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.
5 #include "chrome/browser/chrome_browser_main.h"
7 #if defined(TOOLKIT_GTK)
15 #include "base/at_exit.h"
16 #include "base/bind.h"
17 #include "base/command_line.h"
18 #include "base/debug/crash_logging.h"
19 #include "base/debug/debugger.h"
20 #include "base/debug/trace_event.h"
21 #include "base/file_util.h"
22 #include "base/files/file_path.h"
23 #include "base/metrics/field_trial.h"
24 #include "base/metrics/histogram.h"
25 #include "base/path_service.h"
26 #include "base/prefs/json_pref_store.h"
27 #include "base/prefs/pref_registry_simple.h"
28 #include "base/prefs/pref_service.h"
29 #include "base/prefs/pref_value_store.h"
30 #include "base/prefs/scoped_user_pref_update.h"
31 #include "base/process/process_info.h"
32 #include "base/run_loop.h"
33 #include "base/strings/string_number_conversions.h"
34 #include "base/strings/string_piece.h"
35 #include "base/strings/string_split.h"
36 #include "base/strings/sys_string_conversions.h"
37 #include "base/strings/utf_string_conversions.h"
38 #include "base/sys_info.h"
39 #include "base/threading/platform_thread.h"
40 #include "base/time/time.h"
41 #include "base/values.h"
42 #include "build/build_config.h"
43 #include "chrome/browser/about_flags.h"
44 #include "chrome/browser/browser_process.h"
45 #include "chrome/browser/browser_process_impl.h"
46 #include "chrome/browser/browser_process_platform_part.h"
47 #include "chrome/browser/browser_shutdown.h"
48 #include "chrome/browser/chrome_browser_main_extra_parts.h"
49 #include "chrome/browser/component_updater/component_updater_service.h"
50 #include "chrome/browser/component_updater/flash_component_installer.h"
51 #include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h"
52 #include "chrome/browser/component_updater/recovery_component_installer.h"
53 #include "chrome/browser/component_updater/swiftshader_component_installer.h"
54 #include "chrome/browser/component_updater/widevine_cdm_component_installer.h"
55 #include "chrome/browser/defaults.h"
56 #include "chrome/browser/extensions/extension_protocols.h"
57 #include "chrome/browser/extensions/extension_service.h"
58 #include "chrome/browser/extensions/startup_helper.h"
59 #include "chrome/browser/feedback/feedback_profile_observer.h"
60 #include "chrome/browser/first_run/first_run.h"
61 #include "chrome/browser/first_run/upgrade_util.h"
62 #include "chrome/browser/google/google_search_counter.h"
63 #include "chrome/browser/google/google_util.h"
64 #include "chrome/browser/gpu/gl_string_manager.h"
65 #include "chrome/browser/jankometer.h"
66 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
67 #include "chrome/browser/metrics/field_trial_synchronizer.h"
68 #include "chrome/browser/metrics/metrics_log.h"
69 #include "chrome/browser/metrics/metrics_service.h"
70 #include "chrome/browser/metrics/thread_watcher.h"
71 #include "chrome/browser/metrics/tracking_synchronizer.h"
72 #include "chrome/browser/metrics/variations/variations_http_header_provider.h"
73 #include "chrome/browser/metrics/variations/variations_service.h"
74 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
75 #include "chrome/browser/net/chrome_net_log.h"
76 #include "chrome/browser/net/crl_set_fetcher.h"
77 #include "chrome/browser/notifications/desktop_notification_service.h"
78 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
79 #include "chrome/browser/performance_monitor/performance_monitor.h"
80 #include "chrome/browser/performance_monitor/startup_timer.h"
81 #include "chrome/browser/plugins/plugin_prefs.h"
82 #include "chrome/browser/pref_service_flags_storage.h"
83 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
84 #include "chrome/browser/prefs/command_line_pref_store.h"
85 #include "chrome/browser/prefs/pref_metrics_service.h"
86 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
87 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
88 #include "chrome/browser/process_singleton.h"
89 #include "chrome/browser/profiles/profile.h"
90 #include "chrome/browser/profiles/profile_manager.h"
91 #include "chrome/browser/profiles/profiles_state.h"
92 #include "chrome/browser/shell_integration.h"
93 #include "chrome/browser/three_d_api_observer.h"
94 #include "chrome/browser/translate/translate_service.h"
95 #include "chrome/browser/ui/app_list/app_list_service.h"
96 #include "chrome/browser/ui/browser.h"
97 #include "chrome/browser/ui/browser_finder.h"
98 #include "chrome/browser/ui/host_desktop.h"
99 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
100 #include "chrome/browser/ui/startup/default_browser_prompt.h"
101 #include "chrome/browser/ui/startup/startup_browser_creator.h"
102 #include "chrome/browser/ui/uma_browsing_activity_observer.h"
103 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
104 #include "chrome/common/chrome_constants.h"
105 #include "chrome/common/chrome_paths.h"
106 #include "chrome/common/chrome_result_codes.h"
107 #include "chrome/common/chrome_switches.h"
108 #include "chrome/common/crash_keys.h"
109 #include "chrome/common/env_vars.h"
110 #include "chrome/common/logging_chrome.h"
111 #include "chrome/common/net/net_resource_provider.h"
112 #include "chrome/common/pref_names.h"
113 #include "chrome/common/profile_management_switches.h"
114 #include "chrome/common/profiling.h"
115 #include "chrome/installer/util/google_update_settings.h"
116 #include "components/language_usage_metrics/language_usage_metrics.h"
117 #include "components/nacl/browser/nacl_browser.h"
118 #include "components/nacl/browser/nacl_process_host.h"
119 #include "components/rappor/rappor_service.h"
120 #include "components/startup_metric_utils/startup_metric_utils.h"
121 #include "components/translate/core/browser/translate_download_manager.h"
122 #include "content/public/browser/browser_thread.h"
123 #include "content/public/browser/notification_observer.h"
124 #include "content/public/browser/notification_registrar.h"
125 #include "content/public/browser/notification_service.h"
126 #include "content/public/browser/notification_types.h"
127 #include "content/public/browser/site_instance.h"
128 #include "content/public/common/content_client.h"
129 #include "content/public/common/content_switches.h"
130 #include "content/public/common/main_function_params.h"
131 #include "extensions/browser/extension_system.h"
132 #include "grit/app_locale_settings.h"
133 #include "grit/browser_resources.h"
134 #include "grit/chromium_strings.h"
135 #include "grit/generated_resources.h"
136 #include "grit/platform_locale_settings.h"
137 #include "net/base/net_module.h"
138 #include "net/base/sdch_manager.h"
139 #include "net/cookies/cookie_monster.h"
140 #include "net/http/http_network_layer.h"
141 #include "net/http/http_stream_factory.h"
142 #include "net/url_request/url_request.h"
143 #include "ui/base/l10n/l10n_util.h"
144 #include "ui/base/layout.h"
145 #include "ui/base/resource/resource_bundle.h"
147 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
148 #include "chrome/browser/first_run/upgrade_util_linux.h"
149 #include "chrome/browser/sxs_linux.h"
152 #if defined(OS_CHROMEOS)
153 #include "chrome/browser/chromeos/settings/cros_settings.h"
154 #include "chromeos/chromeos_switches.h"
155 #include "chromeos/settings/cros_settings_names.h"
158 // TODO(port): several win-only methods have been pulled out of this, but
159 // BrowserMain() as a whole needs to be broken apart so that it's usable by
160 // other platforms. For now, it's just a stub. This is a serious work in
161 // progress and should not be taken as an indication of a real refactoring.
164 #include "base/environment.h" // For PreRead experiment.
165 #include "base/win/windows_version.h"
166 #include "chrome/browser/browser_util_win.h"
167 #include "chrome/browser/chrome_browser_main_win.h"
168 #include "chrome/browser/first_run/try_chrome_dialog_view.h"
169 #include "chrome/browser/first_run/upgrade_util_win.h"
170 #include "chrome/browser/ui/network_profile_bubble.h"
171 #include "chrome/common/net/url_fixer_upper.h"
172 #include "chrome/installer/util/helper.h"
173 #include "chrome/installer/util/install_util.h"
174 #include "chrome/installer/util/shell_util.h"
175 #include "net/base/net_util.h"
176 #include "ui/base/l10n/l10n_util_win.h"
177 #include "ui/gfx/win/dpi.h"
178 #endif // defined(OS_WIN)
180 #if defined(OS_MACOSX)
181 #include <Security/Security.h>
183 #include "base/mac/scoped_nsautorelease_pool.h"
184 #include "chrome/browser/mac/keystone_glue.h"
187 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
188 #include "printing/printed_document.h"
191 #if defined(ENABLE_RLZ)
192 #include "chrome/browser/rlz/rlz.h"
195 #if defined(ENABLE_WEBRTC)
196 #include "chrome/browser/media/webrtc_log_util.h"
199 #if defined(USE_AURA)
200 #include "ui/aura/env.h"
203 using content::BrowserThread;
207 // This function provides some ways to test crash and assertion handling
208 // behavior of the program.
209 void HandleTestParameters(const CommandLine& command_line) {
210 // This parameter causes an assertion.
211 if (command_line.HasSwitch(switches::kBrowserAssertTest)) {
215 // This parameter causes a null pointer crash (crash reporter trigger).
216 if (command_line.HasSwitch(switches::kBrowserCrashTest)) {
217 int* bad_pointer = NULL;
222 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
223 void AddFirstRunNewTabs(StartupBrowserCreator* browser_creator,
224 const std::vector<GURL>& new_tabs) {
225 for (std::vector<GURL>::const_iterator it = new_tabs.begin();
226 it != new_tabs.end(); ++it) {
228 browser_creator->AddFirstRunTab(*it);
231 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
233 // Returns the new local state object, guaranteed non-NULL.
234 // |local_state_task_runner| must be a shutdown-blocking task runner.
235 PrefService* InitializeLocalState(
236 base::SequencedTaskRunner* local_state_task_runner,
237 const CommandLine& parsed_command_line) {
238 TRACE_EVENT0("startup", "ChromeBrowserMainParts::InitializeLocalState")
239 base::FilePath local_state_path;
240 PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path);
241 bool local_state_file_exists = base::PathExists(local_state_path);
243 // Load local state. This includes the application locale so we know which
244 // locale dll to load. This also causes local state prefs to be registered.
245 PrefService* local_state = g_browser_process->local_state();
249 if (first_run::IsChromeFirstRun()) {
250 // During first run we read the google_update registry key to find what
251 // language the user selected when downloading the installer. This
252 // becomes our default language in the prefs.
253 // Other platforms obey the system locale.
254 base::string16 install_lang;
255 if (GoogleUpdateSettings::GetLanguage(&install_lang)) {
256 local_state->SetString(prefs::kApplicationLocale,
257 base::UTF16ToASCII(install_lang));
260 #endif // defined(OS_WIN)
262 // If the local state file for the current profile doesn't exist and the
263 // parent profile command line flag is present, then we should inherit some
264 // local state from the parent profile.
265 // Checking that the local state file for the current profile doesn't exist
266 // is the most robust way to determine whether we need to inherit or not
267 // since the parent profile command line flag can be present even when the
268 // current profile is not a new one, and in that case we do not want to
269 // inherit and reset the user's setting.
271 // TODO(mnissler): We should probably just instantiate a
272 // JSONPrefStore here instead of an entire PrefService. Once this is
273 // addressed, the call to browser_prefs::RegisterLocalState can move
274 // to chrome_prefs::CreateLocalState.
275 if (!local_state_file_exists &&
276 parsed_command_line.HasSwitch(switches::kParentProfile)) {
277 base::FilePath parent_profile =
278 parsed_command_line.GetSwitchValuePath(switches::kParentProfile);
279 scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple();
280 scoped_ptr<PrefService> parent_local_state(
281 chrome_prefs::CreateLocalState(
283 local_state_task_runner,
284 g_browser_process->policy_service(),
287 registry->RegisterStringPref(prefs::kApplicationLocale, std::string());
288 // Right now, we only inherit the locale setting from the parent profile.
289 local_state->SetString(
290 prefs::kApplicationLocale,
291 parent_local_state->GetString(prefs::kApplicationLocale));
294 #if defined(OS_CHROMEOS)
295 if (parsed_command_line.HasSwitch(chromeos::switches::kLoginManager)) {
296 std::string owner_locale = local_state->GetString(prefs::kOwnerLocale);
297 // Ensure that we start with owner's locale.
298 if (!owner_locale.empty() &&
299 local_state->GetString(prefs::kApplicationLocale) != owner_locale &&
300 !local_state->IsManagedPreference(prefs::kApplicationLocale)) {
301 local_state->SetString(prefs::kApplicationLocale, owner_locale);
309 // Initializes the primary profile, possibly doing some user prompting to pick
310 // a fallback profile. Returns the newly created profile, or NULL if startup
311 // should not continue.
312 Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters,
313 const base::FilePath& user_data_dir,
314 const CommandLine& parsed_command_line) {
315 TRACE_EVENT0("startup", "ChromeBrowserMainParts::CreateProfile")
316 base::Time start = base::Time::Now();
317 if (profiles::IsMultipleProfilesEnabled() &&
318 parsed_command_line.HasSwitch(switches::kProfileDirectory)) {
319 g_browser_process->local_state()->SetString(prefs::kProfileLastUsed,
320 parsed_command_line.GetSwitchValueASCII(switches::kProfileDirectory));
321 // Clear kProfilesLastActive since the user only wants to launch a specific
323 ListPrefUpdate update(g_browser_process->local_state(),
324 prefs::kProfilesLastActive);
325 base::ListValue* profile_list = update.Get();
326 profile_list->Clear();
329 Profile* profile = NULL;
330 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
331 // On ChromeOS and Android the ProfileManager will use the same path as the
332 // one we got passed. GetActiveUserProfile will therefore use the correct path
334 DCHECK_EQ(user_data_dir.value(),
335 g_browser_process->profile_manager()->user_data_dir().value());
336 profile = ProfileManager::GetActiveUserProfile();
338 base::FilePath profile_path =
339 GetStartupProfilePath(user_data_dir, parsed_command_line);
340 profile = g_browser_process->profile_manager()->GetProfile(
343 // If we're using the --new-profile-management flag and this profile is
344 // signed out, then we should show the user manager instead. By switching
345 // the active profile to the guest profile we ensure that no
346 // browser windows will be opened for the guest profile.
347 if (switches::IsNewProfileManagement() && !profile->IsGuestSession()) {
348 ProfileInfoCache& cache =
349 g_browser_process->profile_manager()->GetProfileInfoCache();
350 size_t profile_index = cache.GetIndexOfProfileWithPath(profile_path);
352 if (cache.ProfileIsSigninRequiredAtIndex(profile_index))
353 profile = g_browser_process->profile_manager()->GetProfile(
354 ProfileManager::GetGuestProfilePath());
358 UMA_HISTOGRAM_LONG_TIMES(
359 "Startup.CreateFirstProfile", base::Time::Now() - start);
364 // TODO(port): fix this. See comments near the definition of
365 // user_data_dir. It is better to CHECK-fail here than it is to
366 // silently exit because of missing code in the above test.
367 CHECK(profile) << "Cannot get default profile.";
373 #if defined(OS_MACOSX)
374 OSStatus KeychainCallback(SecKeychainEvent keychain_event,
375 SecKeychainCallbackInfo* info, void* context) {
380 void RegisterComponentsForUpdate(const CommandLine& command_line) {
381 component_updater::ComponentUpdateService* cus =
382 g_browser_process->component_updater();
384 // Registration can be before or after cus->Start() so it is ok to post
385 // a task to the UI thread to do registration once you done the necessary
386 // file IO to know you existing component version.
387 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
388 RegisterRecoveryComponent(cus, g_browser_process->local_state());
389 RegisterPepperFlashComponent(cus);
390 RegisterSwiftShaderComponent(cus);
393 #if !defined(OS_ANDROID)
394 g_browser_process->pnacl_component_installer()->RegisterPnaclComponent(
398 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
399 RegisterWidevineCdmComponent(cus);
402 #if !defined(OS_CHROMEOS)
403 // CRLSetFetcher attempts to load a CRL set from either the local disk or
405 if (!command_line.HasSwitch(switches::kDisableCRLSets))
406 g_browser_process->crl_set_fetcher()->StartInitialLoad(cus);
412 #if !defined(OS_ANDROID)
413 bool ProcessSingletonNotificationCallback(
414 const CommandLine& command_line,
415 const base::FilePath& current_directory) {
416 // Drop the request if the browser process is already in shutdown path.
417 if (!g_browser_process || g_browser_process->IsShuttingDown())
420 if (command_line.HasSwitch(switches::kOriginalProcessStartTime)) {
421 std::string start_time_string =
422 command_line.GetSwitchValueASCII(switches::kOriginalProcessStartTime);
423 int64 remote_start_time;
424 if (base::StringToInt64(start_time_string, &remote_start_time)) {
425 base::TimeDelta elapsed =
426 base::Time::Now() - base::Time::FromInternalValue(remote_start_time);
427 if (command_line.HasSwitch(switches::kFastStart)) {
428 UMA_HISTOGRAM_LONG_TIMES(
429 "Startup.WarmStartTimeFromRemoteProcessStartFast", elapsed);
431 UMA_HISTOGRAM_LONG_TIMES(
432 "Startup.WarmStartTimeFromRemoteProcessStart", elapsed);
437 g_browser_process->platform_part()->PlatformSpecificCommandLineProcessing(
440 // TODO(erikwright): Consider removing this - AFAIK it is no longer used.
441 // Handle the --uninstall-extension startup action. This needs to done here in
442 // the process that is running with the target profile, otherwise the
443 // uninstall will fail to unload and remove all components.
444 if (command_line.HasSwitch(switches::kUninstallExtension)) {
445 // The uninstall extension switch can't be combined with the profile
447 DCHECK(!command_line.HasSwitch(switches::kProfileDirectory));
449 Profile* profile = ProfileManager::GetLastUsedProfile();
451 // We should never be called before the profile has been created.
456 extensions::StartupHelper extension_startup_helper;
457 extension_startup_helper.UninstallExtension(command_line, profile);
461 base::FilePath user_data_dir =
462 g_browser_process->profile_manager()->user_data_dir();
463 base::FilePath startup_profile_dir =
464 GetStartupProfilePath(user_data_dir, command_line);
466 StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
467 command_line, current_directory, startup_profile_dir);
470 #endif // !defined(OS_ANDROID)
472 void LaunchDevToolsHandlerIfNeeded(const CommandLine& command_line) {
473 if (command_line.HasSwitch(::switches::kRemoteDebuggingPort)) {
474 std::string port_str =
475 command_line.GetSwitchValueASCII(::switches::kRemoteDebuggingPort);
477 if (base::StringToInt(port_str, &port) && port > 0 && port < 65535) {
478 g_browser_process->CreateDevToolsHttpProtocolHandler(
479 chrome::HOST_DESKTOP_TYPE_NATIVE,
483 DLOG(WARNING) << "Invalid http debugger port number " << port;
488 // Heap allocated class that listens for first page load, kicks off stat
489 // recording and then deletes itself.
490 class LoadCompleteListener : public content::NotificationObserver {
492 LoadCompleteListener() {
494 content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
495 content::NotificationService::AllSources());
497 virtual ~LoadCompleteListener() {}
499 // content::NotificationObserver implementation.
500 virtual void Observe(int type,
501 const content::NotificationSource& source,
502 const content::NotificationDetails& details) OVERRIDE {
503 DCHECK_EQ(content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME, type);
504 startup_metric_utils::OnInitialPageLoadComplete();
509 content::NotificationRegistrar registrar_;
510 DISALLOW_COPY_AND_ASSIGN(LoadCompleteListener);
515 namespace chrome_browser {
517 // This error message is not localized because we failed to load the
518 // localization data files.
520 const char kMissingLocaleDataTitle[] = "Missing File Error";
523 #if defined(OS_WIN) || defined(TOOLKIT_GTK)
524 // TODO(port) This should be used on Linux Aura as well. http://crbug.com/338969
525 const char kMissingLocaleDataMessage[] =
526 "Unable to find locale data files. Please reinstall.";
529 } // namespace chrome_browser
531 // BrowserMainParts ------------------------------------------------------------
534 bool ChromeBrowserMainParts::disable_enforcing_cookie_policies_for_tests_ =
537 ChromeBrowserMainParts::ChromeBrowserMainParts(
538 const content::MainFunctionParams& parameters)
539 : parameters_(parameters),
540 parsed_command_line_(parameters.command_line),
541 result_code_(content::RESULT_CODE_NORMAL_EXIT),
542 startup_watcher_(new StartupTimeBomb()),
543 shutdown_watcher_(new ShutdownWatcherHelper()),
544 startup_timer_(new performance_monitor::StartupTimer()),
545 browser_field_trials_(parameters.command_line),
547 run_message_loop_(true),
548 notify_result_(ProcessSingleton::PROCESS_NONE),
550 restart_last_session_(false) {
551 // If we're running tests (ui_task is non-null).
552 if (parameters.ui_task)
553 browser_defaults::enable_help_app = false;
555 // Chrome disallows cookies by default. All code paths that want to use
556 // cookies need to go through one of Chrome's URLRequestContexts which have
557 // a ChromeNetworkDelegate attached that selectively allows cookies again.
558 if (!disable_enforcing_cookie_policies_for_tests_)
559 net::URLRequest::SetDefaultCookiePolicyToBlock();
562 ChromeBrowserMainParts::~ChromeBrowserMainParts() {
563 for (int i = static_cast<int>(chrome_extra_parts_.size())-1; i >= 0; --i)
564 delete chrome_extra_parts_[i];
565 chrome_extra_parts_.clear();
568 // This will be called after the command-line has been mutated by about:flags
569 void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
570 TRACE_EVENT0("startup", "ChromeBrowserMainParts::SetupMetricsAndFieldTrials");
571 // Must initialize metrics after labs have been converted into switches,
572 // but before field trials are set up (so that client ID is available for
573 // one-time randomized field trials).
574 #if defined(ARCH_CPU_64_BITS)
575 MetricsLog::set_version_extension("-64");
576 #endif // defined(ARCH_CPU_64_BITS)
578 // Initialize FieldTrialList to support FieldTrials that use one-time
580 MetricsService* metrics = browser_process_->metrics_service();
581 MetricsService::ReportingState reporting_state =
582 IsMetricsReportingEnabled() ? MetricsService::REPORTING_ENABLED :
583 MetricsService::REPORTING_DISABLED;
584 if (reporting_state == MetricsService::REPORTING_ENABLED)
585 metrics->ForceClientIdCreation(); // Needed below.
586 field_trial_list_.reset(
587 new base::FieldTrialList(
588 metrics->CreateEntropyProvider(reporting_state).release()));
590 const CommandLine* command_line = CommandLine::ForCurrentProcess();
591 if (command_line->HasSwitch(switches::kEnableBenchmarking))
592 base::FieldTrial::EnableBenchmarking();
594 // Ensure any field trials specified on the command line are initialized.
595 // Also stop the metrics service so that we don't pollute UMA.
596 if (command_line->HasSwitch(switches::kForceFieldTrials)) {
597 std::set<std::string> unforceable_field_trials;
598 #if defined(OFFICIAL_BUILD)
599 unforceable_field_trials.insert("SettingsEnforcement");
600 #endif // defined(OFFICIAL_BUILD)
602 // Create field trials without activating them, so that this behaves in a
603 // consistent manner with field trials created from the server.
604 bool result = base::FieldTrialList::CreateTrialsFromString(
605 command_line->GetSwitchValueASCII(switches::kForceFieldTrials),
606 base::FieldTrialList::DONT_ACTIVATE_TRIALS,
607 unforceable_field_trials);
608 CHECK(result) << "Invalid --" << switches::kForceFieldTrials
609 << " list specified.";
611 if (command_line->HasSwitch(switches::kForceVariationIds)) {
612 // Create default variation ids which will always be included in the
613 // X-Client-Data request header.
614 chrome_variations::VariationsHttpHeaderProvider* provider =
615 chrome_variations::VariationsHttpHeaderProvider::GetInstance();
616 bool result = provider->SetDefaultVariationIds(
617 command_line->GetSwitchValueASCII(switches::kForceVariationIds));
618 CHECK(result) << "Invalid --" << switches::kForceVariationIds
619 << " list specified.";
621 chrome_variations::VariationsService* variations_service =
622 browser_process_->variations_service();
623 if (variations_service)
624 variations_service->CreateTrialsFromSeed();
626 // This must be called after the local state is initialized.
627 browser_field_trials_.SetupFieldTrials(local_state_);
629 // Initialize FieldTrialSynchronizer system. This is a singleton and is used
630 // for posting tasks via base::Bind. Its deleted when it goes out of scope.
631 // Even though base::Bind does AddRef and Release, the object will not be
632 // deleted after the Task is executed.
633 field_trial_synchronizer_ = new FieldTrialSynchronizer();
635 // Now that field trials have been created, initializes metrics recording.
636 metrics->InitializeMetricsRecordingState(reporting_state);
639 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
641 void ChromeBrowserMainParts::StartMetricsRecording() {
642 TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording");
643 MetricsService* metrics = g_browser_process->metrics_service();
645 const bool only_do_metrics_recording =
646 parsed_command_line_.HasSwitch(switches::kMetricsRecordingOnly) ||
647 parsed_command_line_.HasSwitch(switches::kEnableBenchmarking);
648 if (only_do_metrics_recording) {
649 // If we're testing then we don't care what the user preference is, we turn
650 // on recording, but not reporting, otherwise tests fail.
651 metrics->StartRecordingForTests();
655 metrics->CheckForClonedInstall();
657 if (IsMetricsReportingEnabled())
661 bool ChromeBrowserMainParts::IsMetricsReportingEnabled() {
662 // If the user permits metrics reporting with the checkbox in the
663 // prefs, we turn on recording. We disable metrics completely for
664 // non-official builds. This can be forced with a flag.
665 const CommandLine* command_line = CommandLine::ForCurrentProcess();
666 if (command_line->HasSwitch(switches::kEnableMetricsReportingForTesting))
669 bool enabled = false;
670 // The debug build doesn't send UMA logs when FieldTrials are forced.
671 if (command_line->HasSwitch(switches::kForceFieldTrials))
674 #if defined(GOOGLE_CHROME_BUILD)
675 #if defined(OS_CHROMEOS)
676 chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
679 enabled = local_state_->GetBoolean(prefs::kMetricsReportingEnabled);
680 #endif // #if defined(OS_CHROMEOS)
681 #endif // defined(GOOGLE_CHROME_BUILD)
685 void ChromeBrowserMainParts::RecordBrowserStartupTime() {
686 // Don't record any metrics if UI was displayed before this point e.g.
688 if (startup_metric_utils::WasNonBrowserUIDisplayed())
691 #if defined(OS_ANDROID)
692 // On Android the first run is handled in Java code, and the C++ side of
693 // Chrome doesn't know if this is the first run. This will cause some
694 // inaccuracy in the UMA statistics, but this should be minor (first runs are
696 bool is_first_run = false;
698 bool is_first_run = first_run::IsChromeFirstRun();
701 // CurrentProcessInfo::CreationTime() is currently only implemented on some
703 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
704 const base::Time process_creation_time =
705 base::CurrentProcessInfo::CreationTime();
707 if (!is_first_run && !process_creation_time.is_null()) {
708 base::TimeDelta delay = base::Time::Now() - process_creation_time;
709 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserMessageLoopStartTime", delay);
711 #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
713 // Record collected startup metrics.
714 startup_metric_utils::OnBrowserStartupComplete(is_first_run);
717 new LoadCompleteListener();
720 // -----------------------------------------------------------------------------
721 // TODO(viettrungluu): move more/rest of BrowserMain() into BrowserMainParts.
724 #define DLLEXPORT __declspec(dllexport)
726 // We use extern C for the prototype DLLEXPORT to avoid C++ name mangling.
728 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded();
731 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
732 // Need an instance of AtExitManager to handle singleton creations and
733 // deletions. We need this new instance because, the old instance created
734 // in ChromeMain() got destructed when the function returned.
735 base::AtExitManager exit_manager;
736 upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded();
740 // content::BrowserMainParts implementation ------------------------------------
742 void ChromeBrowserMainParts::PreEarlyInitialization() {
743 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreEarlyInitialization");
744 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
745 chrome_extra_parts_[i]->PreEarlyInitialization();
748 void ChromeBrowserMainParts::PostEarlyInitialization() {
749 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostEarlyInitialization");
750 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
751 chrome_extra_parts_[i]->PostEarlyInitialization();
754 void ChromeBrowserMainParts::ToolkitInitialized() {
755 TRACE_EVENT0("startup", "ChromeBrowserMainParts::ToolkitInitialized");
756 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
757 chrome_extra_parts_[i]->ToolkitInitialized();
760 void ChromeBrowserMainParts::PreMainMessageLoopStart() {
761 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopStart");
762 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
763 chrome_extra_parts_[i]->PreMainMessageLoopStart();
766 void ChromeBrowserMainParts::PostMainMessageLoopStart() {
767 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopStart");
768 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
769 chrome_extra_parts_[i]->PostMainMessageLoopStart();
772 int ChromeBrowserMainParts::PreCreateThreads() {
773 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreads");
774 result_code_ = PreCreateThreadsImpl();
776 if (result_code_ == content::RESULT_CODE_NORMAL_EXIT) {
777 #if !defined(OS_ANDROID)
778 // These members must be initialized before exiting this function normally.
779 DCHECK(master_prefs_.get());
780 DCHECK(browser_creator_.get());
782 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
783 chrome_extra_parts_[i]->PreCreateThreads();
789 int ChromeBrowserMainParts::PreCreateThreadsImpl() {
790 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl")
791 run_message_loop_ = false;
792 #if !defined(OS_ANDROID)
793 chrome::MaybeShowInvalidUserDataDirWarningDialog();
795 if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_))
796 return chrome::RESULT_CODE_MISSING_DATA;
798 // Force MediaCaptureDevicesDispatcher to be created on UI thread.
799 MediaCaptureDevicesDispatcher::GetInstance();
801 // Android's first run is done in Java instead of native.
802 #if !defined(OS_ANDROID)
803 process_singleton_.reset(new ChromeProcessSingleton(
804 user_data_dir_, base::Bind(&ProcessSingletonNotificationCallback)));
806 // Cache first run state early.
807 first_run::IsChromeFirstRun();
810 scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
811 JsonPrefStore::GetTaskRunnerForFile(
812 base::FilePath(chrome::kLocalStorePoolName),
813 BrowserThread::GetBlockingPool());
816 TRACE_EVENT0("startup",
817 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitBrowswerProcessImpl");
818 browser_process_.reset(new BrowserProcessImpl(local_state_task_runner.get(),
819 parsed_command_line()));
822 if (parsed_command_line().HasSwitch(switches::kEnableProfiling)) {
823 TRACE_EVENT0("startup",
824 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitProfiling");
825 // User wants to override default tracking status.
827 parsed_command_line().GetSwitchValueASCII(switches::kEnableProfiling);
828 // Default to basic profiling (no parent child support).
829 tracked_objects::ThreadData::Status status =
830 tracked_objects::ThreadData::PROFILING_ACTIVE;
831 if (flag.compare("0") != 0)
832 status = tracked_objects::ThreadData::DEACTIVATED;
833 else if (flag.compare("child") != 0)
834 status = tracked_objects::ThreadData::PROFILING_CHILDREN_ACTIVE;
835 tracked_objects::ThreadData::InitializeAndSetTrackingStatus(status);
838 if (parsed_command_line().HasSwitch(switches::kProfilingOutputFile)) {
839 tracking_objects_.set_output_file_path(
840 parsed_command_line().GetSwitchValuePath(
841 switches::kProfilingOutputFile));
844 local_state_ = InitializeLocalState(
845 local_state_task_runner.get(), parsed_command_line());
847 #if !defined(OS_ANDROID)
848 // These members must be initialized before returning from this function.
849 master_prefs_.reset(new first_run::MasterPrefs);
850 // Android doesn't use StartupBrowserCreator.
851 browser_creator_.reset(new StartupBrowserCreator);
852 // TODO(yfriedman): Refactor Android to re-use UMABrowsingActivityObserver
853 chrome::UMABrowsingActivityObserver::Init();
856 #if !defined(OS_CHROMEOS)
857 // Convert active labs into switches. This needs to be done before
858 // ResourceBundle::InitSharedInstanceWithLocale as some loaded resources are
859 // affected by experiment flags (--touch-optimized-ui in particular).
860 // On ChromeOS system level flags are applied from the device settings from
861 // the session manager.
863 TRACE_EVENT0("startup",
864 "ChromeBrowserMainParts::PreCreateThreadsImpl:ConvertFlags");
865 about_flags::PrefServiceFlagsStorage flags_storage_(
866 g_browser_process->local_state());
867 about_flags::ConvertFlagsToSwitches(&flags_storage_,
868 CommandLine::ForCurrentProcess(),
869 about_flags::kAddSentinels);
873 local_state_->UpdateCommandLinePrefStore(
874 new CommandLinePrefStore(CommandLine::ForCurrentProcess()));
876 // Reset the command line in the crash report details, since we may have
877 // just changed it to include experiments.
878 crash_keys::SetSwitchesFromCommandLine(CommandLine::ForCurrentProcess());
880 // Mac starts it earlier in |PreMainMessageLoopStart()| (because it is
881 // needed when loading the MainMenu.nib and the language doesn't depend on
882 // anything since it comes from Cocoa.
883 #if defined(OS_MACOSX)
885 parameters().ui_task ? "en-US" : l10n_util::GetLocaleOverride();
886 browser_process_->SetApplicationLocale(locale);
888 const std::string locale =
889 local_state_->GetString(prefs::kApplicationLocale);
891 // On a POSIX OS other than ChromeOS, the parameter that is passed to the
892 // method InitSharedInstance is ignored.
894 TRACE_EVENT_BEGIN0("startup",
895 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
896 const std::string loaded_locale =
897 ResourceBundle::InitSharedInstanceWithLocale(locale, NULL);
898 TRACE_EVENT_END0("startup",
899 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
901 if (loaded_locale.empty() &&
902 !parsed_command_line().HasSwitch(switches::kNoErrorDialogs)) {
903 ShowMissingLocaleMessageBox();
904 return chrome::RESULT_CODE_MISSING_DATA;
906 CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
907 browser_process_->SetApplicationLocale(loaded_locale);
909 base::FilePath resources_pack_path;
910 PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
912 TRACE_EVENT0("startup",
913 "ChromeBrowserMainParts::PreCreateThreadsImpl:AddDataPack");
914 ResourceBundle::GetSharedInstance().AddDataPackFromPath(
915 resources_pack_path, ui::SCALE_FACTOR_NONE);
917 #endif // defined(OS_MACOSX)
919 #if defined(TOOLKIT_GTK)
920 g_set_application_name(l10n_util::GetStringUTF8(IDS_PRODUCT_NAME).c_str());
923 // Android does first run in Java instead of native.
924 // Chrome OS has its own out-of-box-experience code.
925 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
926 // On first run, we need to process the predictor preferences before the
927 // browser's profile_manager object is created, but after ResourceBundle
929 if (first_run::IsChromeFirstRun()) {
930 first_run::ProcessMasterPreferencesResult pmp_result =
931 first_run::ProcessMasterPreferences(user_data_dir_,
932 master_prefs_.get());
933 if (pmp_result == first_run::EULA_EXIT_NOW)
934 return chrome::RESULT_CODE_EULA_REFUSED;
936 if (!parsed_command_line().HasSwitch(switches::kApp) &&
937 !parsed_command_line().HasSwitch(switches::kAppId) &&
938 !parsed_command_line().HasSwitch(switches::kShowAppList)) {
939 AddFirstRunNewTabs(browser_creator_.get(), master_prefs_->new_tabs);
942 // TODO(macourteau): refactor preferences that are copied from
943 // master_preferences into local_state, as a "local_state" section in
944 // master preferences. If possible, a generic solution would be prefered
945 // over a copy one-by-one of specific preferences. Also see related TODO
948 // Store the initial VariationsService seed in local state, if it exists
950 if (!master_prefs_->variations_seed.empty()) {
951 local_state_->SetString(prefs::kVariationsSeed,
952 master_prefs_->variations_seed);
953 if (!master_prefs_->variations_seed_signature.empty()) {
954 local_state_->SetString(prefs::kVariationsSeedSignature,
955 master_prefs_->variations_seed_signature);
957 // Set the variation seed date to the current system time. If the user's
958 // clock is incorrect, this may cause some field trial expiry checks to
959 // not do the right thing until the next seed update from the server,
960 // when this value will be updated.
961 local_state_->SetInt64(prefs::kVariationsSeedDate,
962 base::Time::Now().ToInternalValue());
965 if (!master_prefs_->suppress_default_browser_prompt_for_version.empty()) {
966 local_state_->SetString(
967 prefs::kBrowserSuppressDefaultBrowserPrompt,
968 master_prefs_->suppress_default_browser_prompt_for_version);
971 AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->HandleFirstRun();
975 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
976 // Set the product channel for crash reports.
977 base::debug::SetCrashKeyValue(crash_keys::kChannel,
978 chrome::VersionInfo::GetVersionStringModifier());
981 // Initialize tracking synchronizer system.
982 tracking_synchronizer_ = new chrome_browser_metrics::TrackingSynchronizer();
984 // Now that all preferences have been registered, set the install date
985 // for the uninstall metrics if this is our first run. This only actually
986 // gets used if the user has metrics reporting enabled at uninstall time.
987 int64 install_date = local_state_->GetInt64(prefs::kInstallDate);
988 if (install_date == 0)
989 local_state_->SetInt64(prefs::kInstallDate, base::Time::Now().ToTimeT());
991 #if defined(OS_MACOSX)
992 // Get the Keychain API to register for distributed notifications on the main
993 // thread, which has a proper CFRunloop, instead of later on the I/O thread,
994 // which doesn't. This ensures those notifications will get delivered
995 // properly. See issue 37766.
996 // (Note that the callback mask here is empty. I don't want to register for
997 // any callbacks, I just want to initialize the mechanism.)
998 SecKeychainAddCallback(&KeychainCallback, 0, NULL);
1001 #if defined(OS_CHROMEOS)
1002 // Must be done after g_browser_process is constructed, before
1003 // SetupMetricsAndFieldTrials().
1004 chromeos::CrosSettings::Initialize();
1007 // Now the command line has been mutated based on about:flags, we can setup
1008 // metrics and initialize field trials. The field trials are needed by
1009 // IOThread's initialization which happens in BrowserProcess:PreCreateThreads.
1010 SetupMetricsAndFieldTrials();
1012 // ChromeOS needs ResourceBundle::InitSharedInstance to be called before this.
1013 browser_process_->PreCreateThreads();
1015 return content::RESULT_CODE_NORMAL_EXIT;
1018 void ChromeBrowserMainParts::PreMainMessageLoopRun() {
1019 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRun");
1020 result_code_ = PreMainMessageLoopRunImpl();
1022 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1023 chrome_extra_parts_[i]->PreMainMessageLoopRun();
1026 // PreMainMessageLoopRun calls these extra stages in the following order:
1027 // PreMainMessageLoopRunImpl()
1028 // ... initial setup, including browser_process_ setup.
1030 // ... additional setup, including CreateProfile()
1031 // PostProfileInit()
1032 // ... additional setup
1033 // PreBrowserStart()
1034 // ... browser_creator_->Start (OR parameters().ui_task->Run())
1035 // PostBrowserStart()
1037 void ChromeBrowserMainParts::PreProfileInit() {
1038 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreProfileInit");
1040 // Initialize the feedback uploader so it can setup notifications for profile
1042 feedback::FeedbackProfileObserver::Initialize();
1044 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1045 chrome_extra_parts_[i]->PreProfileInit();
1047 #if !defined(OS_ANDROID)
1048 ProfileManager* profile_manager = g_browser_process->profile_manager();
1050 // First check if any ephemeral profiles are left behind because of browser
1051 // crash and schedule them for deletion and then proceed with getting the set
1052 // of profiles to open.
1053 ProfileInfoCache& profile_cache = profile_manager->GetProfileInfoCache();
1054 size_t profiles_count = profile_cache.GetNumberOfProfiles();
1055 std::vector<base::FilePath> profiles_to_delete;
1056 for (size_t i = 0;i < profiles_count; ++i) {
1057 if (profile_cache.ProfileIsEphemeralAtIndex(i))
1058 profiles_to_delete.push_back(profile_cache.GetPathOfProfileAtIndex(i));
1061 if (profiles_to_delete.size()) {
1062 for (size_t i = 0;i < profiles_to_delete.size(); ++i) {
1063 profile_manager->ScheduleProfileForDeletion(
1064 profiles_to_delete[i], ProfileManager::CreateCallback());
1066 // Clean up stale profiles immediately after browser start.
1067 BrowserThread::PostTask(
1068 BrowserThread::FILE, FROM_HERE,
1069 base::Bind(&ProfileManager::CleanUpStaleProfiles, profiles_to_delete));
1071 #endif // OS_ANDROID
1074 void ChromeBrowserMainParts::PostProfileInit() {
1075 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostProfileInit");
1076 LaunchDevToolsHandlerIfNeeded(parsed_command_line());
1077 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1078 chrome_extra_parts_[i]->PostProfileInit();
1081 void ChromeBrowserMainParts::PreBrowserStart() {
1082 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreBrowserStart");
1083 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1084 chrome_extra_parts_[i]->PreBrowserStart();
1086 three_d_observer_.reset(new ThreeDAPIObserver());
1089 void ChromeBrowserMainParts::PostBrowserStart() {
1090 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostBrowserStart");
1091 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1092 chrome_extra_parts_[i]->PostBrowserStart();
1093 #if !defined(OS_ANDROID)
1094 // Allow ProcessSingleton to process messages.
1095 process_singleton_->Unlock();
1097 #if defined(ENABLE_WEBRTC)
1098 // Set up a task to delete old WebRTC log files for all profiles. Use a delay
1099 // to reduce the impact on startup time.
1100 BrowserThread::PostDelayedTask(
1103 base::Bind(&WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles),
1104 base::TimeDelta::FromMinutes(1));
1108 int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
1109 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl");
1110 // Android updates the metrics service dynamically depending on whether the
1111 // application is in the foreground or not. Do not start here.
1112 #if !defined(OS_ANDROID)
1113 // Now that the file thread has been started, start recording.
1114 StartMetricsRecording();
1117 if (IsMetricsReportingEnabled()) {
1118 browser_process_->rappor_service()->Start(
1119 browser_process_->local_state(),
1120 browser_process_->system_request_context());
1123 // Create watchdog thread after creating all other threads because it will
1124 // watch the other threads and they must be running.
1125 browser_process_->watchdog_thread();
1127 // Do any initializating in the browser process that requires all threads
1129 browser_process_->PreMainMessageLoopRun();
1131 // Record last shutdown time into a histogram.
1132 browser_shutdown::ReadLastShutdownInfo();
1135 // On Windows, we use our startup as an opportunity to do upgrade/uninstall
1136 // tasks. Those care whether the browser is already running. On Linux/Mac,
1137 // upgrade/uninstall happen separately.
1138 bool already_running = browser_util::IsBrowserAlreadyRunning();
1140 // If the command line specifies 'uninstall' then we need to work here
1141 // unless we detect another chrome browser running.
1142 if (parsed_command_line().HasSwitch(switches::kUninstall)) {
1143 return DoUninstallTasks(already_running);
1146 if (parsed_command_line().HasSwitch(switches::kHideIcons) ||
1147 parsed_command_line().HasSwitch(switches::kShowIcons)) {
1148 return ChromeBrowserMainPartsWin::HandleIconsCommands(
1149 parsed_command_line_);
1153 if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
1154 return ShellIntegration::SetAsDefaultBrowser() ?
1155 static_cast<int>(content::RESULT_CODE_NORMAL_EXIT) :
1156 static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED);
1159 #if defined(USE_AURA)
1160 // Env creates the compositor. Aura widgets need the compositor to be created
1161 // before they can be initialized by the browser.
1162 aura::Env::CreateInstance();
1165 // Android doesn't support extensions and doesn't implement ProcessSingleton.
1166 #if !defined(OS_ANDROID)
1167 // If the command line specifies --pack-extension, attempt the pack extension
1168 // startup action and exit.
1169 if (parsed_command_line().HasSwitch(switches::kPackExtension)) {
1170 extensions::StartupHelper extension_startup_helper;
1171 if (extension_startup_helper.PackExtension(parsed_command_line()))
1172 return content::RESULT_CODE_NORMAL_EXIT;
1173 return chrome::RESULT_CODE_PACK_EXTENSION_ERROR;
1176 // If we're being launched just to check the connector policy, we are
1177 // short-lived and don't want to be passing that switch off.
1178 bool pass_command_line = !parsed_command_line().HasSwitch(
1179 switches::kCheckCloudPrintConnectorPolicy);
1181 if (pass_command_line) {
1182 // When another process is running, use that process instead of starting a
1183 // new one. NotifyOtherProcess will currently give the other process up to
1184 // 20 seconds to respond. Note that this needs to be done before we attempt
1185 // to read the profile.
1186 notify_result_ = process_singleton_->NotifyOtherProcessOrCreate();
1187 switch (notify_result_) {
1188 case ProcessSingleton::PROCESS_NONE:
1189 // No process already running, fall through to starting a new one.
1192 case ProcessSingleton::PROCESS_NOTIFIED:
1193 #if defined(OS_POSIX) && !defined(OS_MACOSX)
1194 printf("%s\n", base::SysWideToNativeMB(base::UTF16ToWide(
1195 l10n_util::GetStringUTF16(IDS_USED_EXISTING_BROWSER))).c_str());
1197 // Having a differentiated return type for testing allows for tests to
1198 // verify proper handling of some switches. When not testing, stick to
1199 // the standard Unix convention of returning zero when things went as
1201 if (parsed_command_line().HasSwitch(switches::kTestType))
1202 return chrome::RESULT_CODE_NORMAL_EXIT_PROCESS_NOTIFIED;
1203 return content::RESULT_CODE_NORMAL_EXIT;
1205 case ProcessSingleton::PROFILE_IN_USE:
1206 return chrome::RESULT_CODE_PROFILE_IN_USE;
1208 case ProcessSingleton::LOCK_ERROR:
1209 LOG(ERROR) << "Failed to create a ProcessSingleton for your profile "
1210 "directory. This means that running multiple instances "
1211 "would start multiple browser processes rather than "
1212 "opening a new window in the existing process. Aborting "
1213 "now to avoid profile corruption.";
1214 return chrome::RESULT_CODE_PROFILE_IN_USE;
1220 #endif // !defined(OS_ANDROID)
1222 // Handle special early return paths (which couldn't be processed even earlier
1223 // as they require the process singleton to be held) first.
1225 std::string try_chrome =
1226 parsed_command_line().GetSwitchValueASCII(switches::kTryChromeAgain);
1227 if (!try_chrome.empty()) {
1229 // Setup.exe has determined that we need to run a retention experiment
1230 // and has lauched chrome to show the experiment UI. It is guaranteed that
1231 // no other Chrome is currently running as the process singleton was
1232 // sucessfully grabbed above.
1234 base::StringToInt(try_chrome, &try_chrome_int);
1235 TryChromeDialogView::Result answer = TryChromeDialogView::Show(
1237 base::Bind(&ChromeProcessSingleton::SetActiveModalDialog,
1238 base::Unretained(process_singleton_.get())));
1239 if (answer == TryChromeDialogView::NOT_NOW)
1240 return chrome::RESULT_CODE_NORMAL_EXIT_CANCEL;
1241 if (answer == TryChromeDialogView::UNINSTALL_CHROME)
1242 return chrome::RESULT_CODE_NORMAL_EXIT_EXP2;
1243 // At this point the user is willing to try chrome again.
1244 if (answer == TryChromeDialogView::TRY_CHROME_AS_DEFAULT) {
1245 // Only set in the unattended case, the interactive case is Windows 8.
1246 if (ShellIntegration::CanSetAsDefaultBrowser() ==
1247 ShellIntegration::SET_DEFAULT_UNATTENDED)
1248 ShellIntegration::SetAsDefaultBrowser();
1251 // We don't support retention experiments on Mac or Linux.
1252 return content::RESULT_CODE_NORMAL_EXIT;
1253 #endif // defined(OS_WIN)
1257 // Do the tasks if chrome has been upgraded while it was last running.
1258 if (!already_running && upgrade_util::DoUpgradeTasks(parsed_command_line()))
1259 return content::RESULT_CODE_NORMAL_EXIT;
1261 // Check if there is any machine level Chrome installed on the current
1262 // machine. If yes and the current Chrome process is user level, we do not
1263 // allow the user level Chrome to run. So we notify the user and uninstall
1264 // user level Chrome.
1265 // Note this check needs to happen here (after the process singleton was
1266 // obtained but before potentially creating the first run sentinel).
1267 if (ChromeBrowserMainPartsWin::CheckMachineLevelInstall())
1268 return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS;
1269 #endif // defined(OS_WIN)
1271 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1272 if (sxs_linux::ShouldMigrateUserDataDir())
1273 return sxs_linux::MigrateUserDataDir();
1274 #endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
1276 // Desktop construction occurs here, (required before profile creation).
1279 // Profile creation ----------------------------------------------------------
1281 MetricsService::SetExecutionPhase(MetricsService::CREATE_PROFILE);
1282 profile_ = CreatePrimaryProfile(parameters(),
1284 parsed_command_line());
1286 return content::RESULT_CODE_NORMAL_EXIT;
1288 #if !defined(OS_ANDROID)
1289 // The first run sentinel must be created after the process singleton was
1290 // grabbed and no early return paths were otherwise hit above.
1291 first_run::CreateSentinelIfNeeded();
1292 #endif // !defined(OS_ANDROID)
1294 #if defined(ENABLE_BACKGROUND)
1295 // Autoload any profiles which are running background apps.
1296 // TODO(rlp): Do this on a separate thread. See http://crbug.com/99075.
1297 browser_process_->profile_manager()->AutoloadProfiles();
1299 // Post-profile init ---------------------------------------------------------
1301 TranslateService::Initialize();
1303 // Needs to be done before PostProfileInit, since login manager on CrOS is
1304 // called inside PostProfileInit.
1305 content::WebUIControllerFactory::RegisterFactory(
1306 ChromeWebUIControllerFactory::GetInstance());
1308 // NaClBrowserDelegateImpl is accessed inside PostProfileInit().
1309 // So make sure to create it before that.
1310 #if !defined(DISABLE_NACL)
1311 NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl(
1312 extensions::ExtensionSystem::Get(profile_)->info_map());
1313 nacl::NaClBrowser::SetDelegate(delegate);
1316 // TODO(stevenjb): Move WIN and MACOSX specific code to appropriate Parts.
1317 // (requires supporting early exit).
1320 // Retrieve cached GL strings from local state and use them for GPU
1321 // blacklist decisions.
1322 if (g_browser_process->gl_string_manager())
1323 g_browser_process->gl_string_manager()->Initialize();
1325 // Create an instance of GpuModeManager to watch gpu mode pref change.
1326 g_browser_process->gpu_mode_manager();
1328 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
1329 // Show the First Run UI if this is the first time Chrome has been run on
1330 // this computer, or we're being compelled to do so by a command line flag.
1331 // Note that this be done _after_ the PrefService is initialized and all
1332 // preferences are registered, since some of the code that the importer
1333 // touches reads preferences.
1334 if (first_run::IsChromeFirstRun()) {
1335 first_run::AutoImport(profile_,
1336 master_prefs_->homepage_defined,
1337 master_prefs_->do_import_items,
1338 master_prefs_->dont_import_items,
1339 master_prefs_->import_bookmarks_path);
1341 // Note: this can pop the first run consent dialog on linux.
1342 first_run::DoPostImportTasks(profile_,
1343 master_prefs_->make_chrome_default_for_user);
1345 if (!master_prefs_->suppress_first_run_default_browser_prompt) {
1346 browser_creator_->set_show_main_browser_window(
1347 !chrome::ShowFirstRunDefaultBrowserPrompt(profile_));
1349 browser_creator_->set_is_default_browser_dialog_suppressed(true);
1352 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
1355 // Sets things up so that if we crash from this point on, a dialog will
1356 // popup asking the user to restart chrome. It is done this late to avoid
1357 // testing against a bunch of special cases that are taken care early on.
1358 ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
1359 parsed_command_line());
1361 // Registers Chrome with the Windows Restart Manager, which will restore the
1362 // Chrome session when the computer is restarted after a system update.
1363 // This could be run as late as WM_QUERYENDSESSION for system update reboots,
1364 // but should run on startup if extended to handle crashes/hangs/patches.
1365 // Also, better to run once here than once for each HWND's WM_QUERYENDSESSION.
1366 if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
1367 ChromeBrowserMainPartsWin::RegisterApplicationRestart(
1368 parsed_command_line());
1371 // Verify that the profile is not on a network share and if so prepare to show
1372 // notification to the user.
1373 if (NetworkProfileBubble::ShouldCheckNetworkProfile(profile_)) {
1374 content::BrowserThread::PostTask(content::BrowserThread::FILE, FROM_HERE,
1375 base::Bind(&NetworkProfileBubble::CheckNetworkProfile,
1376 profile_->GetPath()));
1380 #if defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
1381 // Init the RLZ library. This just binds the dll and schedules a task on the
1382 // file thread to be run sometime later. If this is the first run we record
1383 // the installation event.
1384 PrefService* pref_service = profile_->GetPrefs();
1385 int ping_delay = first_run::IsChromeFirstRun() ? master_prefs_->ping_delay :
1386 pref_service->GetInteger(first_run::GetPingDelayPrefName().c_str());
1387 // Negative ping delay means to send ping immediately after a first search is
1389 RLZTracker::InitRlzFromProfileDelayed(
1390 profile_, first_run::IsChromeFirstRun(), ping_delay < 0,
1391 base::TimeDelta::FromMilliseconds(abs(ping_delay)));
1392 #endif // defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
1394 // Configure modules that need access to resources.
1395 net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
1397 // In unittest mode, this will do nothing. In normal mode, this will create
1398 // the global IntranetRedirectDetector instance, which will promptly go to
1399 // sleep for seven seconds (to avoid slowing startup), and wake up afterwards
1400 // to see if it should do anything else.
1402 // A simpler way of doing all this would be to have some function which could
1403 // give the time elapsed since startup, and simply have this object check that
1404 // when asked to initialize itself, but this doesn't seem to exist.
1406 // This can't be created in the BrowserProcessImpl constructor because it
1407 // needs to read prefs that get set after that runs.
1408 browser_process_->intranet_redirect_detector();
1409 GoogleSearchCounter::RegisterForNotifications();
1411 if (parsed_command_line().HasSwitch(switches::kEnableSdchOverHttps)) {
1412 net::SdchManager::EnableSecureSchemeSupport(true);
1415 if (parsed_command_line().HasSwitch(switches::kEnableWatchdog))
1416 InstallJankometer(parsed_command_line());
1418 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
1419 if (parsed_command_line().HasSwitch(switches::kDebugPrint)) {
1420 base::FilePath path =
1421 parsed_command_line().GetSwitchValuePath(switches::kDebugPrint);
1422 printing::PrintedDocument::set_debug_dump_path(path);
1426 HandleTestParameters(parsed_command_line());
1427 browser_process_->metrics_service()->RecordBreakpadHasDebugger(
1428 base::debug::BeingDebugged());
1430 language_usage_metrics::LanguageUsageMetrics::RecordAcceptLanguages(
1431 profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
1432 language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage(
1433 browser_process_->GetApplicationLocale());
1435 // The extension service may be available at this point. If the command line
1436 // specifies --uninstall-extension, attempt the uninstall extension startup
1438 if (parsed_command_line().HasSwitch(switches::kUninstallExtension)) {
1439 extensions::StartupHelper extension_startup_helper;
1440 if (extension_startup_helper.UninstallExtension(
1441 parsed_command_line(), profile_))
1442 return content::RESULT_CODE_NORMAL_EXIT;
1443 return chrome::RESULT_CODE_UNINSTALL_EXTENSION_ERROR;
1446 // Start watching for hangs during startup. We disarm this hang detector when
1447 // ThreadWatcher takes over or when browser is shutdown or when
1448 // startup_watcher_ is deleted.
1449 MetricsService::SetExecutionPhase(MetricsService::STARTUP_TIMEBOMB_ARM);
1450 startup_watcher_->Arm(base::TimeDelta::FromSeconds(300));
1452 // On mobile, need for clean shutdown arises only when the application comes
1453 // to foreground (i.e. MetricsService::OnAppEnterForeground is called).
1454 // http://crbug.com/179143
1455 #if !defined(OS_ANDROID)
1456 // Start watching for a hang.
1457 MetricsService::LogNeedForCleanShutdown();
1460 #if defined(ENABLE_FULL_PRINTING)
1461 // Create the instance of the cloud print proxy service so that it can launch
1462 // the service process if needed. This is needed because the service process
1463 // might have shutdown because an update was available.
1464 // TODO(torne): this should maybe be done with
1465 // BrowserContextKeyedServiceFactory::ServiceIsCreatedWithBrowserContext()
1467 CloudPrintProxyServiceFactory::GetForProfile(profile_);
1470 // Start watching all browser threads for responsiveness.
1471 MetricsService::SetExecutionPhase(MetricsService::THREAD_WATCHER_START);
1472 ThreadWatcherList::StartWatchingAll(parsed_command_line());
1474 #if !defined(DISABLE_NACL)
1475 content::BrowserThread::PostTask(
1476 content::BrowserThread::IO,
1478 base::Bind(nacl::NaClProcessHost::EarlyStartup));
1481 // Make sure initial prefs are recorded
1482 PrefMetricsService::Factory::GetForProfile(profile_);
1486 // Instantiate the notification UI manager, as this triggers a perf timer
1487 // used to measure startup time. TODO(stevenjb): Figure out what is actually
1488 // triggering the timer and call that explicitly in the approprate place.
1489 // http://crbug.com/105065.
1490 browser_process_->notification_ui_manager();
1492 if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate))
1493 RegisterComponentsForUpdate(parsed_command_line());
1495 #if defined(OS_ANDROID)
1496 chrome_variations::VariationsService* variations_service =
1497 browser_process_->variations_service();
1498 if (variations_service) {
1499 variations_service->set_policy_pref_service(profile_->GetPrefs());
1500 variations_service->StartRepeatedVariationsSeedFetch();
1502 TranslateDownloadManager::RequestLanguageList(profile_->GetPrefs());
1505 // Most general initialization is behind us, but opening a
1506 // tab and/or session restore and such is still to be done.
1507 base::TimeTicks browser_open_start = base::TimeTicks::Now();
1509 // We are in regular browser boot sequence. Open initial tabs and enter the
1510 // main message loop.
1512 #if defined(OS_CHROMEOS)
1513 // On ChromeOS multiple profiles doesn't apply, and will break if we load
1514 // them this early as the cryptohome hasn't yet been mounted (which happens
1515 // only once we log in.
1516 std::vector<Profile*> last_opened_profiles;
1518 std::vector<Profile*> last_opened_profiles =
1519 g_browser_process->profile_manager()->GetLastOpenedProfiles();
1522 if (browser_creator_->Start(parsed_command_line(), base::FilePath(),
1523 profile_, last_opened_profiles, &result_code)) {
1524 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
1525 // Initialize autoupdate timer. Timer callback costs basically nothing
1526 // when browser is not in persistent mode, so it's OK to let it ride on
1527 // the main thread. This needs to be done here because we don't want
1528 // to start the timer when Chrome is run inside a test harness.
1529 browser_process_->StartAutoupdateTimer();
1532 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1533 // On Linux, the running exe will be updated if an upgrade becomes
1534 // available while the browser is running. We need to save the last
1535 // modified time of the exe, so we can compare to determine if there is
1536 // an upgrade while the browser is kept alive by a persistent extension.
1537 upgrade_util::SaveLastModifiedTimeOfExe();
1540 // Record now as the last successful chrome start.
1541 GoogleUpdateSettings::SetLastRunTime();
1543 #if defined(OS_MACOSX)
1544 // Call Recycle() here as late as possible, before going into the loop
1545 // because Start() will add things to it while creating the main window.
1546 if (parameters().autorelease_pool)
1547 parameters().autorelease_pool->Recycle();
1550 base::TimeDelta delay = base::TimeTicks::Now() - browser_open_start;
1551 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserOpenTabs", delay);
1553 // If we're running tests (ui_task is non-null), then we don't want to
1554 // call RequestLanguageList or StartRepeatedVariationsSeedFetch or
1555 // RequestLanguageList
1556 if (parameters().ui_task == NULL) {
1557 // Request new variations seed information from server.
1558 chrome_variations::VariationsService* variations_service =
1559 browser_process_->variations_service();
1560 if (variations_service) {
1561 variations_service->StartRepeatedVariationsSeedFetch();
1564 variations_service->StartGoogleUpdateRegistrySync();
1568 TranslateDownloadManager::RequestLanguageList(profile_->GetPrefs());
1571 run_message_loop_ = true;
1573 run_message_loop_ = false;
1575 browser_creator_.reset();
1576 #endif // !defined(OS_ANDROID)
1578 performance_monitor::PerformanceMonitor::GetInstance()->Initialize();
1582 chrome_prefs::SchedulePrefHashStoresUpdateCheck(profile_->GetPath());
1584 if (parameters().ui_task) {
1585 // We end the startup timer here if we have parameters to run, because we
1586 // never start to run the main loop (where we normally stop the timer).
1587 startup_timer_->SignalStartupComplete(
1588 performance_monitor::StartupTimer::STARTUP_TEST);
1589 parameters().ui_task->Run();
1590 delete parameters().ui_task;
1591 run_message_loop_ = false;
1593 #if defined(OS_ANDROID)
1594 // We never run the C++ main loop on Android, since the UI thread message
1595 // loop is controlled by the OS, so this is as close as we can get to
1596 // the start of the main loop
1597 if (result_code_ <= 0) {
1598 RecordBrowserStartupTime();
1601 return result_code_;
1604 bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
1605 TRACE_EVENT0("startup", "ChromeBrowserMainParts::MainMessageLoopRun");
1606 #if defined(OS_ANDROID)
1607 // Chrome on Android does not use default MessageLoop. It has its own
1608 // Android specific MessageLoop
1612 // Set the result code set in PreMainMessageLoopRun or set above.
1613 *result_code = result_code_;
1614 if (!run_message_loop_)
1615 return true; // Don't run the default message loop.
1617 // These should be invoked as close to the start of the browser's
1618 // UI thread message loop as possible to get a stable measurement
1620 RecordBrowserStartupTime();
1621 startup_timer_->SignalStartupComplete(
1622 performance_monitor::StartupTimer::STARTUP_NORMAL);
1624 DCHECK(base::MessageLoopForUI::IsCurrent());
1625 base::RunLoop run_loop;
1627 performance_monitor::PerformanceMonitor::GetInstance()->StartGatherCycle();
1629 MetricsService::SetExecutionPhase(MetricsService::MAIN_MESSAGE_LOOP_RUN);
1636 void ChromeBrowserMainParts::PostMainMessageLoopRun() {
1637 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopRun");
1638 #if defined(OS_ANDROID)
1639 // Chrome on Android does not use default MessageLoop. It has its own
1640 // Android specific MessageLoop
1644 // Start watching for jank during shutdown. It gets disarmed when
1645 // |shutdown_watcher_| object is destructed.
1646 MetricsService::SetExecutionPhase(MetricsService::SHUTDOWN_TIMEBOMB_ARM);
1647 shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(300));
1649 // Disarm the startup hang detector time bomb if it is still Arm'ed.
1650 startup_watcher_->Disarm();
1652 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1653 chrome_extra_parts_[i]->PostMainMessageLoopRun();
1655 // Some tests don't set parameters.ui_task, so they started translate
1656 // language fetch that was never completed so we need to cleanup here
1657 // otherwise it will be done by the destructor in a wrong thread.
1658 TranslateService::Shutdown(parameters().ui_task == NULL);
1660 if (notify_result_ == ProcessSingleton::PROCESS_NONE)
1661 process_singleton_->Cleanup();
1663 // Stop all tasks that might run on WatchDogThread.
1664 ThreadWatcherList::StopWatchingAll();
1666 browser_process_->metrics_service()->Stop();
1668 restart_last_session_ = browser_shutdown::ShutdownPreThreadsStop();
1669 browser_process_->StartTearDown();
1673 void ChromeBrowserMainParts::PostDestroyThreads() {
1674 #if defined(OS_ANDROID)
1675 // On Android, there is no quit/exit. So the browser's main message loop will
1679 browser_process_->PostDestroyThreads();
1680 // browser_shutdown takes care of deleting browser_process, so we need to
1682 ignore_result(browser_process_.release());
1683 browser_shutdown::ShutdownPostThreadsStop(restart_last_session_);
1684 master_prefs_.reset();
1685 process_singleton_.reset();
1687 // We need to do this check as late as possible, but due to modularity, this
1688 // may be the last point in Chrome. This would be more effective if done at
1689 // a higher level on the stack, so that it is impossible for an early return
1690 // to bypass this code. Perhaps we need a *final* hook that is called on all
1691 // paths from content/browser/browser_main.
1692 CHECK(MetricsService::UmaMetricsProperlyShutdown());
1694 #if defined(OS_CHROMEOS)
1695 chromeos::CrosSettings::Shutdown();
1702 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
1703 chrome_extra_parts_.push_back(parts);