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chromium / chromium / src / 7c9abe71bce004b6b3af1cef691f7ca8a455e56b / . / chrome / browser / chrome_browser_main.cc
blob: a25f68af465a51feda5dc66c2f9c6c094db0bcf7 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chrome_browser_main.h"
#include <stddef.h>
#include <stdint.h>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/crash_logging.h"
#include "base/debug/debugger.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/path_service.h"
#include "base/profiler/scoped_tracker.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/sys_info.h"
#include "base/threading/platform_thread.h"
#include "base/time/default_tick_clock.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "base/values.h"
#include "build/build_config.h"
#include "cc/base/switches.h"
#include "chrome/browser/about_flags.h"
#include "chrome/browser/after_startup_task_utils.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_process_impl.h"
#include "chrome/browser/browser_process_platform_part.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/chrome_browser_main_extra_parts.h"
#include "chrome/browser/component_updater/ev_whitelist_component_installer.h"
#include "chrome/browser/component_updater/file_type_policies_component_installer.h"
#include "chrome/browser/component_updater/origin_trials_component_installer.h"
#include "chrome/browser/component_updater/pepper_flash_component_installer.h"
#include "chrome/browser/component_updater/recovery_component_installer.h"
#include "chrome/browser/component_updater/sth_set_component_installer.h"
#include "chrome/browser/component_updater/subresource_filter_component_installer.h"
#include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
#include "chrome/browser/component_updater/swiftshader_component_installer.h"
#include "chrome/browser/component_updater/widevine_cdm_component_installer.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/first_run/first_run.h"
#include "chrome/browser/geolocation/chrome_access_token_store.h"
#include "chrome/browser/gpu/gl_string_manager.h"
#include "chrome/browser/gpu/three_d_api_observer.h"
#include "chrome/browser/media/media_capture_devices_dispatcher.h"
#include "chrome/browser/memory/tab_manager.h"
#include "chrome/browser/metrics/field_trial_synchronizer.h"
#include "chrome/browser/metrics/thread_watcher.h"
#include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
#include "chrome/browser/net/crl_set_fetcher.h"
#include "chrome/browser/performance_monitor/performance_monitor.h"
#include "chrome/browser/plugins/plugin_prefs.h"
#include "chrome/browser/power/process_power_collector.h"
#include "chrome/browser/prefs/chrome_pref_service_factory.h"
#include "chrome/browser/prefs/command_line_pref_store.h"
#include "chrome/browser/prefs/incognito_mode_prefs.h"
#include "chrome/browser/prefs/pref_metrics_service.h"
#include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
#include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
#include "chrome/browser/process_singleton.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_attributes_entry.h"
#include "chrome/browser/profiles/profile_attributes_storage.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profiles_state.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/tracing/navigation_tracing.h"
#include "chrome/browser/translate/translate_service.h"
#include "chrome/browser/ui/app_list/app_list_service.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/javascript_dialogs/chrome_javascript_native_dialog_factory.h"
#include "chrome/browser/ui/profile_error_dialog.h"
#include "chrome/browser/ui/startup/bad_flags_prompt.h"
#include "chrome/browser/ui/startup/default_browser_prompt.h"
#include "chrome/browser/ui/startup/startup_browser_creator.h"
#include "chrome/browser/ui/uma_browsing_activity_observer.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_result_codes.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/env_vars.h"
#include "chrome/common/features.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/media/media_resource_provider.h"
#include "chrome/common/net/net_resource_provider.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/profiling.h"
#include "chrome/common/variations/variations_util.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/component_updater/component_updater_service.h"
#include "components/device_event_log/device_event_log.h"
#include "components/flags_ui/pref_service_flags_storage.h"
#include "components/google/core/browser/google_util.h"
#include "components/language_usage_metrics/language_usage_metrics.h"
#include "components/metrics/call_stack_profile_metrics_provider.h"
#include "components/metrics/metrics_reporting_default_state.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/profiler/content/content_tracking_synchronizer_delegate.h"
#include "components/metrics/profiler/tracking_synchronizer.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/nacl/browser/nacl_browser.h"
#include "components/prefs/json_pref_store.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/pref_value_store.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/rappor/rappor_service.h"
#include "components/signin/core/common/profile_management_switches.h"
#include "components/startup_metric_utils/browser/startup_metric_utils.h"
#include "components/tracing/common/tracing_switches.h"
#include "components/translate/core/browser/translate_download_manager.h"
#include "components/variations/pref_names.h"
#include "components/variations/service/variations_service.h"
#include "components/variations/variations_associated_data.h"
#include "components/variations/variations_http_header_provider.h"
#include "components/variations/variations_switches.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/power_usage_monitor.h"
#include "content/public/browser/site_instance.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/main_function_params.h"
#include "device/geolocation/geolocation_delegate.h"
#include "device/geolocation/geolocation_provider.h"
#include "grit/platform_locale_settings.h"
#include "media/base/media_resources.h"
#include "net/base/net_module.h"
#include "net/cookies/cookie_monster.h"
#include "net/http/http_network_layer.h"
#include "net/http/http_stream_factory.h"
#include "net/url_request/url_request.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/layout.h"
#include "ui/base/material_design/material_design_controller.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/strings/grit/app_locale_settings.h"
#if BUILDFLAG(ANDROID_JAVA_UI)
#include "chrome/browser/android/dev_tools_discovery_provider_android.h"
#else
#include "chrome/browser/devtools/chrome_devtools_discovery_provider.h"
#endif
#if defined(OS_ANDROID)
#include "chrome/browser/metrics/thread_watcher_android.h"
#include "ui/base/resource/resource_bundle_android.h"
#else
#include "chrome/browser/feedback/feedback_profile_observer.h"
#endif // defined(OS_ANDROID)
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
#include "chrome/browser/first_run/upgrade_util_linux.h"
#endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
#if defined(OS_CHROMEOS)
#include "ash/common/material_design/material_design_controller.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/settings/cros_settings_names.h"
#endif // defined(OS_CHROMEOS)
// TODO(port): several win-only methods have been pulled out of this, but
// BrowserMain() as a whole needs to be broken apart so that it's usable by
// other platforms. For now, it's just a stub. This is a serious work in
// progress and should not be taken as an indication of a real refactoring.
#if defined(OS_WIN)
#include "base/trace_event/trace_event_etw_export_win.h"
#include "base/win/windows_version.h"
#include "chrome/app/file_pre_reader_win.h"
#include "chrome/browser/chrome_browser_main_win.h"
#include "chrome/browser/component_updater/caps_installer_win.h"
#include "chrome/browser/component_updater/sw_reporter_installer_win.h"
#include "chrome/browser/downgrade/user_data_downgrade.h"
#include "chrome/browser/first_run/try_chrome_dialog_view.h"
#include "chrome/browser/first_run/upgrade_util_win.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/ui/network_profile_bubble.h"
#include "chrome/browser/win/browser_util.h"
#include "chrome/browser/win/chrome_select_file_dialog_factory.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/helper.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/module_util_win.h"
#include "chrome/installer/util/shell_util.h"
#include "components/startup_metric_utils/common/pre_read_field_trial_utils_win.h"
#include "ui/base/l10n/l10n_util_win.h"
#include "ui/shell_dialogs/select_file_dialog.h"
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
#include <Security/Security.h>
#include "base/mac/scoped_nsautorelease_pool.h"
#include "chrome/browser/mac/keystone_glue.h"
#endif // defined(OS_MACOSX)
#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
#include "chrome/browser/first_run/upgrade_util.h"
#endif
#if !defined(DISABLE_NACL)
#include "chrome/browser/component_updater/pnacl_component_installer.h"
#include "components/nacl/browser/nacl_process_host.h"
#endif // !defined(DISABLE_NACL)
#if BUILDFLAG(ENABLE_BACKGROUND)
#include "chrome/browser/background/background_mode_manager.h"
#endif // BUILDFLAG(ENABLE_BACKGROUND)
#if defined(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/startup_helper.h"
#include "extensions/browser/extension_protocols.h"
#include "extensions/common/features/feature_provider.h"
#include "extensions/components/javascript_dialog_extensions_client/javascript_dialog_extension_client_impl.h"
#endif // defined(ENABLE_EXTENSIONS)
#if defined(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
#include "printing/printed_document.h"
#endif // defined(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
#if defined(ENABLE_RLZ)
#include "chrome/browser/rlz/chrome_rlz_tracker_delegate.h"
#include "components/rlz/rlz_tracker.h"
#endif // defined(ENABLE_RLZ)
#if defined(ENABLE_WEBRTC)
#include "chrome/browser/media/webrtc_log_util.h"
#endif // defined(ENABLE_WEBRTC)
#if defined(USE_AURA)
#include "ui/aura/env.h"
#endif // defined(USE_AURA)
#if !defined(OS_ANDROID)
#include "chrome/browser/usb/web_usb_detector.h"
#endif
#if defined(USE_AURA)
#include "chrome/browser/lifetime/application_lifetime.h"
#include "content/public/common/mojo_shell_connection.h"
#include "services/shell/runner/common/client_util.h"
#endif
#if defined(OS_WIN) || defined(OS_MACOSX) || \
(defined(OS_LINUX) && !defined(OS_CHROMEOS))
#include "chrome/browser/metrics/desktop_engagement/desktop_engagement_service.h"
#endif
using content::BrowserThread;
namespace {
// A provider of Geolocation services to override AccessTokenStore.
class ChromeGeolocationDelegate : public device::GeolocationDelegate {
public:
ChromeGeolocationDelegate() = default;
scoped_refptr<device::AccessTokenStore> CreateAccessTokenStore() final {
return new ChromeAccessTokenStore();
}
private:
DISALLOW_COPY_AND_ASSIGN(ChromeGeolocationDelegate);
};
// This function provides some ways to test crash and assertion handling
// behavior of the program.
void HandleTestParameters(const base::CommandLine& command_line) {
// This parameter causes a null pointer crash (crash reporter trigger).
if (command_line.HasSwitch(switches::kBrowserCrashTest)) {
int* bad_pointer = NULL;
*bad_pointer = 0;
}
}
#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
void AddFirstRunNewTabs(StartupBrowserCreator* browser_creator,
const std::vector<GURL>& new_tabs) {
for (std::vector<GURL>::const_iterator it = new_tabs.begin();
it != new_tabs.end(); ++it) {
if (it->is_valid())
browser_creator->AddFirstRunTab(*it);
}
}
#endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
// Returns the new local state object, guaranteed non-NULL.
// |local_state_task_runner| must be a shutdown-blocking task runner.
PrefService* InitializeLocalState(
base::SequencedTaskRunner* local_state_task_runner,
const base::CommandLine& parsed_command_line) {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::InitializeLocalState")
// Load local state. This includes the application locale so we know which
// locale dll to load. This also causes local state prefs to be registered.
PrefService* local_state = g_browser_process->local_state();
DCHECK(local_state);
#if defined(OS_WIN)
if (first_run::IsChromeFirstRun()) {
// During first run we read the google_update registry key to find what
// language the user selected when downloading the installer. This
// becomes our default language in the prefs.
// Other platforms obey the system locale.
base::string16 install_lang;
if (GoogleUpdateSettings::GetLanguage(&install_lang)) {
local_state->SetString(prefs::kApplicationLocale,
base::UTF16ToASCII(install_lang));
}
bool stats_default;
if (GoogleUpdateSettings::GetCollectStatsConsentDefault(&stats_default)) {
// |stats_default| == true means that the default state of consent for the
// product at the time of install was to report usage statistics, meaning
// "opt-out".
metrics::RecordMetricsReportingDefaultState(
local_state, stats_default ? metrics::EnableMetricsDefault::OPT_OUT
: metrics::EnableMetricsDefault::OPT_IN);
}
}
#endif // defined(OS_WIN)
// If the local state file for the current profile doesn't exist and the
// parent profile command line flag is present, then we should inherit some
// local state from the parent profile.
// Checking that the local state file for the current profile doesn't exist
// is the most robust way to determine whether we need to inherit or not
// since the parent profile command line flag can be present even when the
// current profile is not a new one, and in that case we do not want to
// inherit and reset the user's setting.
//
// TODO(mnissler): We should probably just instantiate a
// JSONPrefStore here instead of an entire PrefService. Once this is
// addressed, the call to browser_prefs::RegisterLocalState can move
// to chrome_prefs::CreateLocalState.
if (parsed_command_line.HasSwitch(switches::kParentProfile)) {
base::FilePath local_state_path;
PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path);
bool local_state_file_exists = base::PathExists(local_state_path);
if (!local_state_file_exists) {
base::FilePath parent_profile =
parsed_command_line.GetSwitchValuePath(switches::kParentProfile);
scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple();
std::unique_ptr<PrefService> parent_local_state(
chrome_prefs::CreateLocalState(
parent_profile, local_state_task_runner,
g_browser_process->policy_service(), registry, false));
registry->RegisterStringPref(prefs::kApplicationLocale, std::string());
// Right now, we only inherit the locale setting from the parent profile.
local_state->SetString(
prefs::kApplicationLocale,
parent_local_state->GetString(prefs::kApplicationLocale));
}
}
#if defined(OS_CHROMEOS)
if (parsed_command_line.HasSwitch(chromeos::switches::kLoginManager)) {
std::string owner_locale = local_state->GetString(prefs::kOwnerLocale);
// Ensure that we start with owner's locale.
if (!owner_locale.empty() &&
local_state->GetString(prefs::kApplicationLocale) != owner_locale &&
!local_state->IsManagedPreference(prefs::kApplicationLocale)) {
local_state->SetString(prefs::kApplicationLocale, owner_locale);
}
}
#endif // defined(OS_CHROMEOS)
return local_state;
}
// Initializes the primary profile, possibly doing some user prompting to pick
// a fallback profile. Returns the newly created profile, or NULL if startup
// should not continue.
Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters,
const base::FilePath& user_data_dir,
const base::CommandLine& parsed_command_line) {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::CreateProfile")
base::Time start = base::Time::Now();
bool profile_dir_specified =
profiles::IsMultipleProfilesEnabled() &&
parsed_command_line.HasSwitch(switches::kProfileDirectory);
if (profile_dir_specified) {
profiles::SetLastUsedProfile(
parsed_command_line.GetSwitchValueASCII(switches::kProfileDirectory));
// Clear kProfilesLastActive since the user only wants to launch a specific
// profile.
ListPrefUpdate update(g_browser_process->local_state(),
prefs::kProfilesLastActive);
base::ListValue* profile_list = update.Get();
profile_list->Clear();
}
Profile* profile = nullptr;
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
// On ChromeOS and Android the ProfileManager will use the same path as the
// one we got passed. GetActiveUserProfile will therefore use the correct path
// automatically.
DCHECK_EQ(user_data_dir.value(),
g_browser_process->profile_manager()->user_data_dir().value());
profile = ProfileManager::GetActiveUserProfile();
// TODO(port): fix this. See comments near the definition of |user_data_dir|.
// It is better to CHECK-fail here than it is to silently exit because of
// missing code in the above test.
CHECK(profile) << "Cannot get default profile.";
#else
profile = GetStartupProfile(user_data_dir, parsed_command_line);
if (!profile && !profile_dir_specified)
profile = GetFallbackStartupProfile();
if (!profile) {
ProfileErrorType error_type = profile_dir_specified ?
PROFILE_ERROR_CREATE_FAILURE_SPECIFIED :
PROFILE_ERROR_CREATE_FAILURE_ALL;
// TODO(lwchkg): What diagnostics do you want to include in the feedback
// report when an error occurs?
ShowProfileErrorDialog(error_type, IDS_COULDNT_STARTUP_PROFILE_ERROR,
"Error creating primary profile.");
return nullptr;
}
#endif // defined(OS_CHROMEOS) || defined(OS_ANDROID)
UMA_HISTOGRAM_LONG_TIMES(
"Startup.CreateFirstProfile", base::Time::Now() - start);
return profile;
}
#if defined(OS_MACOSX)
OSStatus KeychainCallback(SecKeychainEvent keychain_event,
SecKeychainCallbackInfo* info, void* context) {
return noErr;
}
#endif // defined(OS_MACOSX)
void RegisterComponentsForUpdate() {
component_updater::ComponentUpdateService* cus =
g_browser_process->component_updater();
// Registration can be before or after cus->Start() so it is ok to post
// a task to the UI thread to do registration once you done the necessary
// file IO to know you existing component version.
#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
RegisterRecoveryComponent(cus, g_browser_process->local_state());
RegisterPepperFlashComponent(cus);
RegisterSwiftShaderComponent(cus);
RegisterWidevineCdmComponent(cus);
#endif // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
#if !defined(DISABLE_NACL) && !defined(OS_ANDROID)
#if defined(OS_CHROMEOS)
// PNaCl on Chrome OS is on rootfs and there is no need to download it. But
// Chrome4ChromeOS on Linux doesn't contain PNaCl so enable component
// installer when running on Linux. See crbug.com/422121 for more details.
if (!base::SysInfo::IsRunningOnChromeOS())
#endif // defined(OS_CHROMEOS)
g_browser_process->pnacl_component_installer()->RegisterPnaclComponent(cus);
#endif // !defined(DISABLE_NACL) && !defined(OS_ANDROID)
component_updater::SupervisedUserWhitelistInstaller* whitelist_installer =
g_browser_process->supervised_user_whitelist_installer();
whitelist_installer->RegisterComponents();
RegisterSubresourceFilterComponent(cus);
base::FilePath path;
if (PathService::Get(chrome::DIR_USER_DATA, &path)) {
#if defined(OS_ANDROID)
// The CRLSet component was enabled for some releases. This code attempts to
// delete it from the local disk of those how may have downloaded it.
g_browser_process->crl_set_fetcher()->DeleteFromDisk(path);
#elif !defined(OS_CHROMEOS)
// CRLSetFetcher attempts to load a CRL set from either the local disk or
// network.
// For Chrome OS this registration is delayed until user login.
g_browser_process->crl_set_fetcher()->StartInitialLoad(cus, path);
// Registration of the EV Whitelist component here is not necessary for:
// 1. Android: Because it currently does not have the EV indicator.
// 2. Chrome OS: On Chrome OS this registration is delayed until user login.
RegisterEVWhitelistComponent(cus, path);
// Registration of the STH set fetcher here is not done for:
// Android: Because the story around CT on Mobile is not finalized yet.
// Chrome OS: On Chrome OS this registration is delayed until user login.
RegisterSTHSetComponent(cus, path);
#endif // defined(OS_ANDROID)
RegisterOriginTrialsComponent(cus, path);
RegisterFileTypePoliciesComponent(cus, path);
}
#if defined(OS_WIN)
#if defined(GOOGLE_CHROME_BUILD)
RegisterSwReporterComponent(cus);
#endif // defined(GOOGLE_CHROME_BUILD)
RegisterCAPSComponent(cus);
#endif // defined(OS_WIN)
}
#if !defined(OS_ANDROID)
bool ProcessSingletonNotificationCallback(
const base::CommandLine& command_line,
const base::FilePath& current_directory) {
// Drop the request if the browser process is already in shutdown path.
if (!g_browser_process || g_browser_process->IsShuttingDown())
return false;
if (command_line.HasSwitch(switches::kOriginalProcessStartTime)) {
std::string start_time_string =
command_line.GetSwitchValueASCII(switches::kOriginalProcessStartTime);
int64_t remote_start_time;
if (base::StringToInt64(start_time_string, &remote_start_time)) {
base::TimeDelta elapsed =
base::Time::Now() - base::Time::FromInternalValue(remote_start_time);
if (command_line.HasSwitch(switches::kFastStart)) {
UMA_HISTOGRAM_LONG_TIMES(
"Startup.WarmStartTimeFromRemoteProcessStartFast", elapsed);
} else {
UMA_HISTOGRAM_LONG_TIMES(
"Startup.WarmStartTimeFromRemoteProcessStart", elapsed);
}
}
}
g_browser_process->platform_part()->PlatformSpecificCommandLineProcessing(
command_line);
base::FilePath user_data_dir =
g_browser_process->profile_manager()->user_data_dir();
base::FilePath startup_profile_dir =
GetStartupProfilePath(user_data_dir, command_line);
StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
command_line, current_directory, startup_profile_dir);
return true;
}
#endif // !defined(OS_ANDROID)
void LaunchDevToolsHandlerIfNeeded(const base::CommandLine& command_line) {
if (command_line.HasSwitch(::switches::kRemoteDebuggingPort)) {
std::string port_str =
command_line.GetSwitchValueASCII(::switches::kRemoteDebuggingPort);
int port;
if (base::StringToInt(port_str, &port) && port >= 0 && port < 65535) {
g_browser_process->CreateDevToolsHttpProtocolHandler(
"", static_cast<uint16_t>(port));
} else {
DLOG(WARNING) << "Invalid http debugger port number " << port;
}
}
}
class ScopedMainMessageLoopRunEvent {
public:
ScopedMainMessageLoopRunEvent() {
TRACE_EVENT_ASYNC_BEGIN0(
"toplevel", "ChromeBrowserMainParts::MainMessageLoopRun", this);
}
~ScopedMainMessageLoopRunEvent() {
TRACE_EVENT_ASYNC_END0("toplevel",
"ChromeBrowserMainParts::MainMessageLoopRun", this);
}
};
} // namespace
namespace chrome_browser {
#if defined(OS_WIN)
// Helper function to setup the pre-read field trial. This function is defined
// outside of the anonymous namespace to allow it to be friend with
// ChromeMetricsServiceAccessor.
void SetupPreReadFieldTrial() {
const base::string16 registry_path =
BrowserDistribution::GetDistribution()->GetRegistryPath();
// Register a synthetic field trial with the PreRead group used during the
// current startup. This must be done before the first metric log
// (metrics::MetricLog) is created. Otherwise, UMA metrics generated during
// startup won't be correctly annotated. The current function is always called
// before the first metric log is created, as part of
// ChromeBrowserMainParts::PreMainMessageLoopRun().
startup_metric_utils::RegisterPreReadSyntheticFieldTrial(
registry_path,
base::Bind(&ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial));
// Initialize the PreRead options for the current process.
startup_metric_utils::InitializePreReadOptions(registry_path);
// After startup is complete, update the PreRead group in the registry. The
// group written in the registry will be used for the next startup.
BrowserThread::PostAfterStartupTask(
FROM_HERE, content::BrowserThread::GetBlockingPool(),
base::Bind(&startup_metric_utils::UpdatePreReadOptions, registry_path));
}
#endif // defined(OS_WIN)
// This error message is not localized because we failed to load the
// localization data files.
#if defined(OS_WIN)
const char kMissingLocaleDataTitle[] = "Missing File Error";
#endif // defined(OS_WIN)
#if defined(OS_WIN)
// TODO(port) This should be used on Linux Aura as well. http://crbug.com/338969
const char kMissingLocaleDataMessage[] =
"Unable to find locale data files. Please reinstall.";
#endif // defined(OS_WIN)
} // namespace chrome_browser
// BrowserMainParts ------------------------------------------------------------
ChromeBrowserMainParts::ChromeBrowserMainParts(
const content::MainFunctionParams& parameters)
: parameters_(parameters),
parsed_command_line_(parameters.command_line),
result_code_(content::RESULT_CODE_NORMAL_EXIT),
startup_watcher_(new StartupTimeBomb()),
shutdown_watcher_(new ShutdownWatcherHelper()),
browser_field_trials_(parameters.command_line),
sampling_profiler_(
base::PlatformThread::CurrentId(),
sampling_profiler_config_.GetSamplingParams(),
metrics::CallStackProfileMetricsProvider::GetProfilerCallback(
metrics::CallStackProfileMetricsProvider::Params(
metrics::CallStackProfileMetricsProvider::PROCESS_STARTUP,
false))),
profile_(NULL),
run_message_loop_(true),
local_state_(NULL) {
if (sampling_profiler_config_.IsProfilerEnabled())
sampling_profiler_.Start();
// If we're running tests (ui_task is non-null).
if (parameters.ui_task)
browser_defaults::enable_help_app = false;
// Chrome disallows cookies by default. All code paths that want to use
// cookies need to go through one of Chrome's URLRequestContexts which have
// a ChromeNetworkDelegate attached that selectively allows cookies again.
net::URLRequest::SetDefaultCookiePolicyToBlock();
}
ChromeBrowserMainParts::~ChromeBrowserMainParts() {
for (int i = static_cast<int>(chrome_extra_parts_.size())-1; i >= 0; --i)
delete chrome_extra_parts_[i];
chrome_extra_parts_.clear();
}
// This will be called after the command-line has been mutated by about:flags
void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::SetupMetricsAndFieldTrials");
// Must initialize metrics after labs have been converted into switches,
// but before field trials are set up (so that client ID is available for
// one-time randomized field trials).
// Initialize FieldTrialList to support FieldTrials that use one-time
// randomization.
metrics::MetricsService* metrics = browser_process_->metrics_service();
DCHECK(!field_trial_list_);
field_trial_list_.reset(
new base::FieldTrialList(metrics->CreateEntropyProvider().release()));
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kEnableBenchmarking) ||
command_line->HasSwitch(cc::switches::kEnableGpuBenchmarking)) {
base::FieldTrial::EnableBenchmarking();
}
if (command_line->HasSwitch(switches::kForceFieldTrialParams)) {
bool result = chrome_variations::AssociateParamsFromString(
command_line->GetSwitchValueASCII(switches::kForceFieldTrialParams));
CHECK(result) << "Invalid --" << switches::kForceFieldTrialParams
<< " list specified.";
}
// Ensure any field trials specified on the command line are initialized.
if (command_line->HasSwitch(switches::kForceFieldTrials)) {
std::set<std::string> unforceable_field_trials;
#if defined(OFFICIAL_BUILD)
unforceable_field_trials.insert("SettingsEnforcement");
#endif // defined(OFFICIAL_BUILD)
// Create field trials without activating them, so that this behaves in a
// consistent manner with field trials created from the server.
bool result = base::FieldTrialList::CreateTrialsFromString(
command_line->GetSwitchValueASCII(switches::kForceFieldTrials),
unforceable_field_trials);
CHECK(result) << "Invalid --" << switches::kForceFieldTrials
<< " list specified.";
}
std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
// Associate parameters chosen in about:flags and create trial/group for them.
flags_ui::PrefServiceFlagsStorage flags_storage(
g_browser_process->local_state());
std::vector<std::string> variation_ids =
about_flags::RegisterAllFeatureVariationParameters(
&flags_storage, feature_list.get());
variations::VariationsHttpHeaderProvider* http_header_provider =
variations::VariationsHttpHeaderProvider::GetInstance();
// Force the variation ids selected in chrome://flags and/or specified using
// the command-line flag.
bool result = http_header_provider->ForceVariationIds(
command_line->GetSwitchValueASCII(switches::kForceVariationIds),
&variation_ids);
CHECK(result) << "Invalid list of variation ids specified (either in --"
<< switches::kForceVariationIds << " or in chrome://flags)";
metrics->AddSyntheticTrialObserver(http_header_provider);
feature_list->InitializeFromCommandLine(
command_line->GetSwitchValueASCII(switches::kEnableFeatures),
command_line->GetSwitchValueASCII(switches::kDisableFeatures));
#if defined(FIELDTRIAL_TESTING_ENABLED)
if (!command_line->HasSwitch(switches::kDisableFieldTrialTestingConfig) &&
!command_line->HasSwitch(switches::kForceFieldTrials) &&
!command_line->HasSwitch(variations::switches::kVariationsServerURL)) {
chrome_variations::AssociateDefaultFieldTrialConfig(feature_list.get());
}
#endif // defined(FIELDTRIAL_TESTING_ENABLED)
variations::VariationsService* variations_service =
browser_process_->variations_service();
if (variations_service)
variations_service->CreateTrialsFromSeed(feature_list.get());
base::FeatureList::SetInstance(std::move(feature_list));
// This must be called after |local_state_| is initialized.
browser_field_trials_.SetupFieldTrials();
// Enable Navigation Tracing only if a trace upload url is specified.
if (command_line->HasSwitch(switches::kEnableNavigationTracing) &&
command_line->HasSwitch(switches::kTraceUploadURL)) {
tracing::SetupNavigationTracing();
}
// Initialize FieldTrialSynchronizer system. This is a singleton and is used
// for posting tasks via base::Bind. Its deleted when it goes out of scope.
// Even though base::Bind does AddRef and Release, the object will not be
// deleted after the Task is executed.
field_trial_synchronizer_ = new FieldTrialSynchronizer();
// Now that field trials have been created, initializes metrics recording.
metrics->InitializeMetricsRecordingState();
const version_info::Channel channel = chrome::GetChannel();
// Enable profiler instrumentation depending on the channel.
switch (channel) {
case version_info::Channel::UNKNOWN:
case version_info::Channel::CANARY:
tracked_objects::ScopedTracker::Enable();
break;
case version_info::Channel::DEV:
case version_info::Channel::BETA:
case version_info::Channel::STABLE:
// Don't enable instrumentation.
break;
}
// Register a synthetic field trial for the sampling profiler configuration
// that was already chosen.
sampling_profiler_config_.RegisterSyntheticFieldTrial();
#if defined(OS_WIN) || defined(OS_MACOSX) || \
(defined(OS_LINUX) && !defined(OS_CHROMEOS))
metrics::DesktopEngagementService::Initialize();
#endif
#if defined(OS_WIN)
chrome_browser::SetupPreReadFieldTrial();
#endif // defined(OS_WIN)
}
// ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
void ChromeBrowserMainParts::StartMetricsRecording() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording");
g_browser_process->metrics_service()->CheckForClonedInstall(
BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE));
g_browser_process->GetMetricsServicesManager()->UpdateUploadPermissions(true);
}
void ChromeBrowserMainParts::RecordBrowserStartupTime() {
// Don't record any metrics if UI was displayed before this point e.g.
// warning dialogs.
if (startup_metric_utils::WasNonBrowserUIDisplayed())
return;
bool is_first_run = false;
#if !defined(OS_ANDROID)
// On Android, first run is handled in Java code, and the C++ side of Chrome
// doesn't know if this is the first run. This will cause some inaccuracy in
// the UMA statistics, but this should be minor (first runs are rare).
is_first_run = first_run::IsChromeFirstRun();
#endif // defined(OS_ANDROID)
// Record collected startup metrics.
startup_metric_utils::RecordBrowserMainMessageLoopStart(
base::TimeTicks::Now(), is_first_run, g_browser_process->local_state());
}
void ChromeBrowserMainParts::SetupOriginTrialsCommandLine() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kOriginTrialPublicKey)) {
std::string new_public_key =
local_state_->GetString(prefs::kOriginTrialPublicKey);
if (!new_public_key.empty()) {
command_line->AppendSwitchASCII(
switches::kOriginTrialPublicKey,
local_state_->GetString(prefs::kOriginTrialPublicKey));
}
}
if (!command_line->HasSwitch(switches::kOriginTrialDisabledFeatures)) {
const base::ListValue* override_disabled_feature_list =
local_state_->GetList(prefs::kOriginTrialDisabledFeatures);
if (override_disabled_feature_list) {
std::vector<std::string> disabled_features;
std::string disabled_feature;
for (const auto& item : *override_disabled_feature_list) {
if (item->GetAsString(&disabled_feature)) {
disabled_features.push_back(disabled_feature);
}
}
if (!disabled_features.empty()) {
const std::string override_disabled_features =
base::JoinString(disabled_features, "|");
command_line->AppendSwitchASCII(switches::kOriginTrialDisabledFeatures,
override_disabled_features);
}
}
}
}
// -----------------------------------------------------------------------------
// TODO(viettrungluu): move more/rest of BrowserMain() into BrowserMainParts.
#if defined(OS_WIN)
#define DLLEXPORT __declspec(dllexport)
// We use extern C for the prototype DLLEXPORT to avoid C++ name mangling.
extern "C" {
DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded();
}
DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
// Need an instance of AtExitManager to handle singleton creations and
// deletions. We need this new instance because, the old instance created
// in ChromeMain() got destructed when the function returned.
base::AtExitManager exit_manager;
upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded();
}
#endif
// content::BrowserMainParts implementation ------------------------------------
void ChromeBrowserMainParts::PreEarlyInitialization() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreEarlyInitialization");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreEarlyInitialization();
}
void ChromeBrowserMainParts::PostEarlyInitialization() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostEarlyInitialization");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PostEarlyInitialization();
}
void ChromeBrowserMainParts::ToolkitInitialized() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::ToolkitInitialized");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->ToolkitInitialized();
}
void ChromeBrowserMainParts::PreMainMessageLoopStart() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopStart");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreMainMessageLoopStart();
}
void ChromeBrowserMainParts::PostMainMessageLoopStart() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopStart");
// device_event_log must be initialized after the message loop. Calls to
// {DEVICE}_LOG prior to here will only be logged with VLOG. Some
// platforms (e.g. chromeos) may have already initialized this.
if (!device_event_log::IsInitialized())
device_event_log::Initialize(0 /* default max entries */);
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PostMainMessageLoopStart();
}
int ChromeBrowserMainParts::PreCreateThreads() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreads");
result_code_ = PreCreateThreadsImpl();
if (result_code_ == content::RESULT_CODE_NORMAL_EXIT) {
#if !defined(OS_ANDROID)
// These members must be initialized before exiting this function normally.
DCHECK(master_prefs_.get());
DCHECK(browser_creator_.get());
#endif // !defined(OS_ANDROID)
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreCreateThreads();
}
// It is important to call gl_string_manager()->Initialize() before starting
// the gpu process. Internally it properly setup the black listed features.
// Which it is used to decide whether to start or not the gpu process from
// BrowserMainLoop::BrowserThreadsStarted.
// Retrieve cached GL strings from local state and use them for GPU
// blacklist decisions.
if (g_browser_process->gl_string_manager())
g_browser_process->gl_string_manager()->Initialize();
// Create an instance of GpuModeManager to watch gpu mode pref change.
g_browser_process->gpu_mode_manager();
return result_code_;
}
int ChromeBrowserMainParts::PreCreateThreadsImpl() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl")
run_message_loop_ = false;
#if !defined(OS_ANDROID)
chrome::MaybeShowInvalidUserDataDirWarningDialog();
#endif // !defined(OS_ANDROID)
if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_))
return chrome::RESULT_CODE_MISSING_DATA;
// Force MediaCaptureDevicesDispatcher to be created on UI thread.
MediaCaptureDevicesDispatcher::GetInstance();
// Android's first run is done in Java instead of native.
#if !defined(OS_ANDROID)
process_singleton_.reset(new ChromeProcessSingleton(
user_data_dir_, base::Bind(&ProcessSingletonNotificationCallback)));
// Cache first run state early.
first_run::IsChromeFirstRun();
#endif // !defined(OS_ANDROID)
scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
JsonPrefStore::GetTaskRunnerForFile(
base::FilePath(chrome::kLocalStorePoolName),
BrowserThread::GetBlockingPool());
{
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:InitBrowswerProcessImpl");
browser_process_.reset(new BrowserProcessImpl(local_state_task_runner.get(),
parsed_command_line()));
}
if (parsed_command_line().HasSwitch(switches::kEnableProfiling)) {
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:InitProfiling");
// User wants to override default tracking status.
std::string flag =
parsed_command_line().GetSwitchValueASCII(switches::kEnableProfiling);
// Default to basic profiling (no parent child support).
tracked_objects::ThreadData::Status status =
tracked_objects::ThreadData::PROFILING_ACTIVE;
if (flag.compare("0") != 0)
status = tracked_objects::ThreadData::DEACTIVATED;
tracked_objects::ThreadData::InitializeAndSetTrackingStatus(status);
}
local_state_ = InitializeLocalState(
local_state_task_runner.get(), parsed_command_line());
#if !defined(OS_ANDROID)
// These members must be initialized before returning from this function.
master_prefs_.reset(new first_run::MasterPrefs);
// Android doesn't use StartupBrowserCreator.
browser_creator_.reset(new StartupBrowserCreator);
// TODO(yfriedman): Refactor Android to re-use UMABrowsingActivityObserver
chrome::UMABrowsingActivityObserver::Init();
#endif // !defined(OS_ANDROID)
#if !defined(OS_CHROMEOS)
// Convert active labs into switches. This needs to be done before
// ResourceBundle::InitSharedInstanceWithLocale as some loaded resources are
// affected by experiment flags (--touch-optimized-ui in particular).
// On ChromeOS system level flags are applied from the device settings from
// the session manager.
{
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:ConvertFlags");
flags_ui::PrefServiceFlagsStorage flags_storage(
g_browser_process->local_state());
about_flags::ConvertFlagsToSwitches(&flags_storage,
base::CommandLine::ForCurrentProcess(),
flags_ui::kAddSentinels);
}
#endif // !defined(OS_CHROMEOS)
// The MaterialDesignController needs to look at command line flags, which
// are not available until this point. Now that they are, proceed with
// initializing the MaterialDesignController.
ui::MaterialDesignController::Initialize();
#if defined(OS_CHROMEOS)
ash::MaterialDesignController::Initialize();
#endif // !defined(OS_CHROMEOS)
#if defined(OS_MACOSX)
// Material Design resource packs can be loaded now that command line flags
// are set. See https://crbug.com/585290 .
ui::ResourceBundle::GetSharedInstance().LoadMaterialDesignResources();
#endif
#if defined(OS_WIN)
// This is needed to enable ETW exporting when requested in about:flags.
// Normally, we enable it in ContentMainRunnerImpl::Initialize when the flag
// is present on the command line but flags in about:flags are converted only
// after this function runs. Note that this starts exporting later which
// affects tracing the browser startup. Also, this is only relevant for the
// browser process, as other processes will get all the flags on their command
// line regardless of the origin (command line or about:flags).
if (parsed_command_line().HasSwitch(switches::kTraceExportEventsToETW))
base::trace_event::TraceEventETWExport::EnableETWExport();
#endif // OS_WIN
local_state_->UpdateCommandLinePrefStore(
new CommandLinePrefStore(base::CommandLine::ForCurrentProcess()));
// Reset the command line in the crash report details, since we may have
// just changed it to include experiments.
crash_keys::SetCrashKeysFromCommandLine(
*base::CommandLine::ForCurrentProcess());
// Mac starts it earlier in |PreMainMessageLoopStart()| (because it is
// needed when loading the MainMenu.nib and the language doesn't depend on
// anything since it comes from Cocoa.
#if defined(OS_MACOSX)
std::string locale =
parameters().ui_task ? "en-US" : l10n_util::GetLocaleOverride();
browser_process_->SetApplicationLocale(locale);
#else
const std::string locale =
local_state_->GetString(prefs::kApplicationLocale);
// On a POSIX OS other than ChromeOS, the parameter that is passed to the
// method InitSharedInstance is ignored.
TRACE_EVENT_BEGIN0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
const std::string loaded_locale =
ui::ResourceBundle::InitSharedInstanceWithLocale(
locale, NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
TRACE_EVENT_END0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
if (loaded_locale.empty() &&
!parsed_command_line().HasSwitch(switches::kNoErrorDialogs)) {
ShowMissingLocaleMessageBox();
return chrome::RESULT_CODE_MISSING_DATA;
}
CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
browser_process_->SetApplicationLocale(loaded_locale);
{
TRACE_EVENT0("startup",
"ChromeBrowserMainParts::PreCreateThreadsImpl:AddDataPack");
base::FilePath resources_pack_path;
PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
#if defined(OS_ANDROID)
ui::LoadMainAndroidPackFile("assets/resources.pak", resources_pack_path);
#else
ResourceBundle::GetSharedInstance().AddDataPackFromPath(
resources_pack_path, ui::SCALE_FACTOR_NONE);
#endif // defined(OS_ANDROID)
}
#endif // defined(OS_MACOSX)
// Android does first run in Java instead of native.
// Chrome OS has its own out-of-box-experience code.
#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
// On first run, we need to process the predictor preferences before the
// browser's profile_manager object is created, but after ResourceBundle
// is initialized.
if (first_run::IsChromeFirstRun()) {
first_run::ProcessMasterPreferencesResult pmp_result =
first_run::ProcessMasterPreferences(user_data_dir_,
master_prefs_.get());
if (pmp_result == first_run::EULA_EXIT_NOW)
return chrome::RESULT_CODE_EULA_REFUSED;
if (!parsed_command_line().HasSwitch(switches::kApp) &&
!parsed_command_line().HasSwitch(switches::kAppId) &&
!parsed_command_line().HasSwitch(switches::kShowAppList)) {
AddFirstRunNewTabs(browser_creator_.get(), master_prefs_->new_tabs);
}
// TODO(macourteau): refactor preferences that are copied from
// master_preferences into local_state, as a "local_state" section in
// master preferences. If possible, a generic solution would be preferred
// over a copy one-by-one of specific preferences. Also see related TODO
// in first_run.h.
// Store the initial VariationsService seed in local state, if it exists
// in master prefs.
if (!master_prefs_->variations_seed.empty() ||
!master_prefs_->compressed_variations_seed.empty()) {
if (!master_prefs_->variations_seed.empty()) {
local_state_->SetString(variations::prefs::kVariationsSeed,
master_prefs_->variations_seed);
}
if (!master_prefs_->compressed_variations_seed.empty()) {
local_state_->SetString(variations::prefs::kVariationsCompressedSeed,
master_prefs_->compressed_variations_seed);
}
if (!master_prefs_->variations_seed_signature.empty()) {
local_state_->SetString(variations::prefs::kVariationsSeedSignature,
master_prefs_->variations_seed_signature);
}
// Set the variation seed date to the current system time. If the user's
// clock is incorrect, this may cause some field trial expiry checks to
// not do the right thing until the next seed update from the server,
// when this value will be updated.
local_state_->SetInt64(variations::prefs::kVariationsSeedDate,
base::Time::Now().ToInternalValue());
}
if (!master_prefs_->suppress_default_browser_prompt_for_version.empty()) {
local_state_->SetString(
prefs::kBrowserSuppressDefaultBrowserPrompt,
master_prefs_->suppress_default_browser_prompt_for_version);
}
#if defined(OS_WIN)
if (!master_prefs_->welcome_page_on_os_upgrade_enabled)
local_state_->SetBoolean(prefs::kWelcomePageOnOSUpgradeEnabled, false);
#endif
}
#endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
#if defined(OS_LINUX) || defined(OS_OPENBSD)
// Set the product channel for crash reports.
base::debug::SetCrashKeyValue(crash_keys::kChannel,
chrome::GetChannelString());
#endif // defined(OS_LINUX) || defined(OS_OPENBSD)
// Initialize tracking synchronizer system.
tracking_synchronizer_ = new metrics::TrackingSynchronizer(
base::WrapUnique(new base::DefaultTickClock()),
base::Bind(&metrics::ContentTrackingSynchronizerDelegate::Create));
#if defined(OS_MACOSX)
// Get the Keychain API to register for distributed notifications on the main
// thread, which has a proper CFRunloop, instead of later on the I/O thread,
// which doesn't. This ensures those notifications will get delivered
// properly. See issue 37766.
// (Note that the callback mask here is empty. I don't want to register for
// any callbacks, I just want to initialize the mechanism.)
SecKeychainAddCallback(&KeychainCallback, 0, NULL);
#endif // defined(OS_MACOSX)
#if defined(OS_CHROMEOS)
// Must be done after g_browser_process is constructed, before
// SetupMetricsAndFieldTrials().
chromeos::CrosSettings::Initialize();
#endif // defined(OS_CHROMEOS)
SetupOriginTrialsCommandLine();
// Now the command line has been mutated based on about:flags, we can setup
// metrics and initialize field trials. The field trials are needed by
// IOThread's initialization which happens in BrowserProcess:PreCreateThreads.
SetupMetricsAndFieldTrials();
// ChromeOS needs ResourceBundle::InitSharedInstance to be called before this.
browser_process_->PreCreateThreads();
device::GeolocationProvider::SetGeolocationDelegate(
new ChromeGeolocationDelegate());
return content::RESULT_CODE_NORMAL_EXIT;
}
void ChromeBrowserMainParts::PreMainMessageLoopRun() {
#if defined(USE_AURA)
if (content::MojoShellConnection::GetForProcess() && shell::ShellIsRemote()) {
content::MojoShellConnection::GetForProcess()->SetConnectionLostClosure(
base::Bind(&chrome::SessionEnding));
}
#endif
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRun");
result_code_ = PreMainMessageLoopRunImpl();
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreMainMessageLoopRun();
}
// PreMainMessageLoopRun calls these extra stages in the following order:
// PreMainMessageLoopRunImpl()
// ... initial setup, including browser_process_ setup.
// PreProfileInit()
// ... additional setup, including CreateProfile()
// PostProfileInit()
// ... additional setup
// PreBrowserStart()
// ... browser_creator_->Start (OR parameters().ui_task->Run())
// PostBrowserStart()
void ChromeBrowserMainParts::PreProfileInit() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreProfileInit");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreProfileInit();
#if !defined(OS_ANDROID)
// Initialize the feedback uploader so it can setup notifications for profile
// creation.
feedback::FeedbackProfileObserver::Initialize();
// Ephemeral profiles may have been left behind if the browser crashed.
g_browser_process->profile_manager()->CleanUpEphemeralProfiles();
#endif // !defined(OS_ANDROID)
#if defined(ENABLE_EXTENSIONS)
javascript_dialog_extensions_client::InstallClient();
#endif // defined(ENABLE_EXTENSIONS)
InstallChromeJavaScriptNativeDialogFactory();
}
void ChromeBrowserMainParts::PostProfileInit() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostProfileInit");
#if BUILDFLAG(ANDROID_JAVA_UI)
DevToolsDiscoveryProviderAndroid::Install();
#else
ChromeDevToolsDiscoveryProvider::Install();
#endif // BUILDFLAG(ANDROID_JAVA_UI)
LaunchDevToolsHandlerIfNeeded(parsed_command_line());
if (parsed_command_line().HasSwitch(::switches::kAutoOpenDevToolsForTabs))
g_browser_process->CreateDevToolsAutoOpener();
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PostProfileInit();
}
#if defined(SYZYASAN)
// This function must be in the global namespace as it needs to be friended
// by ChromeMetricsServiceAccessor.
void SyzyASANRegisterExperiment(const char* name, const char* group) {
ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(name, group);
}
namespace {
void WINAPI SyzyASANExperimentCallback(const char* name, const char* group) {
// Indirect through the function above, so that the friend declaration doesn't
// need the ugly calling convention.
SyzyASANRegisterExperiment(name, group);
}
void SetupSyzyASAN() {
typedef VOID(WINAPI* SyzyASANExperimentCallbackFn)(const char* name,
const char* group);
typedef VOID(WINAPI* SyzyASANEnumExperimentsFn)(SyzyASANExperimentCallbackFn);
HMODULE syzyasan_handle = ::GetModuleHandle(L"syzyasan_rtl.dll");
if (!syzyasan_handle)
return;
// Export the SyzyASAN experiments as synthetic field trials.
SyzyASANEnumExperimentsFn syzyasan_enum_experiments =
reinterpret_cast<SyzyASANEnumExperimentsFn>(
::GetProcAddress(syzyasan_handle, "asan_EnumExperiments"));
if (syzyasan_enum_experiments) {
syzyasan_enum_experiments(&SyzyASANExperimentCallback);
}
// Enable the deferred free mechanism in the syzyasan module, which helps the
// performance by deferring some work on the critical path to a background
// thread.
if (base::FeatureList::IsEnabled(features::kSyzyasanDeferredFree)) {
typedef VOID(WINAPI * SyzyasanEnableDeferredFreeThreadFunc)(VOID);
bool success = false;
SyzyasanEnableDeferredFreeThreadFunc syzyasan_enable_deferred_free =
reinterpret_cast<SyzyasanEnableDeferredFreeThreadFunc>(
::GetProcAddress(syzyasan_handle,
"asan_EnableDeferredFreeThread"));
if (syzyasan_enable_deferred_free) {
syzyasan_enable_deferred_free();
success = true;
}
UMA_HISTOGRAM_BOOLEAN("Syzyasan.DeferredFreeWasEnabled", success);
}
}
} // namespace
#endif // SYZYASAN
void ChromeBrowserMainParts::PreBrowserStart() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreBrowserStart");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PreBrowserStart();
three_d_observer_.reset(new ThreeDAPIObserver());
#if defined(SYZYASAN)
SetupSyzyASAN();
#endif
// Start the tab manager here so that we give the most amount of time for the
// other services to start up before we start adjusting the oom priority.
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
g_browser_process->GetTabManager()->Start();
#endif
}
void ChromeBrowserMainParts::PostBrowserStart() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostBrowserStart");
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PostBrowserStart();
#if !defined(OS_ANDROID)
// Allow ProcessSingleton to process messages.
process_singleton_->Unlock();
#endif // !defined(OS_ANDROID)
#if defined(ENABLE_WEBRTC)
// Set up a task to delete old WebRTC log files for all profiles. Use a delay
// to reduce the impact on startup time.
BrowserThread::PostDelayedTask(
BrowserThread::UI,
FROM_HERE,
base::Bind(&WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles),
base::TimeDelta::FromMinutes(1));
#endif // defined(ENABLE_WEBRTC)
#if !defined(OS_ANDROID)
// WebUSB is an experimental web API. The sites these notifications will link
// to will only work if the experiment is enabled and WebUSB feature is
// enabled.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableExperimentalWebPlatformFeatures) &&
base::FeatureList::IsEnabled(features::kWebUsb)) {
web_usb_detector_.reset(new WebUsbDetector());
}
#endif
// At this point, StartupBrowserCreator::Start has run creating initial
// browser windows and tabs, but no progress has been made in loading
// content as the main message loop hasn't started processing tasks yet.
// We setup to observe to the initial page load here to defer running
// task posted via PostAfterStartupTask until its complete.
AfterStartupTaskUtils::StartMonitoringStartup();
}
int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl");
SCOPED_UMA_HISTOGRAM_LONG_TIMER("Startup.PreMainMessageLoopRunImplLongTime");
const base::TimeTicks start_time_step1 = base::TimeTicks::Now();
#if defined(OS_WIN)
// Pre-read chrome_child.dll.
const startup_metric_utils::PreReadOptions pre_read_options =
startup_metric_utils::GetPreReadOptions();
if (pre_read_options.pre_read &&
pre_read_options.pre_read_chrome_child_in_browser) {
BrowserThread::PostTask(
BrowserThread::FILE_USER_BLOCKING, FROM_HERE,
base::Bind(&PreReadFile,
installer::GetModulePath(installer::kChromeChildDll),
pre_read_options));
}
// Windows parental controls calls can be slow, so we do an early init here
// that calculates this value off of the UI thread.
IncognitoModePrefs::InitializePlatformParentalControls();
#endif
#if defined(ENABLE_EXTENSIONS)
if (!variations::GetVariationParamValue(
"LightSpeed", "EarlyInitStartup").empty()) {
// Try to compute this early on another thread so that we don't spend time
// during profile load initializing the extensions APIs.
BrowserThread::PostTask(
BrowserThread::FILE_USER_BLOCKING,
FROM_HERE,
base::Bind(
base::IgnoreResult(&extensions::FeatureProvider::GetAPIFeatures)));
}
#endif
// Android updates the metrics service dynamically depending on whether the
// application is in the foreground or not. Do not start here.
#if !defined(OS_ANDROID)
// Now that the file thread has been started, start recording.
StartMetricsRecording();
#endif // !defined(OS_ANDROID)
if (!base::debug::BeingDebugged()) {
// Create watchdog thread after creating all other threads because it will
// watch the other threads and they must be running.
browser_process_->watchdog_thread();
}
// Do any initializating in the browser process that requires all threads
// running.
browser_process_->PreMainMessageLoopRun();
// Record last shutdown time into a histogram.
browser_shutdown::ReadLastShutdownInfo();
#if defined(OS_WIN)
// On Windows, we use our startup as an opportunity to do upgrade/uninstall
// tasks. Those care whether the browser is already running. On Linux/Mac,
// upgrade/uninstall happen separately.
bool already_running = browser_util::IsBrowserAlreadyRunning();
// If the command line specifies 'uninstall' then we need to work here
// unless we detect another chrome browser running.
if (parsed_command_line().HasSwitch(switches::kUninstall)) {
return DoUninstallTasks(already_running);
}
if (parsed_command_line().HasSwitch(switches::kHideIcons) ||
parsed_command_line().HasSwitch(switches::kShowIcons)) {
return ChromeBrowserMainPartsWin::HandleIconsCommands(
parsed_command_line_);
}
ui::SelectFileDialog::SetFactory(new ChromeSelectFileDialogFactory(
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)));
#endif // defined(OS_WIN)
if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
bool is_managed = g_browser_process->local_state()->IsManagedPreference(
prefs::kDefaultBrowserSettingEnabled);
if (is_managed && !g_browser_process->local_state()->GetBoolean(
prefs::kDefaultBrowserSettingEnabled)) {
return static_cast<int>(chrome::RESULT_CODE_ACTION_DISALLOWED_BY_POLICY);
}
return shell_integration::SetAsDefaultBrowser()
? static_cast<int>(content::RESULT_CODE_NORMAL_EXIT)
: static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED);
}
#if defined(USE_AURA)
// Make sure aura::Env has been initialized.
CHECK(aura::Env::GetInstance());
#endif // defined(USE_AURA)
// Android doesn't support extensions and doesn't implement ProcessSingleton.
#if !defined(OS_ANDROID)
// If the command line specifies --pack-extension, attempt the pack extension
// startup action and exit.
if (parsed_command_line().HasSwitch(switches::kPackExtension)) {
extensions::StartupHelper extension_startup_helper;
if (extension_startup_helper.PackExtension(parsed_command_line()))
return content::RESULT_CODE_NORMAL_EXIT;
return chrome::RESULT_CODE_PACK_EXTENSION_ERROR;
}
// When another process is running, use that process instead of starting a
// new one. NotifyOtherProcess will currently give the other process up to
// 20 seconds to respond. Note that this needs to be done before we attempt
// to read the profile.
notify_result_ = process_singleton_->NotifyOtherProcessOrCreate();
switch (notify_result_) {
case ProcessSingleton::PROCESS_NONE:
// No process already running, fall through to starting a new one.
break;
case ProcessSingleton::PROCESS_NOTIFIED:
#if defined(OS_POSIX) && !defined(OS_MACOSX)
// On POSIX systems, print a message notifying the process is running.
printf("%s\n", base::SysWideToNativeMB(base::UTF16ToWide(
l10n_util::GetStringUTF16(IDS_USED_EXISTING_BROWSER))).c_str());
#endif // defined(OS_POSIX) && !defined(OS_MACOSX)
// Having a differentiated return type for testing allows for tests to
// verify proper handling of some switches. When not testing, stick to
// the standard Unix convention of returning zero when things went as
// expected.
if (parsed_command_line().HasSwitch(switches::kTestType))
return chrome::RESULT_CODE_NORMAL_EXIT_PROCESS_NOTIFIED;
return content::RESULT_CODE_NORMAL_EXIT;
case ProcessSingleton::PROFILE_IN_USE:
return chrome::RESULT_CODE_PROFILE_IN_USE;
case ProcessSingleton::LOCK_ERROR:
LOG(ERROR) << "Failed to create a ProcessSingleton for your profile "
"directory. This means that running multiple instances "
"would start multiple browser processes rather than "
"opening a new window in the existing process. Aborting "
"now to avoid profile corruption.";
return chrome::RESULT_CODE_PROFILE_IN_USE;
default:
NOTREACHED();
}
#endif // !defined(OS_ANDROID)
// Handle special early return paths (which couldn't be processed even earlier
// as they require the process singleton to be held) first.
std::string try_chrome =
parsed_command_line().GetSwitchValueASCII(switches::kTryChromeAgain);
if (!try_chrome.empty()) {
#if defined(OS_WIN)
// Setup.exe has determined that we need to run a retention experiment
// and has lauched chrome to show the experiment UI. It is guaranteed that
// no other Chrome is currently running as the process singleton was
// successfully grabbed above.
int try_chrome_int;
base::StringToInt(try_chrome, &try_chrome_int);
TryChromeDialogView::Result answer = TryChromeDialogView::Show(
try_chrome_int,
base::Bind(&ChromeProcessSingleton::SetActiveModalDialog,
base::Unretained(process_singleton_.get())));
if (answer == TryChromeDialogView::NOT_NOW)
return chrome::RESULT_CODE_NORMAL_EXIT_CANCEL;
if (answer == TryChromeDialogView::UNINSTALL_CHROME)
return chrome::RESULT_CODE_NORMAL_EXIT_EXP2;
// At this point the user is willing to try chrome again.
if (answer == TryChromeDialogView::TRY_CHROME_AS_DEFAULT) {
// Only set in the unattended case. This is not true on Windows 8+.
if (shell_integration::GetDefaultWebClientSetPermission() ==
shell_integration::SET_DEFAULT_UNATTENDED) {
shell_integration::SetAsDefaultBrowser();
}
}
#else
// We don't support retention experiments on Mac or Linux.
return content::RESULT_CODE_NORMAL_EXIT;
#endif // defined(OS_WIN)
}
#if defined(OS_WIN)
// Do the tasks if chrome has been upgraded while it was last running.
if (!already_running && upgrade_util::DoUpgradeTasks(parsed_command_line()))
return content::RESULT_CODE_NORMAL_EXIT;
// Check if there is any machine level Chrome installed on the current
// machine. If yes and the current Chrome process is user level, we do not
// allow the user level Chrome to run. So we notify the user and uninstall
// user level Chrome.
// Note this check needs to happen here (after the process singleton was
// obtained but before potentially creating the first run sentinel).
if (ChromeBrowserMainPartsWin::CheckMachineLevelInstall())
return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS;
#endif // defined(OS_WIN)
// Desktop construction occurs here, (required before profile creation).
PreProfileInit();
// Profile creation ----------------------------------------------------------
metrics::MetricsService::SetExecutionPhase(
metrics::MetricsService::CREATE_PROFILE,
g_browser_process->local_state());
UMA_HISTOGRAM_TIMES("Startup.PreMainMessageLoopRunImplStep1Time",
base::TimeTicks::Now() - start_time_step1);
// This step is costly and is already measured in Startup.CreateFirstProfile
// and more directly Profile.CreateAndInitializeProfile.
profile_ = CreatePrimaryProfile(parameters(),
user_data_dir_,
parsed_command_line());
if (!profile_)
return content::RESULT_CODE_NORMAL_EXIT;
#if !defined(OS_ANDROID)
const base::TimeTicks start_time_step2 = base::TimeTicks::Now();
// The first run sentinel must be created after the process singleton was
// grabbed and no early return paths were otherwise hit above.
first_run::CreateSentinelIfNeeded();
#endif // !defined(OS_ANDROID)
#if BUILDFLAG(ENABLE_BACKGROUND)
// Autoload any profiles which are running background apps.
// TODO(rlp): Do this on a separate thread. See http://crbug.com/99075.
browser_process_->profile_manager()->AutoloadProfiles();
#endif // BUILDFLAG(ENABLE_BACKGROUND)
// Post-profile init ---------------------------------------------------------
TranslateService::Initialize();
// Needs to be done before PostProfileInit, since login manager on CrOS is
// called inside PostProfileInit.
content::WebUIControllerFactory::RegisterFactory(
ChromeWebUIControllerFactory::GetInstance());
// NaClBrowserDelegateImpl is accessed inside PostProfileInit().
// So make sure to create it before that.
#if !defined(DISABLE_NACL)
NaClBrowserDelegateImpl* delegate =
new NaClBrowserDelegateImpl(browser_process_->profile_manager());
nacl::NaClBrowser::SetDelegate(delegate);
#endif // !defined(DISABLE_NACL)
// TODO(stevenjb): Move WIN and MACOSX specific code to appropriate Parts.
// (requires supporting early exit).
PostProfileInit();
#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
// Show the First Run UI if this is the first time Chrome has been run on
// this computer, or we're being compelled to do so by a command line flag.
// Note that this be done _after_ the PrefService is initialized and all
// preferences are registered, since some of the code that the importer
// touches reads preferences.
if (first_run::IsChromeFirstRun()) {
first_run::AutoImport(profile_,
master_prefs_->homepage_defined,
master_prefs_->do_import_items,
master_prefs_->dont_import_items,
master_prefs_->import_bookmarks_path);
// Note: this can pop the first run consent dialog on linux.
first_run::DoPostImportTasks(profile_,
master_prefs_->make_chrome_default_for_user);
if (!master_prefs_->suppress_first_run_default_browser_prompt) {
browser_creator_->set_show_main_browser_window(
!chrome::ShowFirstRunDefaultBrowserPrompt(profile_));
} else {
browser_creator_->set_is_default_browser_dialog_suppressed(true);
}
}
#endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
#if defined(OS_WIN)
// Sets things up so that if we crash from this point on, a dialog will
// popup asking the user to restart chrome. It is done this late to avoid
// testing against a bunch of special cases that are taken care early on.
ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
parsed_command_line());
// Registers Chrome with the Windows Restart Manager, which will restore the
// Chrome session when the computer is restarted after a system update.
// This could be run as late as WM_QUERYENDSESSION for system update reboots,
// but should run on startup if extended to handle crashes/hangs/patches.
// Also, better to run once here than once for each HWND's WM_QUERYENDSESSION.
if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
ChromeBrowserMainPartsWin::RegisterApplicationRestart(
parsed_command_line());
}
// Verify that the profile is not on a network share and if so prepare to show
// notification to the user.
if (NetworkProfileBubble::ShouldCheckNetworkProfile(profile_)) {
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(&NetworkProfileBubble::CheckNetworkProfile,
profile_->GetPath()));
}
#endif // defined(OS_WIN)
#if defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
// Init the RLZ library. This just binds the dll and schedules a task on the
// file thread to be run sometime later. If this is the first run we record
// the installation event.
PrefService* pref_service = profile_->GetPrefs();
int ping_delay = first_run::IsChromeFirstRun() ? master_prefs_->ping_delay :
pref_service->GetInteger(first_run::GetPingDelayPrefName().c_str());
// Negative ping delay means to send ping immediately after a first search is
// recorded.
rlz::RLZTracker::SetRlzDelegate(
base::WrapUnique(new ChromeRLZTrackerDelegate));
rlz::RLZTracker::InitRlzDelayed(
first_run::IsChromeFirstRun(), ping_delay < 0,
base::TimeDelta::FromMilliseconds(abs(ping_delay)),
ChromeRLZTrackerDelegate::IsGoogleDefaultSearch(profile_),
ChromeRLZTrackerDelegate::IsGoogleHomepage(profile_),
ChromeRLZTrackerDelegate::IsGoogleInStartpages(profile_));
#endif // defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
// Configure modules that need access to resources.
net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
media::SetLocalizedStringProvider(
chrome_common_media::LocalizedStringProvider);
// In unittest mode, this will do nothing. In normal mode, this will create
// the global IntranetRedirectDetector instance, which will promptly go to
// sleep for seven seconds (to avoid slowing startup), and wake up afterwards
// to see if it should do anything else.
//
// A simpler way of doing all this would be to have some function which could
// give the time elapsed since startup, and simply have this object check that
// when asked to initialize itself, but this doesn't seem to exist.
//
// This can't be created in the BrowserProcessImpl constructor because it
// needs to read prefs that get set after that runs.
browser_process_->intranet_redirect_detector();
#if defined(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
if (parsed_command_line().HasSwitch(switches::kDebugPrint)) {
base::FilePath path =
parsed_command_line().GetSwitchValuePath(switches::kDebugPrint);
printing::PrintedDocument::set_debug_dump_path(path);
}
#endif // defined(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
HandleTestParameters(parsed_command_line());
browser_process_->metrics_service()->RecordBreakpadHasDebugger(
base::debug::BeingDebugged());
language_usage_metrics::LanguageUsageMetrics::RecordAcceptLanguages(
profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage(
browser_process_->GetApplicationLocale());
// Start watching for hangs during startup. We disarm this hang detector when
// ThreadWatcher takes over or when browser is shutdown or when
// startup_watcher_ is deleted.
metrics::MetricsService::SetExecutionPhase(
metrics::MetricsService::STARTUP_TIMEBOMB_ARM,
g_browser_process->local_state());
startup_watcher_->Arm(base::TimeDelta::FromSeconds(600));
// On mobile, need for clean shutdown arises only when the application comes
// to foreground (i.e. MetricsService::OnAppEnterForeground is called).
// http://crbug.com/179143
#if !defined(OS_ANDROID)
// Start watching for a hang.
browser_process_->metrics_service()->LogNeedForCleanShutdown();
#endif // !defined(OS_ANDROID)
#if defined(ENABLE_PRINT_PREVIEW)
// Create the instance of the cloud print proxy service so that it can launch
// the service process if needed. This is needed because the service process
// might have shutdown because an update was available.
// TODO(torne): this should maybe be done with
// BrowserContextKeyedServiceFactory::ServiceIsCreatedWithBrowserContext()
// instead?
CloudPrintProxyServiceFactory::GetForProfile(profile_);
#endif // defined(ENABLE_PRINT_PREVIEW)
// Start watching all browser threads for responsiveness.
metrics::MetricsService::SetExecutionPhase(
metrics::MetricsService::THREAD_WATCHER_START,
g_browser_process->local_state());
ThreadWatcherList::StartWatchingAll(parsed_command_line());
#if defined(OS_ANDROID)
ThreadWatcherAndroid::RegisterApplicationStatusListener();
#endif // defined(OS_ANDROID)
#if !defined(DISABLE_NACL)
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(nacl::NaClProcessHost::EarlyStartup));
#endif // !defined(DISABLE_NACL)
// Make sure initial prefs are recorded
PrefMetricsService::Factory::GetForProfile(profile_);
PreBrowserStart();
// Instantiate the notification UI manager, as this triggers a perf timer
// used to measure startup time. TODO(stevenjb): Figure out what is actually
// triggering the timer and call that explicitly in the approprate place.
// http://crbug.com/105065.
browser_process_->notification_ui_manager();
if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate))
RegisterComponentsForUpdate();
#if defined(OS_ANDROID)
variations::VariationsService* variations_service =
browser_process_->variations_service();
if (variations_service) {
// Just initialize the policy prefs service here. Variations seed fetching
// will be initialized when the app enters foreground mode.
variations_service->set_policy_pref_service(profile_->GetPrefs());
}
translate::TranslateDownloadManager::RequestLanguageList(
profile_->GetPrefs());
#else
// Most general initialization is behind us, but opening a
// tab and/or session restore and such is still to be done.
base::TimeTicks browser_open_start = base::TimeTicks::Now();
// We are in regular browser boot sequence. Open initial tabs and enter the
// main message loop.
std::vector<Profile*> last_opened_profiles;
#if !defined(OS_CHROMEOS)
// On ChromeOS multiple profiles doesn't apply, and will break if we load
// them this early as the cryptohome hasn't yet been mounted (which happens
// only once we log in).
last_opened_profiles =
g_browser_process->profile_manager()->GetLastOpenedProfiles();
#endif // defined(OS_CHROMEOS)
UMA_HISTOGRAM_TIMES("Startup.PreMainMessageLoopRunImplStep2Time",
base::TimeTicks::Now() - start_time_step2);
// This step is costly and is already measured in
// Startup.StartupBrowserCreator_Start.
const bool started = browser_creator_->Start(
parsed_command_line(), base::FilePath(), profile_, last_opened_profiles);
const base::TimeTicks start_time_step3 = base::TimeTicks::Now();
if (started) {
#if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
// Initialize autoupdate timer. Timer callback costs basically nothing
// when browser is not in persistent mode, so it's OK to let it ride on
// the main thread. This needs to be done here because we don't want
// to start the timer when Chrome is run inside a test harness.
browser_process_->StartAutoupdateTimer();
#endif // defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
// On Linux, the running exe will be updated if an upgrade becomes
// available while the browser is running. We need to save the last
// modified time of the exe, so we can compare to determine if there is
// an upgrade while the browser is kept alive by a persistent extension.
upgrade_util::SaveLastModifiedTimeOfExe();
#endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
// Record now as the last successful chrome start.
GoogleUpdateSettings::SetLastRunTime();
#if defined(OS_MACOSX)
// Call Recycle() here as late as possible, before going into the loop
// because Start() will add things to it while creating the main window.
if (parameters().autorelease_pool)
parameters().autorelease_pool->Recycle();
#endif // defined(OS_MACOSX)
const base::TimeDelta delta = base::TimeTicks::Now() - browser_open_start;
startup_metric_utils::RecordBrowserOpenTabsDelta(delta);
// If we're running tests (ui_task is non-null), then we don't want to
// call RequestLanguageList or StartRepeatedVariationsSeedFetch or
// RequestLanguageList
if (parameters().ui_task == NULL) {
// Request new variations seed information from server.
variations::VariationsService* variations_service =
browser_process_->variations_service();
if (variations_service)
variations_service->PerformPreMainMessageLoopStartup();
translate::TranslateDownloadManager::RequestLanguageList(
profile_->GetPrefs());
}
}
run_message_loop_ = started;
browser_creator_.reset();
#if !defined(OS_LINUX) || defined(OS_CHROMEOS) // http://crbug.com/426393
content::StartPowerUsageMonitor();
#endif // !defined(OS_LINUX) || defined(OS_CHROMEOS)
process_power_collector_.reset(new ProcessPowerCollector);
process_power_collector_->Initialize();
#endif // !defined(OS_ANDROID)
PostBrowserStart();
if (parameters().ui_task) {
parameters().ui_task->Run();
delete parameters().ui_task;
run_message_loop_ = false;
}
#if defined(OS_WIN)
// Clean up old user data directory and disk cache directory.
downgrade::DeleteMovedUserDataSoon();
#endif
#if defined(OS_ANDROID)
// We never run the C++ main loop on Android, since the UI thread message
// loop is controlled by the OS, so this is as close as we can get to
// the start of the main loop.
if (result_code_ <= 0) {
RecordBrowserStartupTime();
}
#endif // defined(OS_ANDROID)
#if !defined(OS_ANDROID)
UMA_HISTOGRAM_TIMES("Startup.PreMainMessageLoopRunImplStep3Time",
base::TimeTicks::Now() - start_time_step3);
#endif // !defined(OS_ANDROID)
return result_code_;
}
bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
// Trace the entry and exit of this method. We don't use the TRACE_EVENT0
// macro because the tracing infrastructure doesn't expect a synchronous event
// around the main loop of a thread.
ScopedMainMessageLoopRunEvent scoped_main_message_loop_run_event;
#if defined(OS_ANDROID)
// Chrome on Android does not use default MessageLoop. It has its own
// Android specific MessageLoop
NOTREACHED();
return true;
#else
// Set the result code set in PreMainMessageLoopRun or set above.
*result_code = result_code_;
if (!run_message_loop_)
return true; // Don't run the default message loop.
// These should be invoked as close to the start of the browser's
// UI thread message loop as possible to get a stable measurement
// across versions.
RecordBrowserStartupTime();
DCHECK(base::MessageLoopForUI::IsCurrent());
base::RunLoop run_loop;
performance_monitor::PerformanceMonitor::GetInstance()->StartGatherCycle();
metrics::MetricsService::SetExecutionPhase(
metrics::MetricsService::MAIN_MESSAGE_LOOP_RUN,
g_browser_process->local_state());
run_loop.Run();
return true;
#endif // defined(OS_ANDROID)
}
void ChromeBrowserMainParts::PostMainMessageLoopRun() {
TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopRun");
#if defined(OS_ANDROID)
// Chrome on Android does not use default MessageLoop. It has its own
// Android specific MessageLoop
NOTREACHED();
#else
// Start watching for jank during shutdown. It gets disarmed when
// |shutdown_watcher_| object is destructed.
metrics::MetricsService::SetExecutionPhase(
metrics::MetricsService::SHUTDOWN_TIMEBOMB_ARM,
g_browser_process->local_state());
shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(300));
// Disarm the startup hang detector time bomb if it is still Arm'ed.
startup_watcher_->Disarm();
// Remove observers attached to D-Bus clients before DbusThreadManager is
// shut down.
process_power_collector_.reset();
web_usb_detector_.reset();
for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
chrome_extra_parts_[i]->PostMainMessageLoopRun();
// Some tests don't set parameters.ui_task, so they started translate
// language fetch that was never completed so we need to cleanup here
// otherwise it will be done by the destructor in a wrong thread.
TranslateService::Shutdown(parameters().ui_task == NULL);
if (notify_result_ == ProcessSingleton::PROCESS_NONE)
process_singleton_->Cleanup();
// Stop all tasks that might run on WatchDogThread.
ThreadWatcherList::StopWatchingAll();
browser_process_->metrics_service()->Stop();
restart_last_session_ = browser_shutdown::ShutdownPreThreadsStop();
browser_process_->StartTearDown();
#if defined(SYZYASAN)
// Disable the deferred free mechanism in the syzyasan module. This is needed
// to avoid a potential crash when the syzyasan module is unloaded.
if (base::FeatureList::IsEnabled(features::kSyzyasanDeferredFree)) {
typedef VOID(WINAPI * SyzyasanDisableDeferredFreeThreadFunc)(VOID);
HMODULE syzyasan_handle = ::GetModuleHandle(L"syzyasan_rtl.dll");
if (syzyasan_handle) {
SyzyasanDisableDeferredFreeThreadFunc syzyasan_disable_deferred_free =
reinterpret_cast<SyzyasanDisableDeferredFreeThreadFunc>(
::GetProcAddress(syzyasan_handle,
"asan_DisableDeferredFreeThread"));
if (syzyasan_disable_deferred_free)
syzyasan_disable_deferred_free();
}
}
#endif // defined(SYZYASAN)
#endif // defined(OS_ANDROID)
}
void ChromeBrowserMainParts::PostDestroyThreads() {
#if defined(OS_ANDROID)
// On Android, there is no quit/exit. So the browser's main message loop will
// not finish.
NOTREACHED();
#else
int restart_flags = restart_last_session_
? browser_shutdown::RESTART_LAST_SESSION
: browser_shutdown::NO_FLAGS;
#if BUILDFLAG(ENABLE_BACKGROUND)
if (restart_flags) {
restart_flags |= BackgroundModeManager::should_restart_in_background()
? browser_shutdown::RESTART_IN_BACKGROUND
: browser_shutdown::NO_FLAGS;
}
#endif // BUILDFLAG(ENABLE_BACKGROUND)
browser_process_->PostDestroyThreads();
// browser_shutdown takes care of deleting browser_process, so we need to
// release it.
ignore_result(browser_process_.release());
browser_shutdown::ShutdownPostThreadsStop(restart_flags);
master_prefs_.reset();
process_singleton_.reset();
device_event_log::Shutdown();
// We need to do this check as late as possible, but due to modularity, this
// may be the last point in Chrome. This would be more effective if done at
// a higher level on the stack, so that it is impossible for an early return
// to bypass this code. Perhaps we need a *final* hook that is called on all
// paths from content/browser/browser_main.
CHECK(metrics::MetricsService::UmaMetricsProperlyShutdown());
#if defined(OS_CHROMEOS)
chromeos::CrosSettings::Shutdown();
#endif // defined(OS_CHROMEOS)
#endif // defined(OS_ANDROID)
}
// Public members:
void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
chrome_extra_parts_.push_back(parts);
}