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chromium / chromium / src / fbf03889bb066ffa0b99c58b60680ff73acdebda / . / chrome / browser / chrome_browser_main.cc
blob: 2fb3af65accf37eb32ed027141d58cb8bc2e95f2 [file] [log] [blame]
// Copyright (c) 2011 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 <algorithm>
#include <string>
#include <vector>
#include "base/at_exit.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/mac/scoped_nsautorelease_pool.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/string_number_conversions.h"
#include "base/string_piece.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "base/sys_string_conversions.h"
#include "base/threading/platform_thread.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/about_flags.h"
#include "chrome/browser/background/background_mode_manager.h"
#include "chrome/browser/browser_process_impl.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/extensions/default_apps_trial.h"
#include "chrome/browser/extensions/extension_protocols.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extensions_startup.h"
#include "chrome/browser/first_run/first_run_browser_process.h"
#include "chrome/browser/first_run/upgrade_util.h"
#include "chrome/browser/google/google_url_tracker.h"
#include "chrome/browser/google/google_util.h"
#include "chrome/browser/instant/instant_field_trial.h"
#include "chrome/browser/jankometer.h"
#include "chrome/browser/language_usage_metrics.h"
#include "chrome/browser/metrics/field_trial_synchronizer.h"
#include "chrome/browser/metrics/histogram_synchronizer.h"
#include "chrome/browser/metrics/metrics_log.h"
#include "chrome/browser/metrics/metrics_service.h"
#include "chrome/browser/metrics/thread_watcher.h"
#include "chrome/browser/net/chrome_dns_cert_provenance_checker.h"
#include "chrome/browser/net/chrome_dns_cert_provenance_checker_factory.h"
#include "chrome/browser/net/chrome_net_log.h"
#include "chrome/browser/net/predictor.h"
#include "chrome/browser/plugin_prefs.h"
#include "chrome/browser/policy/browser_policy_connector.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/prefs/pref_value_store.h"
#include "chrome/browser/prerender/prerender_field_trial.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_manager.h"
#include "chrome/browser/search_engines/search_engine_type.h"
#include "chrome/browser/search_engines/template_url.h"
#include "chrome/browser/search_engines/template_url_service.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/service/service_process_control.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/translate/translate_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_init.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager_backend.h"
#include "chrome/browser/web_resource/gpu_blacklist_updater.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_result_codes.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_version_info.h"
#include "chrome/common/env_vars.h"
#include "chrome/common/json_pref_store.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/net/net_resource_provider.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/profiling.h"
#include "chrome/installer/util/google_update_settings.h"
#include "content/browser/browser_thread.h"
#include "content/browser/renderer_host/resource_dispatcher_host.h"
#include "content/common/child_process.h"
#include "content/common/main_function_params.h"
#include "content/public/common/content_client.h"
#include "grit/app_locale_settings.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/platform_locale_settings.h"
#include "net/base/cookie_monster.h"
#include "net/base/net_module.h"
#include "net/base/sdch_manager.h"
#include "net/http/http_basic_stream.h"
#include "net/http/http_network_layer.h"
#include "net/http/http_stream_factory.h"
#include "net/socket/client_socket_pool_base.h"
#include "net/socket/client_socket_pool_manager.h"
#include "net/spdy/spdy_session.h"
#include "net/spdy/spdy_session_pool.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_throttler_manager.h"
#include "net/websockets/websocket_job.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#if defined(USE_LINUX_BREAKPAD)
#include "base/linux_util.h"
#include "chrome/app/breakpad_linux.h"
#endif
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
#include "chrome/browser/first_run/upgrade_util_linux.h"
#endif
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/audio_handler.h"
#include "chrome/browser/chromeos/boot_times_loader.h"
#include "chrome/browser/chromeos/cros_settings_names.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
#include "chrome/browser/chromeos/cros/screen_lock_library.h"
#include "chrome/browser/chromeos/customization_document.h"
#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
#include "chrome/browser/chromeos/external_metrics.h"
#include "chrome/browser/chromeos/login/authenticator.h"
#include "chrome/browser/chromeos/login/login_utils.h"
#include "chrome/browser/chromeos/login/ownership_service.h"
#include "chrome/browser/chromeos/login/screen_locker.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/chromeos/system/runtime_environment.h"
#include "chrome/browser/chromeos/system_key_event_listener.h"
#include "chrome/browser/chromeos/user_cros_settings_provider.h"
#include "chrome/browser/chromeos/xinput_hierarchy_changed_event_listener.h"
#include "chrome/browser/oom_priority_manager.h"
#include "chrome/browser/ui/views/browser_dialogs.h"
#endif
// 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/environment.h" // For PreRead experiment.
#include "base/win/windows_version.h"
#include "chrome/browser/browser_trial.h"
#include "chrome/browser/browser_util_win.h"
#include "chrome/browser/chrome_browser_main_win.h"
#include "chrome/browser/first_run/try_chrome_dialog_view.h"
#include "chrome/browser/first_run/upgrade_util_win.h"
#include "chrome/browser/fragmentation_checker_win.h"
#include "chrome/browser/net/url_fixer_upper.h"
#include "chrome/browser/rlz/rlz.h"
#include "chrome/browser/ui/views/user_data_dir_dialog.h"
#include "chrome/installer/util/helper.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/shell_util.h"
#include "content/browser/user_metrics.h"
#include "net/base/net_util.h"
#include "printing/printed_document.h"
#include "ui/base/l10n/l10n_util_win.h"
#include "ui/gfx/platform_font_win.h"
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
#include <Security/Security.h>
#include "chrome/browser/mac/install_from_dmg.h"
#include "chrome/browser/mac/keystone_glue.h"
#endif
#if defined(TOOLKIT_VIEWS)
#include "chrome/browser/ui/views/chrome_views_delegate.h"
#include "views/desktop/desktop_window_view.h"
#include "views/focus/accelerator_handler.h"
#include "views/widget/widget.h"
#if defined(TOOLKIT_USES_GTK)
#include "views/widget/native_widget_gtk.h"
#endif
#endif
#if defined(TOOLKIT_USES_GTK)
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "ui/gfx/gtk_util.h"
#endif
#if defined(TOUCH_UI)
#include "ui/base/touch/touch_factory.h"
#endif
#if defined(USE_X11)
#include "chrome/browser/chrome_browser_main_x11.h"
#endif
#if defined(USE_AURA)
#include "chrome/browser/ui/views/aura/chrome_shell_delegate.h"
#include "ui/aura/desktop.h"
#include "ui/aura_shell/shell.h"
#endif
namespace net {
class NetLog;
} // namespace net
namespace {
// This function provides some ways to test crash and assertion handling
// behavior of the program.
void HandleTestParameters(const CommandLine& command_line) {
// This parameter causes an assertion.
if (command_line.HasSwitch(switches::kBrowserAssertTest)) {
DCHECK(false);
}
// 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_CHROMEOS)
// Test loading libcros and exit. We return 0 if the library could be loaded,
// and 1 if it can't be. This is for validation that the library is installed
// and versioned properly for Chrome to find.
if (command_line.HasSwitch(switches::kTestLoadLibcros))
exit(!chromeos::CrosLibrary::Get()->EnsureLoaded());
#endif
}
void AddFirstRunNewTabs(BrowserInit* browser_init,
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_init->AddFirstRunTab(*it);
}
}
#if defined(USE_LINUX_BREAKPAD)
class GetLinuxDistroTask : public Task {
public:
explicit GetLinuxDistroTask() {}
virtual void Run() {
base::GetLinuxDistro(); // Initialize base::linux_distro if needed.
}
DISALLOW_COPY_AND_ASSIGN(GetLinuxDistroTask);
};
#endif // USE_LINUX_BREAKPAD
void InitializeNetworkOptions(const CommandLine& parsed_command_line) {
if (parsed_command_line.HasSwitch(switches::kEnableFileCookies)) {
// Enable cookie storage for file:// URLs. Must do this before the first
// Profile (and therefore the first CookieMonster) is created.
net::CookieMonster::EnableFileScheme();
}
if (parsed_command_line.HasSwitch(switches::kEnableMacCookies))
net::URLRequest::EnableMacCookies();
if (parsed_command_line.HasSwitch(switches::kIgnoreCertificateErrors))
net::HttpStreamFactory::set_ignore_certificate_errors(true);
if (parsed_command_line.HasSwitch(switches::kHostRules))
net::HttpStreamFactory::SetHostMappingRules(
parsed_command_line.GetSwitchValueASCII(switches::kHostRules));
if (parsed_command_line.HasSwitch(switches::kEnableIPPooling))
net::SpdySessionPool::enable_ip_pooling(true);
if (parsed_command_line.HasSwitch(switches::kDisableIPPooling))
net::SpdySessionPool::enable_ip_pooling(false);
if (parsed_command_line.HasSwitch(switches::kMaxSpdySessionsPerDomain)) {
int value;
base::StringToInt(parsed_command_line.GetSwitchValueASCII(
switches::kMaxSpdySessionsPerDomain),
&value);
net::SpdySessionPool::set_max_sessions_per_domain(value);
}
SetDnsCertProvenanceCheckerFactory(CreateChromeDnsCertProvenanceChecker);
if (parsed_command_line.HasSwitch(switches::kEnableWebSocketOverSpdy)) {
// Enable WebSocket over SPDY.
net::WebSocketJob::set_websocket_over_spdy_enabled(true);
}
if (parsed_command_line.HasSwitch(switches::kEnableHttpPipelining))
net::HttpStreamFactory::set_http_pipelining_enabled(true);
}
void InitializeURLRequestThrottlerManager(net::NetLog* net_log) {
net::URLRequestThrottlerManager::GetInstance()->set_enable_thread_checks(
true);
// TODO(joi): Passing the NetLog here is temporary; once I switch the
// URLRequestThrottlerManager to be part of the URLRequestContext it will
// come from there. Doing it this way for now (2011/5/12) to try to fail
// fast in case A/B experiment gives unexpected results.
net::URLRequestThrottlerManager::GetInstance()->set_net_log(net_log);
}
// Creates key child threads. We need to do this explicitly since
// BrowserThread::PostTask silently deletes a posted task if the target message
// loop isn't created.
void CreateChildThreads(BrowserProcessImpl* process) {
process->db_thread();
process->file_thread();
process->process_launcher_thread();
process->cache_thread();
process->io_thread();
#if defined(OS_CHROMEOS)
process->web_socket_proxy_thread();
#endif
// Create watchdog thread after creating all other threads because it will
// watch the other threads and they must be running.
process->watchdog_thread();
}
// Returns the new local state object, guaranteed non-NULL.
PrefService* InitializeLocalState(const CommandLine& parsed_command_line,
bool is_first_run) {
FilePath local_state_path;
PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path);
bool local_state_file_exists = file_util::PathExists(local_state_path);
// Load local state. This includes the application locale so we know which
// locale dll to load.
PrefService* local_state = g_browser_process->local_state();
DCHECK(local_state);
// TODO(brettw,*): this comment about ResourceBundle was here since
// initial commit. This comment seems unrelated, bit-rotten and
// a candidate for removal.
// Initialize ResourceBundle which handles files loaded from external
// sources. This has to be done before uninstall code path and before prefs
// are registered.
local_state->RegisterStringPref(prefs::kApplicationLocale, std::string());
#if defined(OS_CHROMEOS)
local_state->RegisterStringPref(prefs::kOwnerLocale, std::string());
local_state->RegisterStringPref(prefs::kHardwareKeyboardLayout,
std::string());
#endif // defined(OS_CHROMEOS)
#if !defined(OS_CHROMEOS)
local_state->RegisterBooleanPref(prefs::kMetricsReportingEnabled,
GoogleUpdateSettings::GetCollectStatsConsent());
#endif // !defined(OS_CHROMEOS)
if (is_first_run) {
#if defined(OS_WIN)
// 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.
std::wstring install_lang;
if (GoogleUpdateSettings::GetLanguage(&install_lang)) {
local_state->SetString(prefs::kApplicationLocale,
WideToASCII(install_lang));
}
#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.
if (!local_state_file_exists &&
parsed_command_line.HasSwitch(switches::kParentProfile)) {
FilePath parent_profile =
parsed_command_line.GetSwitchValuePath(switches::kParentProfile);
scoped_ptr<PrefService> parent_local_state(
PrefService::CreatePrefService(parent_profile, NULL, false));
parent_local_state->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(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);
local_state->ScheduleSavePersistentPrefs();
}
}
#endif
return local_state;
}
// Initializes the profile, possibly doing some user prompting to pick a
// fallback profile. Returns the newly created profile, or NULL if startup
// should not continue.
Profile* CreateProfile(const MainFunctionParams& parameters,
const FilePath& user_data_dir,
const CommandLine& parsed_command_line) {
Profile* profile;
if (ProfileManager::IsMultipleProfilesEnabled() &&
parsed_command_line.HasSwitch(switches::kProfileDirectory)) {
g_browser_process->local_state()->SetString(prefs::kProfileLastUsed,
parsed_command_line.GetSwitchValueASCII(
switches::kProfileDirectory));
}
profile = g_browser_process->profile_manager()->GetLastUsedProfile(
user_data_dir);
if (profile)
return profile;
#if defined(OS_WIN)
#if defined(USE_AURA)
// TODO(beng):
NOTIMPLEMENTED();
#else
// Ideally, we should be able to run w/o access to disk. For now, we
// prompt the user to pick a different user-data-dir and restart chrome
// with the new dir.
// http://code.google.com/p/chromium/issues/detail?id=11510
FilePath new_user_data_dir = UserDataDirDialog::RunUserDataDirDialog(
user_data_dir);
if (!parameters.ui_task && browser_shutdown::delete_resources_on_shutdown) {
// Only delete the resources if we're not running tests. If we're running
// tests the resources need to be reused as many places in the UI cache
// SkBitmaps from the ResourceBundle.
ResourceBundle::CleanupSharedInstance();
}
if (!new_user_data_dir.empty()) {
// Because of the way CommandLine parses, it's sufficient to append a new
// --user-data-dir switch. The last flag of the same name wins.
// TODO(tc): It would be nice to remove the flag we don't want, but that
// sounds risky if we parse differently than CommandLineToArgvW.
CommandLine new_command_line = parameters.command_line_;
new_command_line.AppendSwitchPath(switches::kUserDataDir,
new_user_data_dir);
base::LaunchProcess(new_command_line, base::LaunchOptions(), NULL);
}
#endif
#else
// 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.";
#endif
return NULL;
}
#if defined(OS_WIN)
// gfx::Font callbacks
void AdjustUIFont(LOGFONT* logfont) {
l10n_util::AdjustUIFont(logfont);
}
int GetMinimumFontSize() {
int min_font_size;
base::StringToInt(l10n_util::GetStringUTF16(IDS_MINIMUM_UI_FONT_SIZE),
&min_font_size);
return min_font_size;
}
#endif
#if defined(OS_CHROMEOS)
// Class is used to login using passed username and password.
// The instance will be deleted upon success or failure.
class StubLogin : public chromeos::LoginStatusConsumer,
public chromeos::LoginUtils::Delegate {
public:
StubLogin(std::string username, std::string password) {
authenticator_ = chromeos::LoginUtils::Get()->CreateAuthenticator(this);
authenticator_.get()->AuthenticateToLogin(
g_browser_process->profile_manager()->GetDefaultProfile(),
username,
password,
std::string(),
std::string());
}
~StubLogin() {
chromeos::LoginUtils::Get()->DelegateDeleted(this);
}
void OnLoginFailure(const chromeos::LoginFailure& error) {
LOG(ERROR) << "Login Failure: " << error.GetErrorString();
delete this;
}
void OnLoginSuccess(const std::string& username,
const std::string& password,
const GaiaAuthConsumer::ClientLoginResult& credentials,
bool pending_requests,
bool using_oauth) {
// Will call OnProfilePrepared in the end.
chromeos::LoginUtils::Get()->PrepareProfile(username,
password,
credentials,
pending_requests,
using_oauth,
false,
this);
}
// LoginUtils::Delegate implementation:
virtual void OnProfilePrepared(Profile* profile) {
chromeos::LoginUtils::DoBrowserLaunch(profile, NULL);
delete this;
}
scoped_refptr<chromeos::Authenticator> authenticator_;
};
void OptionallyRunChromeOSLoginManager(const CommandLine& parsed_command_line,
Profile* profile) {
if (parsed_command_line.HasSwitch(switches::kLoginManager)) {
std::string first_screen =
parsed_command_line.GetSwitchValueASCII(switches::kLoginScreen);
std::string size_arg =
parsed_command_line.GetSwitchValueASCII(
switches::kLoginScreenSize);
gfx::Size size(0, 0);
// Allow the size of the login window to be set explicitly. If not set,
// default to the entire screen. This is mostly useful for testing.
if (size_arg.size()) {
std::vector<std::string> dimensions;
base::SplitString(size_arg, ',', &dimensions);
if (dimensions.size() == 2) {
int width, height;
if (base::StringToInt(dimensions[0], &width) &&
base::StringToInt(dimensions[1], &height))
size.SetSize(width, height);
}
}
browser::ShowLoginWizard(first_screen, size);
} else if (parsed_command_line.HasSwitch(switches::kLoginUser) &&
parsed_command_line.HasSwitch(switches::kLoginPassword)) {
chromeos::BootTimesLoader::Get()->RecordLoginAttempted();
new StubLogin(
parsed_command_line.GetSwitchValueASCII(switches::kLoginUser),
parsed_command_line.GetSwitchValueASCII(switches::kLoginPassword));
} else {
// We did not log in (we crashed or are debugging), so we need to
// set the user name for sync.
profile->GetProfileSyncService(
chromeos::UserManager::Get()->logged_in_user().email());
}
}
#else
void OptionallyRunChromeOSLoginManager(const CommandLine& parsed_command_line,
Profile* profile) {
// Dummy empty function for non-ChromeOS builds to avoid extra ifdefs below.
}
#endif // defined(OS_CHROMEOS)
#if defined(OS_MACOSX)
OSStatus KeychainCallback(SecKeychainEvent keychain_event,
SecKeychainCallbackInfo *info, void *context) {
return noErr;
}
#endif
#if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
void RegisterTranslateableItems(void) {
struct {
const char* stock_id;
int resource_id;
} translations[] = {
{ GTK_STOCK_COPY, IDS_COPY },
{ GTK_STOCK_CUT, IDS_CUT },
{ GTK_STOCK_PASTE, IDS_PASTE },
{ GTK_STOCK_DELETE, IDS_DELETE },
{ GTK_STOCK_SELECT_ALL, IDS_SELECT_ALL },
{ NULL, -1 }
}, *trans;
for (trans = translations; trans->stock_id; trans++) {
GtkStockItem stock_item;
if (gtk_stock_lookup(trans->stock_id, &stock_item)) {
std::string trans_label = gfx::ConvertAcceleratorsFromWindowsStyle(
l10n_util::GetStringUTF8(trans->resource_id));
stock_item.label = g_strdup(trans_label.c_str());
gtk_stock_add(&stock_item, 1);
g_free(stock_item.label);
}
}
}
#endif // defined(OS_CHROMEOS)
void SetSocketReusePolicy(int warmest_socket_trial_group,
const int socket_policy[],
int num_groups) {
const int* result = std::find(socket_policy, socket_policy + num_groups,
warmest_socket_trial_group);
DCHECK_NE(result, socket_policy + num_groups)
<< "Not a valid socket reuse policy group";
net::SetSocketReusePolicy(result - socket_policy);
}
#if defined(USE_LINUX_BREAKPAD)
bool IsCrashReportingEnabled(const PrefService* local_state) {
// Check whether we should initialize the crash reporter. It may be disabled
// through configuration policy or user preference. It must be disabled for
// Guest mode on Chrome OS in Stable channel.
// The kHeadless environment variable overrides the decision, but only if the
// crash service is under control of the user. It is used by QA testing
// infrastructure to switch on generation of crash reports.
#if defined(OS_CHROMEOS)
bool is_guest_session =
CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession);
bool is_stable_channel =
chrome::VersionInfo::GetChannel() == chrome::VersionInfo::CHANNEL_STABLE;
bool breakpad_enabled =
!(is_guest_session && is_stable_channel) &&
chromeos::UserCrosSettingsProvider::cached_reporting_enabled();
if (!breakpad_enabled)
breakpad_enabled = getenv(env_vars::kHeadless) != NULL;
#else
const PrefService::Preference* metrics_reporting_enabled =
local_state->FindPreference(prefs::kMetricsReportingEnabled);
CHECK(metrics_reporting_enabled);
bool breakpad_enabled =
local_state->GetBoolean(prefs::kMetricsReportingEnabled);
if (!breakpad_enabled && metrics_reporting_enabled->IsUserModifiable())
breakpad_enabled = getenv(env_vars::kHeadless) != NULL;
#endif // #if defined(OS_CHROMEOS)
return breakpad_enabled;
}
#endif // #if defined(USE_LINUX_BREAKPAD)
// This code is specific to the Windows-only PreReadExperiment field-trial.
void AddPreReadHistogramTime(const char* name, base::TimeDelta time) {
const base::TimeDelta kMin(base::TimeDelta::FromMilliseconds(1));
const base::TimeDelta kMax(base::TimeDelta::FromHours(1));
static const size_t kBuckets(100);
// FactoryTimeGet will always return a pointer to the same histogram object,
// keyed on its name. There's no need for us to store it explicitly anywhere.
base::Histogram* counter = base::Histogram::FactoryTimeGet(
name, kMin, kMax, kBuckets, base::Histogram::kUmaTargetedHistogramFlag);
counter->AddTime(time);
}
} // namespace
namespace chrome_browser {
// This error message is not localized because we failed to load the
// localization data files.
const char kMissingLocaleDataTitle[] = "Missing File Error";
const char kMissingLocaleDataMessage[] =
"Unable to find locale data files. Please reinstall.";
} // namespace chrome_browser
// BrowserMainParts ------------------------------------------------------------
ChromeBrowserMainParts::ChromeBrowserMainParts(
const MainFunctionParams& parameters)
: parameters_(parameters),
parsed_command_line_(parameters.command_line_),
result_code_(content::RESULT_CODE_NORMAL_EXIT),
shutdown_watcher_(new ShutdownWatcherHelper()),
record_search_engine_(false),
translate_manager_(NULL),
profile_(NULL),
run_message_loop_(true),
notify_result_(ProcessSingleton::PROCESS_NONE) {
// If we're running tests (ui_task is non-null).
if (parameters.ui_task)
browser_defaults::enable_help_app = false;
}
ChromeBrowserMainParts::~ChromeBrowserMainParts() {
}
// This will be called after the command-line has been mutated by about:flags
MetricsService* ChromeBrowserMainParts::SetupMetricsAndFieldTrials(
PrefService* local_state) {
// 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).
MetricsService* metrics = InitializeMetrics(
parsed_command_line_, local_state);
// Initialize FieldTrialList to support FieldTrials that use one-time
// randomization. The client ID will be empty if the user has not opted
// to send metrics.
field_trial_list_.reset(new base::FieldTrialList(metrics->GetClientId()));
SetupFieldTrials(metrics->recording_active(),
local_state->IsManagedPreference(
prefs::kMaxConnectionsPerProxy));
// Initialize FieldTrialSynchronizer system. This is a singleton and is used
// for posting tasks via NewRunnableMethod. Its deleted when it goes out of
// scope. Even though NewRunnableMethod does AddRef and Release, the object
// will not be deleted after the Task is executed.
field_trial_synchronizer_ = new FieldTrialSynchronizer();
return metrics;
}
// This is an A/B test for the maximum number of persistent connections per
// host. Currently Chrome, Firefox, and IE8 have this value set at 6. Safari
// uses 4, and Fasterfox (a plugin for Firefox that supposedly configures it to
// run faster) uses 8. We would like to see how much of an effect this value has
// on browsing. Too large a value might cause us to run into SYN flood detection
// mechanisms.
void ChromeBrowserMainParts::ConnectionFieldTrial() {
const base::FieldTrial::Probability kConnectDivisor = 100;
const base::FieldTrial::Probability kConnectProbability = 1; // 1% prob.
// After June 30, 2011 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> connect_trial(
new base::FieldTrial(
"ConnCountImpact", kConnectDivisor, "conn_count_6", 2011, 6, 30));
// This (6) is the current default value. Having this group declared here
// makes it straightforward to modify |kConnectProbability| such that the same
// probability value will be assigned to all the other groups, while
// preserving the remainder of the of probability space to the default value.
const int connect_6 = connect_trial->kDefaultGroupNumber;
const int connect_5 = connect_trial->AppendGroup("conn_count_5",
kConnectProbability);
const int connect_7 = connect_trial->AppendGroup("conn_count_7",
kConnectProbability);
const int connect_8 = connect_trial->AppendGroup("conn_count_8",
kConnectProbability);
const int connect_9 = connect_trial->AppendGroup("conn_count_9",
kConnectProbability);
const int connect_trial_group = connect_trial->group();
if (connect_trial_group == connect_5) {
net::ClientSocketPoolManager::set_max_sockets_per_group(5);
} else if (connect_trial_group == connect_6) {
net::ClientSocketPoolManager::set_max_sockets_per_group(6);
} else if (connect_trial_group == connect_7) {
net::ClientSocketPoolManager::set_max_sockets_per_group(7);
} else if (connect_trial_group == connect_8) {
net::ClientSocketPoolManager::set_max_sockets_per_group(8);
} else if (connect_trial_group == connect_9) {
net::ClientSocketPoolManager::set_max_sockets_per_group(9);
} else {
NOTREACHED();
}
}
// A/B test for determining a value for unused socket timeout. Currently the
// timeout defaults to 10 seconds. Having this value set too low won't allow us
// to take advantage of idle sockets. Setting it to too high could possibly
// result in more ERR_CONNECTION_RESETs, since some servers will kill a socket
// before we time it out. Since these are "unused" sockets, we won't retry the
// connection and instead show an error to the user. So we need to be
// conservative here. We've seen that some servers will close the socket after
// as short as 10 seconds. See http://crbug.com/84313 for more details.
void ChromeBrowserMainParts::SocketTimeoutFieldTrial() {
const base::FieldTrial::Probability kIdleSocketTimeoutDivisor = 100;
// 1% probability for all experimental settings.
const base::FieldTrial::Probability kSocketTimeoutProbability = 1;
// After June 30, 2011 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> socket_timeout_trial(
new base::FieldTrial("IdleSktToImpact", kIdleSocketTimeoutDivisor,
"idle_timeout_10", 2011, 6, 30));
const int socket_timeout_10 = socket_timeout_trial->kDefaultGroupNumber;
const int socket_timeout_5 =
socket_timeout_trial->AppendGroup("idle_timeout_5",
kSocketTimeoutProbability);
const int socket_timeout_20 =
socket_timeout_trial->AppendGroup("idle_timeout_20",
kSocketTimeoutProbability);
const int idle_to_trial_group = socket_timeout_trial->group();
if (idle_to_trial_group == socket_timeout_5) {
net::ClientSocketPool::set_unused_idle_socket_timeout(
base::TimeDelta::FromSeconds(5));
} else if (idle_to_trial_group == socket_timeout_10) {
net::ClientSocketPool::set_unused_idle_socket_timeout(
base::TimeDelta::FromSeconds(10));
} else if (idle_to_trial_group == socket_timeout_20) {
net::ClientSocketPool::set_unused_idle_socket_timeout(
base::TimeDelta::FromSeconds(20));
} else {
NOTREACHED();
}
}
void ChromeBrowserMainParts::ProxyConnectionsFieldTrial() {
const base::FieldTrial::Probability kProxyConnectionsDivisor = 100;
// 25% probability
const base::FieldTrial::Probability kProxyConnectionProbability = 1;
// After June 30, 2011 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> proxy_connection_trial(
new base::FieldTrial("ProxyConnectionImpact", kProxyConnectionsDivisor,
"proxy_connections_32", 2011, 6, 30));
// This (32 connections per proxy server) is the current default value.
// Declaring it here allows us to easily re-assign the probability space while
// maintaining that the default group always has the remainder of the "share",
// which allows for cleaner and quicker changes down the line if needed.
const int proxy_connections_32 = proxy_connection_trial->kDefaultGroupNumber;
// The number of max sockets per group cannot be greater than the max number
// of sockets per proxy server. We tried using 8, and it can easily
// lead to total browser stalls.
const int proxy_connections_16 =
proxy_connection_trial->AppendGroup("proxy_connections_16",
kProxyConnectionProbability);
const int proxy_connections_64 =
proxy_connection_trial->AppendGroup("proxy_connections_64",
kProxyConnectionProbability);
const int proxy_connections_trial_group = proxy_connection_trial->group();
if (proxy_connections_trial_group == proxy_connections_16) {
net::ClientSocketPoolManager::set_max_sockets_per_proxy_server(16);
} else if (proxy_connections_trial_group == proxy_connections_32) {
net::ClientSocketPoolManager::set_max_sockets_per_proxy_server(32);
} else if (proxy_connections_trial_group == proxy_connections_64) {
net::ClientSocketPoolManager::set_max_sockets_per_proxy_server(64);
} else {
NOTREACHED();
}
}
// When --use-spdy not set, users will be in A/B test for spdy.
// group A (npn_with_spdy): this means npn and spdy are enabled. In case server
// supports spdy, browser will use spdy.
// group B (npn_with_http): this means npn is enabled but spdy won't be used.
// Http is still used for all requests.
// default group: no npn or spdy is involved. The "old" non-spdy
// chrome behavior.
void ChromeBrowserMainParts::SpdyFieldTrial() {
if (parsed_command_line().HasSwitch(switches::kUseSpdy)) {
std::string spdy_mode =
parsed_command_line().GetSwitchValueASCII(switches::kUseSpdy);
net::HttpNetworkLayer::EnableSpdy(spdy_mode);
} else {
#if !defined(OS_CHROMEOS)
bool is_spdy_trial = false;
const base::FieldTrial::Probability kSpdyDivisor = 100;
base::FieldTrial::Probability npnhttp_probability = 5;
// After June 30, 2013 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> trial(
new base::FieldTrial(
"SpdyImpact", kSpdyDivisor, "npn_with_spdy", 2013, 6, 30));
// npn with spdy support is the default.
int npn_spdy_grp = trial->kDefaultGroupNumber;
// npn with only http support, no spdy.
int npn_http_grp = trial->AppendGroup("npn_with_http", npnhttp_probability);
int trial_grp = trial->group();
if (trial_grp == npn_http_grp) {
is_spdy_trial = true;
net::HttpNetworkLayer::EnableSpdy("npn-http");
} else if (trial_grp == npn_spdy_grp) {
is_spdy_trial = true;
net::HttpNetworkLayer::EnableSpdy("npn");
} else {
CHECK(!is_spdy_trial);
}
#else
// Always enable SPDY on Chrome OS
net::HttpNetworkLayer::EnableSpdy("npn");
#endif // !defined(OS_CHROMEOS)
}
// Setup SPDY CWND Field trial.
const base::FieldTrial::Probability kSpdyCwndDivisor = 100;
const base::FieldTrial::Probability kSpdyCwnd16 = 20; // fixed at 16
const base::FieldTrial::Probability kSpdyCwnd10 = 20; // fixed at 10
const base::FieldTrial::Probability kSpdyCwndMin16 = 20; // no less than 16
const base::FieldTrial::Probability kSpdyCwndMin10 = 20; // no less than 10
// After June 30, 2013 builds, it will always be in default group
// (cwndDynamic).
scoped_refptr<base::FieldTrial> trial(
new base::FieldTrial(
"SpdyCwnd", kSpdyCwndDivisor, "cwndDynamic", 2013, 6, 30));
trial->AppendGroup("cwnd10", kSpdyCwnd10);
trial->AppendGroup("cwnd16", kSpdyCwnd16);
trial->AppendGroup("cwndMin16", kSpdyCwndMin16);
trial->AppendGroup("cwndMin10", kSpdyCwndMin10);
if (parsed_command_line().HasSwitch(switches::kMaxSpdyConcurrentStreams)) {
int value = 0;
base::StringToInt(parsed_command_line().GetSwitchValueASCII(
switches::kMaxSpdyConcurrentStreams),
&value);
if (value > 0)
net::SpdySession::set_max_concurrent_streams(value);
}
}
// If --socket-reuse-policy is not specified, run an A/B test for choosing the
// warmest socket.
void ChromeBrowserMainParts::WarmConnectionFieldTrial() {
const CommandLine& command_line = parsed_command_line();
if (command_line.HasSwitch(switches::kSocketReusePolicy)) {
std::string socket_reuse_policy_str = command_line.GetSwitchValueASCII(
switches::kSocketReusePolicy);
int policy = -1;
base::StringToInt(socket_reuse_policy_str, &policy);
const int policy_list[] = { 0, 1, 2 };
VLOG(1) << "Setting socket_reuse_policy = " << policy;
SetSocketReusePolicy(policy, policy_list, arraysize(policy_list));
return;
}
const base::FieldTrial::Probability kWarmSocketDivisor = 100;
const base::FieldTrial::Probability kWarmSocketProbability = 33;
// After January 30, 2013 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> warmest_socket_trial(
new base::FieldTrial(
"WarmSocketImpact", kWarmSocketDivisor, "last_accessed_socket",
2013, 1, 30));
// Default value is USE_LAST_ACCESSED_SOCKET.
const int last_accessed_socket = warmest_socket_trial->kDefaultGroupNumber;
const int warmest_socket = warmest_socket_trial->AppendGroup(
"warmest_socket", kWarmSocketProbability);
const int warm_socket = warmest_socket_trial->AppendGroup(
"warm_socket", kWarmSocketProbability);
const int warmest_socket_trial_group = warmest_socket_trial->group();
const int policy_list[] = { warmest_socket, warm_socket,
last_accessed_socket };
SetSocketReusePolicy(warmest_socket_trial_group, policy_list,
arraysize(policy_list));
}
// If neither --enable-connect-backup-jobs or --disable-connect-backup-jobs is
// specified, run an A/B test for automatically establishing backup TCP
// connections when a certain timeout value is exceeded.
void ChromeBrowserMainParts::ConnectBackupJobsFieldTrial() {
if (parsed_command_line().HasSwitch(switches::kEnableConnectBackupJobs)) {
net::internal::ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(
true);
} else if (parsed_command_line().HasSwitch(
switches::kDisableConnectBackupJobs)) {
net::internal::ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(
false);
} else {
const base::FieldTrial::Probability kConnectBackupJobsDivisor = 100;
// 1% probability.
const base::FieldTrial::Probability kConnectBackupJobsProbability = 1;
// After June 30, 2011 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> trial(
new base::FieldTrial("ConnnectBackupJobs",
kConnectBackupJobsDivisor, "ConnectBackupJobsEnabled", 2011, 6,
30));
const int connect_backup_jobs_enabled = trial->kDefaultGroupNumber;
trial->AppendGroup("ConnectBackupJobsDisabled",
kConnectBackupJobsProbability);
const int trial_group = trial->group();
net::internal::ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(
trial_group == connect_backup_jobs_enabled);
}
}
void ChromeBrowserMainParts::PredictorFieldTrial() {
const base::FieldTrial::Probability kDivisor = 1000;
// For each option (i.e., non-default), we have a fixed probability.
// 0.1% probability.
const base::FieldTrial::Probability kProbabilityPerGroup = 1;
// After June 30, 2011 builds, it will always be in default group
// (default_enabled_prefetch).
scoped_refptr<base::FieldTrial> trial(
new base::FieldTrial("DnsImpact", kDivisor,
"default_enabled_prefetch", 2011, 10, 30));
// First option is to disable prefetching completely.
int disabled_prefetch = trial->AppendGroup("disabled_prefetch",
kProbabilityPerGroup);
// We're running two experiments at the same time. The first set of trials
// modulates the delay-time until we declare a congestion event (and purge
// our queue). The second modulates the number of concurrent resolutions
// we do at any time. Users are in exactly one trial (or the default) during
// any one run, and hence only one experiment at a time.
// Experiment 1:
// Set congestion detection at 250, 500, or 750ms, rather than the 1 second
// default.
int max_250ms_prefetch = trial->AppendGroup("max_250ms_queue_prefetch",
kProbabilityPerGroup);
int max_500ms_prefetch = trial->AppendGroup("max_500ms_queue_prefetch",
kProbabilityPerGroup);
int max_750ms_prefetch = trial->AppendGroup("max_750ms_queue_prefetch",
kProbabilityPerGroup);
// Set congestion detection at 2 seconds instead of the 1 second default.
int max_2s_prefetch = trial->AppendGroup("max_2s_queue_prefetch",
kProbabilityPerGroup);
// Experiment 2:
// Set max simultaneous resoultions to 2, 4, or 6, and scale the congestion
// limit proportionally (so we don't impact average probability of asserting
// congesion very much).
int max_2_concurrent_prefetch = trial->AppendGroup(
"max_2 concurrent_prefetch", kProbabilityPerGroup);
int max_4_concurrent_prefetch = trial->AppendGroup(
"max_4 concurrent_prefetch", kProbabilityPerGroup);
int max_6_concurrent_prefetch = trial->AppendGroup(
"max_6 concurrent_prefetch", kProbabilityPerGroup);
if (trial->group() != disabled_prefetch) {
// Initialize the DNS prefetch system.
size_t max_parallel_resolves =
chrome_browser_net::Predictor::kMaxSpeculativeParallelResolves;
int max_queueing_delay_ms =
chrome_browser_net::Predictor::kMaxSpeculativeResolveQueueDelayMs;
if (trial->group() == max_2_concurrent_prefetch)
max_parallel_resolves = 2;
else if (trial->group() == max_4_concurrent_prefetch)
max_parallel_resolves = 4;
else if (trial->group() == max_6_concurrent_prefetch)
max_parallel_resolves = 6;
chrome_browser_net::Predictor::set_max_parallel_resolves(
max_parallel_resolves);
if (trial->group() == max_250ms_prefetch) {
max_queueing_delay_ms =
(250 * chrome_browser_net::Predictor::kTypicalSpeculativeGroupSize) /
max_parallel_resolves;
} else if (trial->group() == max_500ms_prefetch) {
max_queueing_delay_ms =
(500 * chrome_browser_net::Predictor::kTypicalSpeculativeGroupSize) /
max_parallel_resolves;
} else if (trial->group() == max_750ms_prefetch) {
max_queueing_delay_ms =
(750 * chrome_browser_net::Predictor::kTypicalSpeculativeGroupSize) /
max_parallel_resolves;
} else if (trial->group() == max_2s_prefetch) {
max_queueing_delay_ms =
(2000 * chrome_browser_net::Predictor::kTypicalSpeculativeGroupSize) /
max_parallel_resolves;
}
chrome_browser_net::Predictor::set_max_queueing_delay(
max_queueing_delay_ms);
}
}
void ChromeBrowserMainParts::DefaultAppsFieldTrial() {
std::string brand;
google_util::GetBrand(&brand);
// Create a 100% field trial based on the brand code.
if (LowerCaseEqualsASCII(brand, "ecdb")) {
base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrial_Name,
kDefaultAppsTrial_NoAppsGroup);
} else if (LowerCaseEqualsASCII(brand, "ecda")) {
base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrial_Name,
kDefaultAppsTrial_WithAppsGroup);
}
}
// ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
// Initializes the metrics service with the configuration for this process,
// returning the created service (guaranteed non-NULL).
MetricsService* ChromeBrowserMainParts::InitializeMetrics(
const CommandLine& parsed_command_line,
const PrefService* local_state) {
#if defined(OS_WIN)
if (parsed_command_line.HasSwitch(switches::kChromeFrame))
MetricsLog::set_version_extension("-F");
#elif defined(ARCH_CPU_64_BITS)
MetricsLog::set_version_extension("-64");
#endif // defined(OS_WIN)
MetricsService* metrics = g_browser_process->metrics_service();
if (parsed_command_line.HasSwitch(switches::kMetricsRecordingOnly) ||
parsed_command_line.HasSwitch(switches::kEnableBenchmarking)) {
// If we're testing then we don't care what the user preference is, we turn
// on recording, but not reporting, otherwise tests fail.
metrics->StartRecordingOnly();
return metrics;
}
// If the user permits metrics reporting with the checkbox in the
// prefs, we turn on recording. We disable metrics completely for
// non-official builds.
#if defined(GOOGLE_CHROME_BUILD)
#if defined(OS_CHROMEOS)
bool enabled = chromeos::UserCrosSettingsProvider::cached_reporting_enabled();
#else
bool enabled = local_state->GetBoolean(prefs::kMetricsReportingEnabled);
#endif // #if defined(OS_CHROMEOS)
if (enabled) {
metrics->Start();
}
#endif // defined(GOOGLE_CHROME_BUILD)
return metrics;
}
void ChromeBrowserMainParts::SetupFieldTrials(bool metrics_recording_enabled,
bool proxy_policy_is_set) {
// Note: make sure to call ConnectionFieldTrial() before
// ProxyConnectionsFieldTrial().
ConnectionFieldTrial();
SocketTimeoutFieldTrial();
// If a policy is defining the number of active connections this field test
// shoud not be performed.
if (!proxy_policy_is_set)
ProxyConnectionsFieldTrial();
prerender::ConfigurePrefetchAndPrerender(parsed_command_line());
InstantFieldTrial::Activate();
SpdyFieldTrial();
ConnectBackupJobsFieldTrial();
WarmConnectionFieldTrial();
PredictorFieldTrial();
DefaultAppsFieldTrial();
}
// -----------------------------------------------------------------------------
// TODO(viettrungluu): move more/rest of BrowserMain() into BrowserMainParts.
#if defined(OS_CHROMEOS)
// Allows authenticator to be invoked without adding refcounting. The instances
// will delete themselves upon completion.
DISABLE_RUNNABLE_METHOD_REFCOUNT(StubLogin);
#endif
#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
void ChromeBrowserMainParts::PreMainMessageLoopRun() {
result_code_ = PreMainMessageLoopRunImpl();
}
int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
run_message_loop_ = false;
FilePath user_data_dir;
#if defined(OS_WIN)
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
#else
// Getting the user data dir can fail if the directory isn't
// creatable, for example; on Windows in code below we bring up a
// dialog prompting the user to pick a different directory.
// However, ProcessSingleton needs a real user_data_dir on Mac/Linux,
// so it's better to fail here than fail mysteriously elsewhere.
CHECK(PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
<< "Must be able to get user data directory!";
#endif
process_singleton_.reset(new ProcessSingleton(user_data_dir));
bool is_first_run = FirstRun::IsChromeFirstRun() ||
parsed_command_line().HasSwitch(switches::kFirstRun);
#if defined(USE_AURA)
// No first run on Aura. See crbug.com/99439.
is_first_run = false;
#endif
if (parsed_command_line().HasSwitch(switches::kImport) ||
parsed_command_line().HasSwitch(switches::kImportFromFile)) {
// We use different BrowserProcess when importing so no GoogleURLTracker is
// instantiated (as it makes a net::URLRequest and we don't have an IO
// thread, see bug #1292702).
browser_process_.reset(new FirstRunBrowserProcess(parsed_command_line()));
is_first_run = false;
} else {
browser_process_.reset(new BrowserProcessImpl(parsed_command_line()));
}
// This forces the TabCloseableStateWatcher to be created and, on chromeos,
// register for the notifications it needs to track the closeable state of
// tabs.
g_browser_process->tab_closeable_state_watcher();
PrefService* local_state = InitializeLocalState(parsed_command_line(),
is_first_run);
#if defined(USE_LINUX_BREAKPAD)
// Needs to be called after we have chrome::DIR_USER_DATA and
// g_browser_process.
g_browser_process->file_thread()->message_loop()->PostTask(FROM_HERE,
new GetLinuxDistroTask());
if (IsCrashReportingEnabled(local_state))
InitCrashReporter();
#endif
// If we're running tests (ui_task is non-null), then the ResourceBundle
// has already been initialized.
if (parameters().ui_task) {
g_browser_process->SetApplicationLocale("en-US");
} else {
// 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)
g_browser_process->SetApplicationLocale(l10n_util::GetLocaleOverride());
#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.
const std::string loaded_locale =
ResourceBundle::InitSharedInstance(locale);
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;
g_browser_process->SetApplicationLocale(loaded_locale);
FilePath resources_pack_path;
PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
ResourceBundle::AddDataPackToSharedInstance(resources_pack_path);
#endif // defined(OS_MACOSX)
}
#if defined(TOOLKIT_GTK)
g_set_application_name(l10n_util::GetStringUTF8(IDS_PRODUCT_NAME).c_str());
#endif
std::string try_chrome =
parsed_command_line().GetSwitchValueASCII(switches::kTryChromeAgain);
if (!try_chrome.empty()) {
#if defined(OS_WIN) && !defined(USE_AURA)
// Setup.exe has determined that we need to run a retention experiment
// and has lauched chrome to show the experiment UI.
if (process_singleton_->FoundOtherProcessWindow()) {
// It seems that we don't need to run the experiment since chrome
// in the same profile is already running.
VLOG(1) << "Retention experiment not required";
return TryChromeDialogView::NOT_NOW;
}
int try_chrome_int;
base::StringToInt(try_chrome, &try_chrome_int);
TryChromeDialogView::Result answer =
TryChromeDialogView::Show(try_chrome_int, 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;
#else
// We don't support retention experiments on Mac or Linux.
return content::RESULT_CODE_NORMAL_EXIT;
#endif // defined(OS_WIN)
}
#if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
// This needs to be called after the locale has been set.
RegisterTranslateableItems();
#endif
BrowserInit browser_init;
// On first run, we need to process the predictor preferences before the
// browser's profile_manager object is created, but after ResourceBundle
// is initialized.
master_prefs_.reset(new FirstRun::MasterPrefs);
bool first_run_ui_bypass = false; // True to skip first run UI.
if (is_first_run) {
first_run_ui_bypass =
!FirstRun::ProcessMasterPreferences(user_data_dir, master_prefs_.get());
AddFirstRunNewTabs(&browser_init, master_prefs_->new_tabs);
// If we are running in App mode, we do not want to show the importer
// (first run) UI.
if (!first_run_ui_bypass &&
(parsed_command_line().HasSwitch(switches::kApp) ||
parsed_command_line().HasSwitch(switches::kAppId) ||
parsed_command_line().HasSwitch(switches::kNoFirstRun)))
first_run_ui_bypass = true;
}
// TODO(viettrungluu): why don't we run this earlier?
if (!parsed_command_line().HasSwitch(switches::kNoErrorDialogs))
WarnAboutMinimumSystemRequirements();
// Enable print preview once for supported platforms.
#if defined(GOOGLE_CHROME_BUILD)
local_state->RegisterBooleanPref(prefs::kPrintingPrintPreviewEnabledOnce,
false,
PrefService::UNSYNCABLE_PREF);
if (!local_state->GetBoolean(prefs::kPrintingPrintPreviewEnabledOnce)) {
local_state->SetBoolean(prefs::kPrintingPrintPreviewEnabledOnce, true);
about_flags::SetExperimentEnabled(local_state, "print-preview", true);
}
#endif
#if defined(TOUCH_UI)
// Always add the --views-desktop flag, if not already set.
// If the user disabled the flag from about:flags, it will get unset by the
// call to ConvertFlagsToSwitches in the following line.
if (!parsed_command_line().HasSwitch(switches::kViewsDesktop))
CommandLine::ForCurrentProcess()->AppendSwitchASCII(switches::kViewsDesktop,
"other");
#elif defined(USE_AURA) && defined(OS_LINUX)
// Always add the --views-desktop flag, if not already set.
if (!parsed_command_line().HasSwitch(switches::kViewsDesktop))
CommandLine::ForCurrentProcess()->AppendSwitch(switches::kViewsDesktop);
#endif
#if defined(USE_AURA) && defined(OS_CHROMEOS)
if (chromeos::system::runtime_environment::IsRunningOnChromeOS())
aura::Desktop::set_use_fullscreen_host_window(true);
#endif
// Always add the --block-reading-third-party-cookies flag, if not already
// set. We'll leave this on for a bit to determine if we Break The Web for
// Canary users.
//
// TODO(mkwst): Remove this once impact is clear (http://crbug.com/98241).
if (!parsed_command_line().HasSwitch(
switches::kBlockReadingThirdPartyCookies))
CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kBlockReadingThirdPartyCookies);
// Convert active labs into switches. Modifies the current command line.
about_flags::ConvertFlagsToSwitches(local_state,
CommandLine::ForCurrentProcess());
// Reset the command line in the crash report details, since we may have
// just changed it to include experiments.
child_process_logging::SetCommandLine(CommandLine::ForCurrentProcess());
InitializeNetworkOptions(parsed_command_line());
InitializeURLRequestThrottlerManager(browser_process_->net_log());
// Initialize histogram synchronizer system. This is a singleton and is used
// for posting tasks via NewRunnableMethod. Its deleted when it goes out of
// scope. Even though NewRunnableMethod does AddRef and Release, the object
// will not be deleted after the Task is executed.
histogram_synchronizer_ = new HistogramSynchronizer();
// Now the command line has been mutated based on about:flags, we can
// set up metrics and initialize field trials.
MetricsService* metrics = SetupMetricsAndFieldTrials(local_state);
#if defined(USE_WEBKIT_COMPOSITOR)
// We need to ensure WebKit has been initialized before we start the WebKit
// compositor. This is done by the ResourceDispatcherHost on creation.
g_browser_process->resource_dispatcher_host();
#endif
#if defined(USE_AURA)
// Shell takes ownership of ChromeShellDelegate.
aura_shell::Shell::GetInstance()->SetDelegate(new ChromeShellDelegate);
#elif defined(TOOLKIT_VIEWS)
views::Widget::SetPureViews(
CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePureViews));
// Launch the views desktop shell window and register it as the default parent
// for all unparented views widgets.
if (parsed_command_line().HasSwitch(switches::kViewsDesktop)) {
std::string desktop_type_cmd =
parsed_command_line().GetSwitchValueASCII(switches::kViewsDesktop);
if (desktop_type_cmd != "disabled") {
views::desktop::DesktopWindowView::DesktopType desktop_type;
if (desktop_type_cmd == "netbook")
desktop_type = views::desktop::DesktopWindowView::DESKTOP_NETBOOK;
else if (desktop_type_cmd == "other")
desktop_type = views::desktop::DesktopWindowView::DESKTOP_OTHER;
else
desktop_type = views::desktop::DesktopWindowView::DESKTOP_DEFAULT;
views::desktop::DesktopWindowView::CreateDesktopWindow(desktop_type);
ChromeViewsDelegate* chrome_views_delegate = static_cast
<ChromeViewsDelegate*>(views::ViewsDelegate::views_delegate);
chrome_views_delegate->default_parent_view =
views::desktop::DesktopWindowView::desktop_window_view;
}
}
#endif
// Now that all preferences have been registered, set the install date
// for the uninstall metrics if this is our first run. This only actually
// gets used if the user has metrics reporting enabled at uninstall time.
int64 install_date =
local_state->GetInt64(prefs::kUninstallMetricsInstallDate);
if (install_date == 0) {
local_state->SetInt64(prefs::kUninstallMetricsInstallDate,
base::Time::Now().ToTimeT());
}
#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
CreateChildThreads(browser_process_.get());
#if defined(OS_CHROMEOS)
// Now that the file thread exists we can record our stats.
chromeos::BootTimesLoader::Get()->RecordChromeMainStats();
#if defined(TOOLKIT_USES_GTK)
// Read locale-specific GTK resource information.
std::string gtkrc = l10n_util::GetStringUTF8(IDS_LOCALE_GTKRC);
if (!gtkrc.empty())
gtk_rc_parse_string(gtkrc.c_str());
#else
// TODO(saintlou): Need to provide an Aura equivalent.
NOTIMPLEMENTED();
#endif
// Trigger prefetching of ownership status.
chromeos::OwnershipService::GetSharedInstance()->Prewarm();
#endif
// 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_);
}
#endif
if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
return ShellIntegration::SetAsDefaultBrowser() ?
static_cast<int>(content::RESULT_CODE_NORMAL_EXIT) :
static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED);
}
// If the command line specifies --pack-extension, attempt the pack extension
// startup action and exit.
if (parsed_command_line().HasSwitch(switches::kPackExtension)) {
ExtensionsStartupUtil extension_startup_util;
if (extension_startup_util.PackExtension(parsed_command_line()))
return content::RESULT_CODE_NORMAL_EXIT;
return chrome::RESULT_CODE_PACK_EXTENSION_ERROR;
}
#if !defined(OS_MACOSX)
// In environments other than Mac OS X we support import of settings
// from other browsers. In case this process is a short-lived "import"
// process that another browser runs just to import the settings, we
// don't want to be checking for another browser process, by design.
if (!(parsed_command_line().HasSwitch(switches::kImport) ||
parsed_command_line().HasSwitch(switches::kImportFromFile))) {
#endif
// 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)
printf("%s\n", base::SysWideToNativeMB(UTF16ToWide(
l10n_util::GetStringUTF16(IDS_USED_EXISTING_BROWSER))).c_str());
#endif
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();
}
#if !defined(OS_MACOSX) // closing brace for if
}
#endif
#if defined(USE_X11)
SetBrowserX11ErrorHandlers();
#endif
// Profile creation ----------------------------------------------------------
#if defined(OS_CHROMEOS)
// Initialize the screen locker now so that it can receive
// LOGIN_USER_CHANGED notification from UserManager.
chromeos::ScreenLocker::InitClass();
// This forces the ProfileManager to be created and register for the
// notification it needs to track the logged in user.
g_browser_process->profile_manager();
// TODO(abarth): Should this move to InitializeNetworkOptions()?
// Allow access to file:// on ChromeOS for tests.
if (parsed_command_line().HasSwitch(switches::kAllowFileAccess))
net::URLRequest::AllowFileAccess();
// There are two use cases for kLoginUser:
// 1) if passed in tandem with kLoginPassword, to drive a "StubLogin"
// 2) if passed alone, to signal that the indicated user has already
// logged in and we should behave accordingly.
// This handles case 2.
if (parsed_command_line().HasSwitch(switches::kLoginUser) &&
!parsed_command_line().HasSwitch(switches::kLoginPassword)) {
std::string username =
parsed_command_line().GetSwitchValueASCII(switches::kLoginUser);
VLOG(1) << "Relaunching browser for user: " << username;
chromeos::UserManager::Get()->UserLoggedIn(username);
// Redirects Chrome logging to the user data dir.
logging::RedirectChromeLogging(parsed_command_line());
// Initialize user policy before creating the profile so the profile
// initialization code sees policy settings.
g_browser_process->browser_policy_connector()->InitializeUserPolicy(
username);
}
#endif
if (is_first_run) {
// Warn the ProfileManager that an import process will run, possibly
// locking the WebDataService directory of the next Profile created.
g_browser_process->profile_manager()->SetWillImport();
}
profile_ = CreateProfile(parameters(), user_data_dir, parsed_command_line());
if (!profile_)
return content::RESULT_CODE_NORMAL_EXIT;
// Autoload any profiles which are running background apps.
// TODO(rlp): Do this on a separate thread. See http://crbug.com/99075.
if (!BackgroundModeManager::IsBackgroundModePermanentlyDisabled(
&parsed_command_line())) {
g_browser_process->profile_manager()->AutoloadProfiles();
}
// Post-profile init ---------------------------------------------------------
#if defined(OS_CHROMEOS)
// Pass the TokenService pointer to the policy connector so user policy can
// grab a token and register with the policy server.
// TODO(mnissler): Remove once OAuth is the only authentication mechanism.
if (parsed_command_line().HasSwitch(switches::kLoginUser) &&
!parsed_command_line().HasSwitch(switches::kLoginPassword)) {
g_browser_process->browser_policy_connector()->SetUserPolicyTokenService(
profile_->GetTokenService());
}
#endif
PrefService* user_prefs = profile_->GetPrefs();
DCHECK(user_prefs);
// Tests should be able to tune login manager before showing it.
// Thus only show login manager in normal (non-testing) mode.
if (!parameters().ui_task)
OptionallyRunChromeOSLoginManager(parsed_command_line(), profile_);
#if !defined(OS_MACOSX)
// Importing other browser settings is done in a browser-like process
// that exits when this task has finished.
// TODO(port): Port the Mac's IPC-based implementation to other platforms to
// replace this implementation. http://crbug.com/22142
if (parsed_command_line().HasSwitch(switches::kImport) ||
parsed_command_line().HasSwitch(switches::kImportFromFile)) {
return FirstRun::ImportNow(profile_, parsed_command_line());
}
#endif
#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 should only happen here, after all the checks above
// (uninstall, resource bundle initialization, other chrome browser
// processes etc).
// Do not allow this to occur for Chrome Frame user-to-system handoffs.
if (!parsed_command_line().HasSwitch(switches::kChromeFrame) &&
ChromeBrowserMainPartsWin::CheckMachineLevelInstall()) {
return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS;
}
#endif
// Create the TranslateManager singleton.
translate_manager_ = TranslateManager::GetInstance();
DCHECK(translate_manager_ != NULL);
#if defined(OS_MACOSX)
if (!parsed_command_line().HasSwitch(switches::kNoFirstRun)) {
// Disk image installation is sort of a first-run task, so it shares the
// kNoFirstRun switch.
if (MaybeInstallFromDiskImage()) {
// The application was installed and the installed copy has been
// launched. This process is now obsolete. Exit.
return content::RESULT_CODE_NORMAL_EXIT;
}
}
#endif
// 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 (is_first_run) {
if (!first_run_ui_bypass) {
FirstRun::AutoImport(profile_,
master_prefs_->homepage_defined,
master_prefs_->do_import_items,
master_prefs_->dont_import_items,
master_prefs_->run_search_engine_experiment,
master_prefs_->randomize_search_engine_experiment,
master_prefs_->make_chrome_default,
process_singleton_.get());
#if defined(OS_POSIX)
// On Windows, the download is tagged with enable/disable stats so there
// is no need for this code.
// If stats reporting was turned on by the first run dialog then toggle
// the pref.
if (GoogleUpdateSettings::GetCollectStatsConsent())
local_state->SetBoolean(prefs::kMetricsReportingEnabled, true);
#endif // OS_POSIX
} // if (!first_run_ui_bypass)
Browser::SetNewHomePagePrefs(user_prefs);
g_browser_process->profile_manager()->OnImportFinished(profile_);
} // if (is_first_run)
#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());
}
#if defined(GOOGLE_CHROME_BUILD)
// 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.
bool google_search_default = false;
TemplateURLService* template_url_service =
TemplateURLServiceFactory::GetForProfile(profile_);
if (template_url_service) {
const TemplateURL* url_template =
template_url_service->GetDefaultSearchProvider();
if (url_template) {
const TemplateURLRef* urlref = url_template->url();
if (urlref) {
google_search_default = urlref->HasGoogleBaseURLs();
}
}
}
bool google_search_homepage = false;
PrefService* pref_service = profile_->GetPrefs();
if (pref_service) {
std::string homepage = pref_service->GetString(prefs::kHomePage);
google_search_homepage =
homepage == GoogleURLTracker::kDefaultGoogleHomepage;
}
RLZTracker::InitRlzDelayed(is_first_run, master_prefs_->ping_delay,
google_search_default, google_search_homepage);
// Prime the RLZ cache for the home page access point so that its avaiable
// for the startup page if needed (i.e., when the startup page is set to
// the home page).
RLZTracker::GetAccessPointRlz(rlz_lib::CHROME_HOME_PAGE, NULL);
#endif // GOOGLE_CHROME_BUILD
#endif // OS_WIN
// Start watching for hangs during startup. We disarm this hang detector when
// ThreadWatcher takes over or when browser is shutdown.
StartupTimeBomb::Arm(base::TimeDelta::FromSeconds(300));
// Configure modules that need access to resources.
net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
// In unittest mode, this will do nothing. In normal mode, this will create
// the global GoogleURLTracker and IntranetRedirectDetector instances, which
// will promptly go to sleep for five and seven seconds, respectively (to
// avoid slowing startup), and wake up afterwards to see if they 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 these objects check
// that when asked to initialize themselves, but this doesn't seem to exist.
//
// These can't be created in the BrowserProcessImpl constructor because they
// need to read prefs that get set after that runs.
browser_process_->google_url_tracker();
browser_process_->intranet_redirect_detector();
// Disable SDCH filtering if switches::kEnableSdch is 0.
int sdch_enabled = 1;
if (parsed_command_line().HasSwitch(switches::kEnableSdch)) {
base::StringToInt(parsed_command_line().GetSwitchValueASCII(
switches::kEnableSdch), &sdch_enabled);
if (!sdch_enabled)
net::SdchManager::EnableSdchSupport(false);
}
if (sdch_enabled) {
// Perform A/B test to measure global impact of SDCH support.
// Set up a field trial to see what disabling SDCH does to latency of page
// layout globally.
base::FieldTrial::Probability kSDCH_DIVISOR = 1000;
base::FieldTrial::Probability kSDCH_DISABLE_PROBABILITY = 1; // 0.1% prob.
// After March 31, 2012 builds, it will always be in default group.
scoped_refptr<base::FieldTrial> sdch_trial(
new base::FieldTrial("GlobalSdch", kSDCH_DIVISOR, "global_enable_sdch",
2012, 3, 31));
int sdch_enabled_group = sdch_trial->kDefaultGroupNumber;
sdch_trial->AppendGroup("global_disable_sdch",
kSDCH_DISABLE_PROBABILITY);
if (sdch_enabled_group != sdch_trial->group())
net::SdchManager::EnableSdchSupport(false);
}
InstallJankometer(parsed_command_line());
#if defined(OS_WIN) && !defined(GOOGLE_CHROME_BUILD)
if (parsed_command_line().HasSwitch(switches::kDebugPrint)) {
FilePath path =
parsed_command_line().GetSwitchValuePath(switches::kDebugPrint);
printing::PrintedDocument::set_debug_dump_path(path);
}
#endif
#if defined(TOUCH_UI)
ui::TouchFactory::GetInstance()->set_keep_mouse_cursor(
CommandLine::ForCurrentProcess()->HasSwitch(switches::kKeepMouseCursor));
#endif
HandleTestParameters(parsed_command_line());
RecordBreakpadStatusUMA(metrics);
about_flags::RecordUMAStatistics(local_state);
LanguageUsageMetrics::RecordAcceptLanguages(
profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
LanguageUsageMetrics::RecordApplicationLanguage(
g_browser_process->GetApplicationLocale());
#if defined(OS_WIN)
fragmentation_checker::RecordFragmentationMetricForCurrentModule();
#endif
#if defined(OS_CHROMEOS)
metrics->StartExternalMetrics();
// Initialize the audio handler on ChromeOS.
chromeos::AudioHandler::Initialize();
// Listen for system key events so that the user will be able to adjust the
// volume on the login screen, if Chrome is running on Chrome OS
// (i.e. not Linux desktop), and in non-test mode.
if (chromeos::system::runtime_environment::IsRunningOnChromeOS() &&
!parameters().ui_task) { // ui_task is non-NULL when running tests.
chromeos::SystemKeyEventListener::Initialize();
}
// Listen for XI_HierarchyChanged events.
chromeos::XInputHierarchyChangedEventListener::GetInstance();
#endif
// The extension service may be available at this point. If the command line
// specifies --uninstall-extension, attempt the uninstall extension startup
// action.
if (parsed_command_line().HasSwitch(switches::kUninstallExtension)) {
ExtensionsStartupUtil ext_startup_util;
if (ext_startup_util.UninstallExtension(parsed_command_line(), profile_))
return content::RESULT_CODE_NORMAL_EXIT;
return chrome::RESULT_CODE_UNINSTALL_EXTENSION_ERROR;
}
// Start watching for a hang.
MetricsService::LogNeedForCleanShutdown();
#if defined(OS_WIN)
// We check this here because if the profile is OTR (chromeos possibility)
// it won't still be accessible after browser is destroyed.
record_search_engine_ = is_first_run && !profile_->IsOffTheRecord();
#endif
// ChildProcess:: is a misnomer unless you consider context. Use
// of --wait-for-debugger only makes sense when Chrome itself is a
// child process (e.g. when launched by PyAuto).
if (parsed_command_line().HasSwitch(switches::kWaitForDebugger)) {
ChildProcess::WaitForDebugger("Browser");
}
#if defined(OS_CHROMEOS)
// Wait until here to start the out-of-memory priority manager so that
// we give the most amount of time for the other services to start up
// before we start adjusting the oom priority.
g_browser_process->oom_priority_manager()->Start();
#endif
// 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
// ProfileKeyedServiceFactory::ServiceIsCreatedWithProfile() instead?
CloudPrintProxyServiceFactory::GetForProfile(profile_);
// Initialize GpuDataManager and collect preliminary gpu info on FILE thread.
// Upon completion, it posts GpuBlacklist auto update task on UI thread.
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&GpuBlacklistUpdater::SetupOnFileThread));
// Start watching all browser threads for responsiveness.
ThreadWatcherList::StartWatchingAll(parsed_command_line());
int result_code = content::RESULT_CODE_NORMAL_EXIT;
base::mac::ScopedNSAutoreleasePool* pool = parameters().autorelease_pool_;
if (parameters().ui_task) {
// We are in test mode. Run one task and enter the main message loop.
if (pool)
pool->Recycle();
parameters().ui_task->Run();
delete parameters().ui_task;
} 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.
if (browser_init.Start(parsed_command_line(), FilePath(), profile_,
&result_code)) {
#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.
g_browser_process->StartAutoupdateTimer();
#endif
#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
// Record now as the last successful chrome start.
GoogleUpdateSettings::SetLastRunTime();
// 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 (pool)
pool->Recycle();
RecordPreReadExperimentTime("Startup.BrowserOpenTabs",
base::TimeTicks::Now() - browser_open_start);
// TODO(mad): Move this call in a proper place on CrOS.
// http://crosbug.com/17687
#if !defined(OS_CHROMEOS)
// If we're running tests (ui_task is non-null), then we don't want to
// call FetchLanguageListFromTranslateServer
if (parameters().ui_task == NULL && translate_manager_ != NULL) {
// TODO(willchan): Get rid of this after TranslateManager doesn't use
// the default request context. http://crbug.com/89396.
// This is necessary to force |default_request_context_| to be
// initialized.
profile_->GetRequestContext();
translate_manager_->FetchLanguageListFromTranslateServer(user_prefs);
}
#endif
run_message_loop_ = true;
}
}
return result_code;
}
bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
// Set the result code set in PreMainMessageLoopRun.
*result_code = result_code_;
if (!run_message_loop_)
return true; // Don't run the default message loop.
// This 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();
#if defined(USE_AURA)
aura::Desktop::GetInstance()->Run();
#elif defined(TOOLKIT_VIEWS)
views::AcceleratorHandler accelerator_handler;
MessageLoopForUI::current()->RunWithDispatcher(&accelerator_handler);
#elif defined(USE_X11)
MessageLoopForUI::current()->RunWithDispatcher(NULL);
#elif defined(OS_POSIX)
MessageLoopForUI::current()->Run();
#endif
#if defined(OS_CHROMEOS)
chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded",
true);
#endif
return true;
}
void ChromeBrowserMainParts::PostMainMessageLoopRun() {
// Start watching for jank during shutdown. It gets disarmed when
// |shutdown_watcher_| object is destructed.
shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(90));
// Disarm the startup hang detector time bomb if it is still Arm'ed.
StartupTimeBomb::Disarm();
#if defined(OS_WIN)
// If it's the first run, log the search engine chosen. We wait until
// shutdown because otherwise we can't be sure the user has finished
// selecting a search engine through the dialog reached from the first run
// bubble link.
if (record_search_engine_) {
TemplateURLService* url_service =
TemplateURLServiceFactory::GetForProfile(profile_);
const TemplateURL* default_search_engine =
url_service->GetDefaultSearchProvider();
// The default engine can be NULL if the administrator has disabled
// default search.
SearchEngineType search_engine_type =
default_search_engine ? default_search_engine->search_engine_type() :
SEARCH_ENGINE_OTHER;
// Record the search engine chosen.
if (master_prefs_->run_search_engine_experiment) {
UMA_HISTOGRAM_ENUMERATION(
"Chrome.SearchSelectExperiment",
search_engine_type,
SEARCH_ENGINE_MAX);
// If the selection has been randomized, also record the winner by slot.
if (master_prefs_->randomize_search_engine_experiment) {
size_t engine_pos = url_service->GetSearchEngineDialogSlot();
if (engine_pos < 4) {
std::string experiment_type = "Chrome.SearchSelectExperimentSlot";
// Nicer in UMA if slots are 1-based.
experiment_type.push_back('1' + engine_pos);
UMA_HISTOGRAM_ENUMERATION(
experiment_type,
search_engine_type,
SEARCH_ENGINE_MAX);
} else {
NOTREACHED() << "Invalid search engine selection slot.";
}
}
} else {
UMA_HISTOGRAM_ENUMERATION(
"Chrome.SearchSelectExempt",
search_engine_type,
SEARCH_ENGINE_MAX);
}
}
#endif
#if defined(OS_CHROMEOS)
g_browser_process->oom_priority_manager()->Stop();
#endif
// 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.
if (parameters().ui_task == NULL && translate_manager_ != NULL)
translate_manager_->CleanupPendingUlrFetcher();
if (notify_result_ == ProcessSingleton::PROCESS_NONE)
process_singleton_->Cleanup();
// Stop all tasks that might run on WatchDogThread.
ThreadWatcherList::StopWatchingAll();
g_browser_process->metrics_service()->Stop();
#if defined(OS_CHROMEOS)
// The XInput2 event listener needs to be shut down earlier than when
// Singletons are finally destroyed in AtExitManager.
chromeos::XInputHierarchyChangedEventListener::GetInstance()->Stop();
// chromeos::SystemKeyEventListener::Shutdown() is always safe to call,
// even if Initialize() wasn't called.
chromeos::SystemKeyEventListener::Shutdown();
chromeos::AudioHandler::Shutdown();
#endif
// browser_shutdown takes care of deleting browser_process, so we need to
// release it.
ignore_result(browser_process_.release());
browser_shutdown::Shutdown();
master_prefs_.reset();
process_singleton_.reset();
// 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(MetricsService::UmaMetricsProperlyShutdown());
}
void ChromeBrowserMainParts::ToolkitInitialized() {
#if defined(TOOLKIT_VIEWS)
// The delegate needs to be set before any UI is created so that windows
// display the correct icon.
if (!views::ViewsDelegate::views_delegate)
views::ViewsDelegate::views_delegate = new ChromeViewsDelegate;
// TODO(beng): Move to WidgetImpl and implement on Windows too!
if (parameters().command_line_.HasSwitch(switches::kDebugViewsPaint))
views::Widget::SetDebugPaintEnabled(true);
#endif
#if defined(OS_WIN)
gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
#endif
}
// This code is specific to the Windows-only PreReadExperiment field-trial.
void RecordPreReadExperimentTime(const char* name, base::TimeDelta time) {
DCHECK(name != NULL);
// This gets called with different histogram names, so we don't want to use
// the UMA_HISTOGRAM_CUSTOM_TIMES macro--it uses a static variable, and the
// first call wins.
AddPreReadHistogramTime(name, time);
#if defined(OS_WIN)
#if defined(GOOGLE_CHROME_BUILD)
// The pre-read experiment is Windows and Google Chrome specific.
scoped_ptr<base::Environment> env(base::Environment::Create());
// Only record the sub-histogram result if the experiment is running
// (environment variable is set, and valid).
std::string pre_read;
if (env->GetVar(chrome::kPreReadEnvironmentVariable, &pre_read) &&
(pre_read == "0" || pre_read == "1")) {
std::string uma_name(name);
uma_name += "_PreRead";
uma_name += pre_read == "1" ? "Enabled" : "Disabled";
AddPreReadHistogramTime(uma_name.c_str(), time);
}
#endif
#endif
}