowserStartupTime(); 1594 1595 DCHECK(base::MessageLoopForUI::IsCurrent()); 1596 base::RunLoop run_loop; 1597 1598 performance_monitor::PerformanceMonitor::GetInstance()->StartGatherCycle(); 1599 1600 metrics::MetricsService::SetExecutionPhase( 1601 metrics::MetricsService::MAIN_MESSAGE_LOOP_RUN, 1602 g_browser_process->local_state()); 1603 run_loop.Run(); 1604 1605 return true; 1606 #endif 1607 } 1608 1609 void ChromeBrowserMainParts::PostMainMessageLoopRun() { 1610 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopRun"); 1611 #if defined(OS_ANDROID) 1612 // Chrome on Android does not use default MessageLoop. It has its own 1613 // Android specific MessageLoop 1614 NOTREACHED(); 1615 #else 1616 1617 // Start watching for jank during shutdown. It gets disarmed when 1618 // |shutdown_watcher_| object is destructed. 1619 metrics::MetricsService::SetExecutionPhase( 1620 metrics::MetricsService::SHUTDOWN_TIMEBOMB_ARM, 1621 g_browser_process->local_state()); 1622 shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(300)); 1623 1624 // Disarm the startup hang detector time bomb if it is still Arm'ed. 1625 startup_watcher_->Disarm(); 1626 1627 // Remove observers attached to D-Bus clients before DbusThreadManager is 1628 // shut down. 1629 process_power_collector_.reset(); 1630 1631 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i) 1632 chrome_extra_parts_[i]->PostMainMessageLoopRun(); 1633 1634 // Some tests don't set parameters.ui_task, so they started translate 1635 // language fetch that was never completed so we need to cleanup here 1636 // otherwise it will be done by the destructor in a wrong thread. 1637 TranslateService::Shutdown(parameters().ui_task == NULL); 1638 1639 if (notify_result_ == ProcessSingleton::PROCESS_NONE) 1640 process_singleton_->Cleanup(); 1641 1642 // Stop all tasks that might run on WatchDogThread. 1643 ThreadWatcherList::StopWatchingAll(); 1644 1645 browser_process_->metrics_service()->Stop(); 1646 1647 restart_last_session_ = browser_shutdown::ShutdownPreThreadsStop(); 1648 browser_process_->StartTearDown(); 1649 #endif 1650 } 1651 1652 void ChromeBrowserMainParts::PostDestroyThreads() { 1653 #if defined(OS_ANDROID) 1654 // On Android, there is no quit/exit. So the browser's main message loop will 1655 // not finish. 1656 NOTREACHED(); 1657 #else 1658 browser_process_->PostDestroyThreads(); 1659 // browser_shutdown takes care of deleting browser_process, so we need to 1660 // release it. 1661 ignore_result(browser_process_.release()); 1662 browser_shutdown::ShutdownPostThreadsStop(restart_last_session_); 1663 master_prefs_.reset(); 1664 process_singleton_.reset(); 1665 1666 // We need to do this check as late as possible, but due to modularity, this 1667 // may be the last point in Chrome. This would be more effective if done at 1668 // a higher level on the stack, so that it is impossible for an early return 1669 // to bypass this code. Perhaps we need a *final* hook that is called on all 1670 // paths from content/browser/browser_main. 1671 CHECK(metrics::MetricsService::UmaMetricsProperlyShutdown()); 1672 1673 #if defined(OS_CHROMEOS) 1674 chromeos::CrosSettings::Shutdown(); 1675 #endif 1676 #endif 1677 } 1678 1679 // Public members: 1680 1681 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) { 1682 chrome_extra_parts_.push_back(parts); 1683 } 1684