blob: a7b5b1323b0ef4fa534633ba5f3f5b76b94e65b0 [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/browser_process_impl.h"
#include <stddef.h>
#include <algorithm>
#include <map>
#include <utility>
#include <vector>
#include "base/atomic_ref_count.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/debug/leak_annotations.h"
#include "base/files/file_path.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/metrics/histogram_macros.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/synchronization/waitable_event.h"
#include "base/task_scheduler/post_task.h"
#include "base/task_scheduler/task_traits.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/default_clock.h"
#include "base/time/default_tick_clock.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "chrome/browser/chrome_browser_main.h"
#include "chrome/browser/chrome_child_process_watcher.h"
#include "chrome/browser/chrome_content_browser_client.h"
#include "chrome/browser/chrome_device_client.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/component_updater/chrome_component_updater_configurator.h"
#include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/devtools/devtools_auto_opener.h"
#include "chrome/browser/devtools/remote_debugging_server.h"
#include "chrome/browser/download/download_request_limiter.h"
#include "chrome/browser/download/download_status_updater.h"
#include "chrome/browser/gpu/gpu_mode_manager.h"
#include "chrome/browser/icon_manager.h"
#include "chrome/browser/intranet_redirect_detector.h"
#include "chrome/browser/io_thread.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/lifetime/switch_utils.h"
#include "chrome/browser/loader/chrome_resource_dispatcher_host_delegate.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/metrics/chrome_metrics_services_manager_client.h"
#include "chrome/browser/metrics/thread_watcher.h"
#include "chrome/browser/net/chrome_net_log_helper.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/notifications/notification_platform_bridge.h"
#include "chrome/browser/notifications/notification_ui_manager.h"
#include "chrome/browser/plugins/chrome_plugin_service_filter.h"
#include "chrome/browser/plugins/plugin_finder.h"
#include "chrome/browser/policy/chrome_browser_policy_connector.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/browser/prefs/chrome_pref_service_factory.h"
#include "chrome/browser/printing/background_printing_manager.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/status_icons/status_tray.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/update_client/chrome_update_query_params_delegate.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_switches.h"
#include "chrome/common/extensions/chrome_extensions_client.h"
#include "chrome/common/features.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/component_updater/component_updater_service.h"
#include "components/crash/core/common/crash_key.h"
#include "components/gcm_driver/gcm_driver.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/net_log/chrome_net_log.h"
#include "components/network_time/network_time_tracker.h"
#include "components/optimization_guide/optimization_guide_service.h"
#include "components/physical_web/data_source/physical_web_data_source.h"
#include "components/policy/core/common/policy_service.h"
#include "components/prefs/json_pref_store.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/previews/core/previews_features.h"
#include "components/rappor/public/rappor_utils.h"
#include "components/rappor/rappor_service_impl.h"
#include "components/signin/core/browser/profile_management_switches.h"
#include "components/subresource_filter/content/browser/content_ruleset_service.h"
#include "components/subresource_filter/core/browser/ruleset_service.h"
#include "components/subresource_filter/core/browser/subresource_filter_constants.h"
#include "components/subresource_filter/core/browser/subresource_filter_features.h"
#include "components/translate/core/browser/translate_download_manager.h"
#include "components/ukm/ukm_service.h"
#include "components/update_client/update_query_params.h"
#include "components/web_resource/web_resource_pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/service_worker_context.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/network_connection_tracker.h"
#include "extensions/common/constants.h"
#include "extensions/features/features.h"
#include "media/media_features.h"
#include "net/socket/client_socket_pool_manager.h"
#include "net/url_request/url_request_context_getter.h"
#include "ppapi/features/features.h"
#include "printing/features/features.h"
#include "services/preferences/public/cpp/in_process_service_factory.h"
#include "ui/base/idle/idle.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/message_center/message_center.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#elif defined(OS_MACOSX)
#include "chrome/browser/chrome_browser_main_mac.h"
#endif
#if !defined(OS_ANDROID)
#include "chrome/browser/gcm/gcm_product_util.h"
#include "chrome/browser/ui/user_manager.h"
#include "components/gcm_driver/gcm_client_factory.h"
#include "components/gcm_driver/gcm_desktop_utils.h"
#include "components/keep_alive_registry/keep_alive_registry.h"
#endif
#if BUILDFLAG(ENABLE_BACKGROUND_MODE)
#include "chrome/browser/background/background_mode_manager.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/chrome_extensions_browser_client.h"
#include "chrome/browser/extensions/event_router_forwarder.h"
#include "chrome/browser/media_galleries/media_file_system_registry.h"
#include "chrome/browser/ui/apps/chrome_app_window_client.h"
#include "components/storage_monitor/storage_monitor.h"
#include "extensions/common/extension_l10n_util.h"
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
#include "chrome/browser/plugins/plugins_resource_service.h"
#endif
#if BUILDFLAG(ENABLE_WEBRTC)
#include "chrome/browser/media/webrtc/webrtc_log_uploader.h"
#endif
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
#include "chrome/browser/resource_coordinator/tab_manager.h"
#endif
#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
#include "chrome/browser/first_run/upgrade_util.h"
#endif
#if defined(OS_ANDROID)
#include "chrome/browser/android/physical_web/physical_web_data_source_android.h"
#include "chrome/browser/gpu/gpu_driver_info_manager_android.h"
#endif
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
// How often to check if the persistent instance of Chrome needs to restart
// to install an update.
static const int kUpdateCheckIntervalHours = 6;
#endif
#if defined(USE_X11) || defined(OS_WIN) || defined(USE_OZONE)
// How long to wait for the File thread to complete during EndSession, on Linux
// and Windows. We have a timeout here because we're unable to run the UI
// messageloop and there's some deadlock risk. Our only option is to exit
// anyway.
static constexpr base::TimeDelta kEndSessionTimeout =
base::TimeDelta::FromSeconds(10);
#endif
using content::BrowserThread;
using content::ChildProcessSecurityPolicy;
using content::PluginService;
using content::ResourceDispatcherHost;
rappor::RapporService* GetBrowserRapporService() {
if (g_browser_process != nullptr)
return g_browser_process->rappor_service();
return nullptr;
}
BrowserProcessImpl::BrowserProcessImpl(
base::SequencedTaskRunner* local_state_task_runner)
: download_status_updater_(std::make_unique<DownloadStatusUpdater>()),
local_state_task_runner_(local_state_task_runner),
pref_service_factory_(
base::MakeUnique<prefs::InProcessPrefServiceFactory>()) {
g_browser_process = this;
rappor::SetDefaultServiceAccessor(&GetBrowserRapporService);
platform_part_ = base::MakeUnique<BrowserProcessPlatformPart>();
#if BUILDFLAG(ENABLE_PRINTING)
// Must be created after the NotificationService.
print_job_manager_ = base::MakeUnique<printing::PrintJobManager>();
#endif
net_log_ = base::MakeUnique<net_log::ChromeNetLog>();
ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
chrome::kChromeSearchScheme);
#if defined(OS_MACOSX)
ui::InitIdleMonitor();
#endif
device_client_ = base::MakeUnique<ChromeDeviceClient>();
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::AppWindowClient::Set(ChromeAppWindowClient::GetInstance());
extension_event_router_forwarder_ =
base::MakeRefCounted<extensions::EventRouterForwarder>();
extensions::ExtensionsClient::Set(
extensions::ChromeExtensionsClient::GetInstance());
extensions_browser_client_ =
base::MakeUnique<extensions::ChromeExtensionsBrowserClient>();
extensions::ExtensionsBrowserClient::Set(extensions_browser_client_.get());
#endif
message_center::MessageCenter::Initialize();
update_client::UpdateQueryParams::SetDelegate(
ChromeUpdateQueryParamsDelegate::GetInstance());
#if !defined(OS_ANDROID)
KeepAliveRegistry::GetInstance()->SetIsShuttingDown(false);
KeepAliveRegistry::GetInstance()->AddObserver(this);
#endif // !defined(OS_ANDROID)
}
BrowserProcessImpl::~BrowserProcessImpl() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::ExtensionsBrowserClient::Set(nullptr);
extensions::AppWindowClient::Set(nullptr);
#endif
#if !defined(OS_ANDROID)
KeepAliveRegistry::GetInstance()->RemoveObserver(this);
#endif // !defined(OS_ANDROID)
g_browser_process = NULL;
}
#if !defined(OS_ANDROID)
void BrowserProcessImpl::StartTearDown() {
TRACE_EVENT0("shutdown", "BrowserProcessImpl::StartTearDown");
// TODO(crbug.com/560486): Fix the tests that make the check of
// |tearing_down_| necessary in IsShuttingDown().
tearing_down_ = true;
DCHECK(IsShuttingDown());
#if !defined(OS_ANDROID)
KeepAliveRegistry::GetInstance()->SetIsShuttingDown();
#endif // !defined(OS_ANDROID)
// We need to destroy the MetricsServicesManager, IntranetRedirectDetector,
// NetworkTimeTracker, and SafeBrowsing ClientSideDetectionService
// (owned by the SafeBrowsingService) before the io_thread_ gets destroyed,
// since their destructors can call the URLFetcher destructor, which does a
// PostDelayedTask operation on the IO thread. (The IO thread will handle
// that URLFetcher operation before going away.)
metrics_services_manager_.reset();
intranet_redirect_detector_.reset();
if (safe_browsing_service_.get())
safe_browsing_service()->ShutDown();
network_time_tracker_.reset();
#if BUILDFLAG(ENABLE_PLUGINS)
plugins_resource_service_.reset();
#endif
// Need to clear the desktop notification balloons before the io_thread_ and
// before the profiles, since if there are any still showing we will access
// those things during teardown.
notification_ui_manager_.reset();
// The SupervisedUserWhitelistInstaller observes the ProfileAttributesStorage,
// so it needs to be shut down before the ProfileManager.
supervised_user_whitelist_installer_.reset();
// Debugger must be cleaned up before ProfileManager.
remote_debugging_server_.reset();
devtools_auto_opener_.reset();
// Need to clear profiles (download managers) before the io_thread_.
{
TRACE_EVENT0("shutdown",
"BrowserProcessImpl::StartTearDown:ProfileManager");
// The desktop User Manager needs to be closed before the guest profile
// can be destroyed.
UserManager::Hide();
profile_manager_.reset();
}
child_process_watcher_.reset();
#if BUILDFLAG(ENABLE_EXTENSIONS)
media_file_system_registry_.reset();
// Remove the global instance of the Storage Monitor now. Otherwise the
// FILE thread would be gone when we try to release it in the dtor and
// Valgrind would report a leak on almost every single browser_test.
// TODO(gbillock): Make this unnecessary.
storage_monitor::StorageMonitor::Destroy();
#endif
message_center::MessageCenter::Shutdown();
// The policy providers managed by |browser_policy_connector_| need to shut
// down while the IO and FILE threads are still alive. The monitoring
// framework owned by |browser_policy_connector_| relies on |gcm_driver_|, so
// this must be shutdown before |gcm_driver_| below.
if (browser_policy_connector_)
browser_policy_connector_->Shutdown();
// The |gcm_driver_| must shut down while the IO thread is still alive.
if (gcm_driver_)
gcm_driver_->Shutdown();
// Stop the watchdog thread before stopping other threads.
watchdog_thread_.reset();
platform_part()->StartTearDown();
#if BUILDFLAG(ENABLE_WEBRTC)
// Cancel any uploads to release the system url request context references.
if (webrtc_log_uploader_)
webrtc_log_uploader_->StartShutdown();
#endif
if (local_state_)
local_state_->CommitPendingWrite();
// This expects to be destroyed before the task scheduler is torn down.
system_network_context_manager_.reset();
}
void BrowserProcessImpl::PostDestroyThreads() {
// With the file_thread_ flushed, we can release any icon resources.
icon_manager_.reset();
#if BUILDFLAG(ENABLE_WEBRTC)
// Must outlive the file thread.
webrtc_log_uploader_.reset();
#endif
// Reset associated state right after actual thread is stopped,
// as io_thread_.global_ cleanup happens in CleanUp on the IO
// thread, i.e. as the thread exits its message loop.
//
// This is important also because in various places, the
// IOThread object being NULL is considered synonymous with the
// IO thread having stopped.
io_thread_.reset();
}
#endif // !defined(OS_ANDROID)
namespace {
// Used at the end of session to block the UI thread for completion of sentinel
// tasks on the set of threads used to persist profile data and local state.
// This is done to ensure that the data has been persisted to disk before
// continuing.
class RundownTaskCounter :
public base::RefCountedThreadSafe<RundownTaskCounter> {
public:
RundownTaskCounter();
// Posts a rundown task to |task_runner|, can be invoked an arbitrary number
// of times before calling TimedWait.
void Post(base::SequencedTaskRunner* task_runner);
// Waits until the count is zero or |end_time| is reached.
// This can only be called once per instance. Returns true if a count of zero
// is reached or false if the |end_time| is reached. It is valid to pass an
// |end_time| in the past.
bool TimedWaitUntil(const base::TimeTicks& end_time);
private:
friend class base::RefCountedThreadSafe<RundownTaskCounter>;
~RundownTaskCounter() {}
// Decrements the counter and releases the waitable event on transition to
// zero.
void Decrement();
// The count starts at one to defer the possibility of one->zero transitions
// until TimedWait is called.
base::AtomicRefCount count_;
base::WaitableEvent waitable_event_;
DISALLOW_COPY_AND_ASSIGN(RundownTaskCounter);
};
RundownTaskCounter::RundownTaskCounter()
: count_(1),
waitable_event_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED) {}
void RundownTaskCounter::Post(base::SequencedTaskRunner* task_runner) {
// As the count starts off at one, it should never get to zero unless
// TimedWait has been called.
DCHECK(!count_.IsZero());
count_.Increment();
// The task must be non-nestable to guarantee that it runs after all tasks
// currently scheduled on |task_runner| have completed.
task_runner->PostNonNestableTask(
FROM_HERE, base::BindOnce(&RundownTaskCounter::Decrement, this));
}
void RundownTaskCounter::Decrement() {
if (!count_.Decrement())
waitable_event_.Signal();
}
bool RundownTaskCounter::TimedWaitUntil(const base::TimeTicks& end_time) {
// Decrement the excess count from the constructor.
Decrement();
return waitable_event_.TimedWaitUntil(end_time);
}
} // namespace
void BrowserProcessImpl::FlushLocalStateAndReply(base::OnceClosure reply) {
if (local_state_)
local_state_->CommitPendingWrite();
local_state_task_runner_->PostTaskAndReply(
FROM_HERE, base::Bind(&base::DoNothing), std::move(reply));
}
void BrowserProcessImpl::EndSession() {
// Mark all the profiles as clean.
ProfileManager* pm = profile_manager();
std::vector<Profile*> profiles(pm->GetLoadedProfiles());
scoped_refptr<RundownTaskCounter> rundown_counter =
base::MakeRefCounted<RundownTaskCounter>();
for (size_t i = 0; i < profiles.size(); ++i) {
Profile* profile = profiles[i];
profile->SetExitType(Profile::EXIT_SESSION_ENDED);
if (profile->GetPrefs()) {
profile->GetPrefs()->CommitPendingWrite();
rundown_counter->Post(profile->GetIOTaskRunner().get());
}
}
// Tell the metrics service it was cleanly shutdown.
metrics::MetricsService* metrics = g_browser_process->metrics_service();
if (metrics && local_state_) {
metrics->RecordStartOfSessionEnd();
#if !defined(OS_CHROMEOS)
// MetricsService lazily writes to prefs, force it to write now.
// On ChromeOS, chrome gets killed when hangs, so no need to
// commit metrics::prefs::kStabilitySessionEndCompleted change immediately.
local_state_->CommitPendingWrite();
rundown_counter->Post(local_state_task_runner_.get());
#endif
}
// http://crbug.com/125207
base::ThreadRestrictions::ScopedAllowWait allow_wait;
// We must write that the profile and metrics service shutdown cleanly,
// otherwise on startup we'll think we crashed. So we block until done and
// then proceed with normal shutdown.
//
// If you change the condition here, be sure to also change
// ProfileBrowserTests to match.
#if defined(USE_X11) || defined(OS_WIN) || defined(USE_OZONE)
// Do a best-effort wait on the successful countdown of rundown tasks. Note
// that if we don't complete "quickly enough", Windows will terminate our
// process.
//
// On Windows, we previously posted a message to FILE and then ran a nested
// message loop, waiting for that message to be processed until quitting.
// However, doing so means that other messages will also be processed. In
// particular, if the GPU process host notices that the GPU has been killed
// during shutdown, it races exiting the nested loop with the process host
// blocking the message loop attempting to re-establish a connection to the
// GPU process synchronously. Because the system may not be allowing
// processes to launch, this can result in a hang. See
// http://crbug.com/318527.
const base::TimeTicks end_time = base::TimeTicks::Now() + kEndSessionTimeout;
rundown_counter->TimedWaitUntil(end_time);
#else
NOTIMPLEMENTED();
#endif
}
metrics_services_manager::MetricsServicesManager*
BrowserProcessImpl::GetMetricsServicesManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!metrics_services_manager_) {
auto client =
base::MakeUnique<ChromeMetricsServicesManagerClient>(local_state());
metrics_services_manager_ =
base::MakeUnique<metrics_services_manager::MetricsServicesManager>(
std::move(client));
}
return metrics_services_manager_.get();
}
metrics::MetricsService* BrowserProcessImpl::metrics_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return GetMetricsServicesManager()->GetMetricsService();
}
rappor::RapporServiceImpl* BrowserProcessImpl::rappor_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return GetMetricsServicesManager()->GetRapporServiceImpl();
}
IOThread* BrowserProcessImpl::io_thread() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(io_thread_.get());
return io_thread_.get();
}
SystemNetworkContextManager*
BrowserProcessImpl::system_network_context_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(system_network_context_manager_.get());
return system_network_context_manager_.get();
}
content::NetworkConnectionTracker*
BrowserProcessImpl::network_connection_tracker() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(io_thread_);
if (!network_connection_tracker_) {
network_connection_tracker_ =
std::make_unique<content::NetworkConnectionTracker>();
network_connection_tracker_->Initialize(content::GetNetworkService());
}
return network_connection_tracker_.get();
}
WatchDogThread* BrowserProcessImpl::watchdog_thread() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_watchdog_thread_)
CreateWatchdogThread();
DCHECK(watchdog_thread_.get() != NULL);
return watchdog_thread_.get();
}
ProfileManager* BrowserProcessImpl::profile_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_profile_manager_)
CreateProfileManager();
return profile_manager_.get();
}
PrefService* BrowserProcessImpl::local_state() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!local_state_)
CreateLocalState();
return local_state_.get();
}
net::URLRequestContextGetter* BrowserProcessImpl::system_request_context() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return io_thread()->system_url_request_context_getter();
}
variations::VariationsService* BrowserProcessImpl::variations_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return GetMetricsServicesManager()->GetVariationsService();
}
BrowserProcessPlatformPart* BrowserProcessImpl::platform_part() {
return platform_part_.get();
}
extensions::EventRouterForwarder*
BrowserProcessImpl::extension_event_router_forwarder() {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return extension_event_router_forwarder_.get();
#else
return NULL;
#endif
}
NotificationUIManager* BrowserProcessImpl::notification_ui_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// TODO(miguelg) return NULL for MAC as well once native notifications
// are enabled by default.
#if defined(OS_ANDROID)
return nullptr;
#else
if (!created_notification_ui_manager_)
CreateNotificationUIManager();
return notification_ui_manager_.get();
#endif
}
NotificationPlatformBridge* BrowserProcessImpl::notification_platform_bridge() {
#if BUILDFLAG(ENABLE_NATIVE_NOTIFICATIONS)
if (!created_notification_bridge_)
CreateNotificationPlatformBridge();
return notification_bridge_.get();
#else
return nullptr;
#endif
}
message_center::MessageCenter* BrowserProcessImpl::message_center() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return message_center::MessageCenter::Get();
}
policy::ChromeBrowserPolicyConnector*
BrowserProcessImpl::browser_policy_connector() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_browser_policy_connector_) {
DCHECK(!browser_policy_connector_);
browser_policy_connector_ = platform_part_->CreateBrowserPolicyConnector();
created_browser_policy_connector_ = true;
}
return browser_policy_connector_.get();
}
policy::PolicyService* BrowserProcessImpl::policy_service() {
return browser_policy_connector()->GetPolicyService();
}
IconManager* BrowserProcessImpl::icon_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_icon_manager_)
CreateIconManager();
return icon_manager_.get();
}
#if defined(OS_ANDROID)
GpuDriverInfoManager* BrowserProcessImpl::gpu_driver_info_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!gpu_driver_info_manager_)
gpu_driver_info_manager_ = GpuDriverInfoManager::Create();
return gpu_driver_info_manager_.get();
}
#endif
GpuModeManager* BrowserProcessImpl::gpu_mode_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!gpu_mode_manager_)
gpu_mode_manager_ = base::MakeUnique<GpuModeManager>();
return gpu_mode_manager_.get();
}
void BrowserProcessImpl::CreateDevToolsHttpProtocolHandler(
const std::string& ip,
uint16_t port) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if !defined(OS_ANDROID)
// StartupBrowserCreator::LaunchBrowser can be run multiple times when browser
// is started with several profiles or existing browser process is reused.
if (!remote_debugging_server_) {
remote_debugging_server_ =
base::MakeUnique<RemoteDebuggingServer>(ip, port);
}
#endif
}
void BrowserProcessImpl::CreateDevToolsAutoOpener() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if !defined(OS_ANDROID)
// StartupBrowserCreator::LaunchBrowser can be run multiple times when browser
// is started with several profiles or existing browser process is reused.
if (!devtools_auto_opener_)
devtools_auto_opener_ = base::MakeUnique<DevToolsAutoOpener>();
#endif
}
bool BrowserProcessImpl::IsShuttingDown() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// TODO(crbug.com/560486): Fix the tests that make the check of
// |tearing_down_| necessary here.
return shutting_down_ || tearing_down_;
}
printing::PrintJobManager* BrowserProcessImpl::print_job_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return print_job_manager_.get();
}
printing::PrintPreviewDialogController*
BrowserProcessImpl::print_preview_dialog_controller() {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!print_preview_dialog_controller_.get())
CreatePrintPreviewDialogController();
return print_preview_dialog_controller_.get();
#else
NOTIMPLEMENTED();
return NULL;
#endif
}
printing::BackgroundPrintingManager*
BrowserProcessImpl::background_printing_manager() {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!background_printing_manager_)
CreateBackgroundPrintingManager();
return background_printing_manager_.get();
#else
NOTIMPLEMENTED();
return NULL;
#endif
}
IntranetRedirectDetector* BrowserProcessImpl::intranet_redirect_detector() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!intranet_redirect_detector_)
CreateIntranetRedirectDetector();
return intranet_redirect_detector_.get();
}
const std::string& BrowserProcessImpl::GetApplicationLocale() {
DCHECK(!locale_.empty());
return locale_;
}
void BrowserProcessImpl::SetApplicationLocale(const std::string& locale) {
locale_ = locale;
#if BUILDFLAG(ENABLE_EXTENSIONS)
extension_l10n_util::SetProcessLocale(locale);
#endif
ChromeContentBrowserClient::SetApplicationLocale(locale);
translate::TranslateDownloadManager::GetInstance()->set_application_locale(
locale);
}
DownloadStatusUpdater* BrowserProcessImpl::download_status_updater() {
return download_status_updater_.get();
}
MediaFileSystemRegistry* BrowserProcessImpl::media_file_system_registry() {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!media_file_system_registry_)
media_file_system_registry_ = base::MakeUnique<MediaFileSystemRegistry>();
return media_file_system_registry_.get();
#else
return NULL;
#endif
}
#if BUILDFLAG(ENABLE_WEBRTC)
WebRtcLogUploader* BrowserProcessImpl::webrtc_log_uploader() {
if (!webrtc_log_uploader_)
webrtc_log_uploader_ = base::MakeUnique<WebRtcLogUploader>();
return webrtc_log_uploader_.get();
}
#endif
network_time::NetworkTimeTracker* BrowserProcessImpl::network_time_tracker() {
if (!network_time_tracker_) {
network_time_tracker_ = base::MakeUnique<network_time::NetworkTimeTracker>(
base::WrapUnique(new base::DefaultClock()),
base::WrapUnique(new base::DefaultTickClock()), local_state(),
system_request_context());
}
return network_time_tracker_.get();
}
gcm::GCMDriver* BrowserProcessImpl::gcm_driver() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!gcm_driver_)
CreateGCMDriver();
return gcm_driver_.get();
}
resource_coordinator::TabManager* BrowserProcessImpl::GetTabManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
if (!tab_manager_)
tab_manager_ = base::MakeUnique<resource_coordinator::TabManager>();
return tab_manager_.get();
#else
return nullptr;
#endif
}
shell_integration::DefaultWebClientState
BrowserProcessImpl::CachedDefaultWebClientState() {
return cached_default_web_client_state_;
}
physical_web::PhysicalWebDataSource*
BrowserProcessImpl::GetPhysicalWebDataSource() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if defined(OS_ANDROID)
if (!physical_web_data_source_) {
CreatePhysicalWebDataSource();
DCHECK(physical_web_data_source_);
}
return physical_web_data_source_.get();
#else
return nullptr;
#endif
}
prefs::InProcessPrefServiceFactory* BrowserProcessImpl::pref_service_factory()
const {
return pref_service_factory_.get();
}
// static
void BrowserProcessImpl::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterBooleanPref(prefs::kDefaultBrowserSettingEnabled,
false);
// This policy needs to be defined before the net subsystem is initialized,
// so we do it here.
registry->RegisterIntegerPref(prefs::kMaxConnectionsPerProxy,
net::kDefaultMaxSocketsPerProxyServer);
registry->RegisterBooleanPref(prefs::kAllowCrossOriginAuthPrompt, false);
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
registry->RegisterBooleanPref(prefs::kEulaAccepted, false);
#endif // defined(OS_CHROMEOS) || defined(OS_ANDROID)
// 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.
registry->RegisterStringPref(prefs::kApplicationLocale, std::string());
#if defined(OS_CHROMEOS)
registry->RegisterStringPref(prefs::kOwnerLocale, std::string());
registry->RegisterStringPref(prefs::kHardwareKeyboardLayout,
std::string());
#endif // defined(OS_CHROMEOS)
registry->RegisterBooleanPref(metrics::prefs::kMetricsReportingEnabled,
GoogleUpdateSettings::GetCollectStatsConsent());
#if defined(OS_ANDROID)
registry->RegisterBooleanPref(
prefs::kCrashReportingEnabled, false);
#endif // defined(OS_ANDROID)
}
DownloadRequestLimiter* BrowserProcessImpl::download_request_limiter() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!download_request_limiter_.get()) {
download_request_limiter_ = base::MakeRefCounted<DownloadRequestLimiter>();
}
return download_request_limiter_.get();
}
BackgroundModeManager* BrowserProcessImpl::background_mode_manager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
#if BUILDFLAG(ENABLE_BACKGROUND_MODE)
if (!background_mode_manager_)
CreateBackgroundModeManager();
return background_mode_manager_.get();
#else
NOTIMPLEMENTED();
return NULL;
#endif
}
void BrowserProcessImpl::set_background_mode_manager_for_test(
std::unique_ptr<BackgroundModeManager> manager) {
#if BUILDFLAG(ENABLE_BACKGROUND_MODE)
background_mode_manager_ = std::move(manager);
#endif
}
StatusTray* BrowserProcessImpl::status_tray() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!status_tray_)
CreateStatusTray();
return status_tray_.get();
}
safe_browsing::SafeBrowsingService*
BrowserProcessImpl::safe_browsing_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_safe_browsing_service_)
CreateSafeBrowsingService();
return safe_browsing_service_.get();
}
safe_browsing::ClientSideDetectionService*
BrowserProcessImpl::safe_browsing_detection_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (safe_browsing_service())
return safe_browsing_service()->safe_browsing_detection_service();
return NULL;
}
subresource_filter::ContentRulesetService*
BrowserProcessImpl::subresource_filter_ruleset_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_subresource_filter_ruleset_service_)
CreateSubresourceFilterRulesetService();
return subresource_filter_ruleset_service_.get();
}
optimization_guide::OptimizationGuideService*
BrowserProcessImpl::optimization_guide_service() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!created_optimization_guide_service_)
CreateOptimizationGuideService();
return optimization_guide_service_.get();
}
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
void BrowserProcessImpl::StartAutoupdateTimer() {
autoupdate_timer_.Start(FROM_HERE,
base::TimeDelta::FromHours(kUpdateCheckIntervalHours),
this,
&BrowserProcessImpl::OnAutoupdateTimer);
}
#endif
net_log::ChromeNetLog* BrowserProcessImpl::net_log() {
return net_log_.get();
}
component_updater::ComponentUpdateService*
BrowserProcessImpl::component_updater() {
if (component_updater_)
return component_updater_.get();
if (!BrowserThread::CurrentlyOn(BrowserThread::UI))
return nullptr;
component_updater_ = component_updater::ComponentUpdateServiceFactory(
component_updater::MakeChromeComponentUpdaterConfigurator(
base::CommandLine::ForCurrentProcess(),
io_thread()->system_url_request_context_getter(),
g_browser_process->local_state()));
return component_updater_.get();
}
component_updater::SupervisedUserWhitelistInstaller*
BrowserProcessImpl::supervised_user_whitelist_installer() {
if (!supervised_user_whitelist_installer_) {
supervised_user_whitelist_installer_ =
component_updater::SupervisedUserWhitelistInstaller::Create(
component_updater(),
&profile_manager()->GetProfileAttributesStorage(),
local_state());
}
return supervised_user_whitelist_installer_.get();
}
void BrowserProcessImpl::ResourceDispatcherHostCreated() {
resource_dispatcher_host_delegate_ =
base::MakeUnique<ChromeResourceDispatcherHostDelegate>();
ResourceDispatcherHost::Get()->SetDelegate(
resource_dispatcher_host_delegate_.get());
pref_change_registrar_.Add(
prefs::kAllowCrossOriginAuthPrompt,
base::Bind(&BrowserProcessImpl::ApplyAllowCrossOriginAuthPromptPolicy,
base::Unretained(this)));
ApplyAllowCrossOriginAuthPromptPolicy();
}
void BrowserProcessImpl::OnKeepAliveStateChanged(bool is_keeping_alive) {
if (is_keeping_alive)
Pin();
else
Unpin();
}
void BrowserProcessImpl::OnKeepAliveRestartStateChanged(bool can_restart) {}
void BrowserProcessImpl::CreateWatchdogThread() {
DCHECK(!created_watchdog_thread_ && !watchdog_thread_);
created_watchdog_thread_ = true;
auto thread = base::MakeUnique<WatchDogThread>();
base::Thread::Options options;
options.timer_slack = base::TIMER_SLACK_MAXIMUM;
if (!thread->StartWithOptions(options))
return;
watchdog_thread_.swap(thread);
}
void BrowserProcessImpl::CreateProfileManager() {
DCHECK(!created_profile_manager_ && !profile_manager_);
created_profile_manager_ = true;
base::FilePath user_data_dir;
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
profile_manager_ = base::MakeUnique<ProfileManager>(user_data_dir);
}
void BrowserProcessImpl::CreateLocalState() {
DCHECK(!local_state_);
base::FilePath local_state_path;
CHECK(PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path));
auto pref_registry = base::MakeRefCounted<PrefRegistrySimple>();
// Register local state preferences.
RegisterLocalState(pref_registry.get());
auto delegate = pref_service_factory_->CreateDelegate();
delegate->InitPrefRegistry(pref_registry.get());
local_state_ = chrome_prefs::CreateLocalState(
local_state_path, local_state_task_runner_.get(), policy_service(),
pref_registry, false, std::move(delegate));
DCHECK(local_state_);
pref_change_registrar_.Init(local_state_.get());
// Initialize the notification for the default browser setting policy.
pref_change_registrar_.Add(
prefs::kDefaultBrowserSettingEnabled,
base::Bind(&BrowserProcessImpl::ApplyDefaultBrowserPolicy,
base::Unretained(this)));
// This preference must be kept in sync with external values; update them
// whenever the preference or its controlling policy changes.
#if !defined(OS_ANDROID)
pref_change_registrar_.Add(
metrics::prefs::kMetricsReportingEnabled,
base::Bind(&BrowserProcessImpl::ApplyMetricsReportingPolicy,
base::Unretained(this)));
#endif
int max_per_proxy = local_state_->GetInteger(prefs::kMaxConnectionsPerProxy);
net::ClientSocketPoolManager::set_max_sockets_per_proxy_server(
net::HttpNetworkSession::NORMAL_SOCKET_POOL,
std::max(std::min(max_per_proxy, 99),
net::ClientSocketPoolManager::max_sockets_per_group(
net::HttpNetworkSession::NORMAL_SOCKET_POOL)));
}
void BrowserProcessImpl::PreCreateThreads(
const base::CommandLine& command_line) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
// chrome-extension:// URLs are safe to request anywhere, but may only
// commit (including in iframes) in extension processes.
ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeIsolatedScheme(
extensions::kExtensionScheme, true);
#endif
if (command_line.HasSwitch(switches::kLogNetLog)) {
base::FilePath log_file =
command_line.GetSwitchValuePath(switches::kLogNetLog);
if (log_file.empty()) {
base::FilePath user_data_dir;
bool success =
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(success);
log_file = user_data_dir.AppendASCII("netlog.json");
}
net_log_->StartWritingToFile(
log_file, GetNetCaptureModeFromCommandLine(command_line),
command_line.GetCommandLineString(), chrome::GetChannelString());
}
// Must be created before the IOThread.
// TODO(mmenke): Once IOThread class is no longer needed (not the thread
// itself), this can be created on first use.
system_network_context_manager_ =
base::MakeUnique<SystemNetworkContextManager>();
io_thread_ = base::MakeUnique<IOThread>(
local_state(), policy_service(), net_log_.get(),
extension_event_router_forwarder(),
system_network_context_manager_.get());
}
void BrowserProcessImpl::PreMainMessageLoopRun() {
TRACE_EVENT0("startup", "BrowserProcessImpl::PreMainMessageLoopRun");
SCOPED_UMA_HISTOGRAM_TIMER(
"Startup.BrowserProcessImpl_PreMainMessageLoopRunTime");
// browser_policy_connector() is created very early because local_state()
// needs policy to be initialized with the managed preference values.
// However, policy fetches from the network and loading of disk caches
// requires that threads are running; this Init() call lets the connector
// resume its initialization now that the loops are spinning and the
// system request context is available for the fetchers.
browser_policy_connector()->Init(local_state(), system_request_context());
if (local_state_->IsManagedPreference(prefs::kDefaultBrowserSettingEnabled))
ApplyDefaultBrowserPolicy();
#if !defined(OS_ANDROID)
ApplyMetricsReportingPolicy();
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
PluginService* plugin_service = PluginService::GetInstance();
plugin_service->SetFilter(ChromePluginServiceFilter::GetInstance());
// Triggers initialization of the singleton instance on UI thread.
PluginFinder::GetInstance()->Init();
DCHECK(!plugins_resource_service_);
plugins_resource_service_ =
base::MakeUnique<PluginsResourceService>(local_state());
plugins_resource_service_->Init();
#endif // BUILDFLAG(ENABLE_PLUGINS)
#if !defined(OS_ANDROID)
storage_monitor::StorageMonitor::Create();
#endif
child_process_watcher_ = base::MakeUnique<ChromeChildProcessWatcher>();
CacheDefaultWebClientState();
platform_part_->PreMainMessageLoopRun();
if (base::FeatureList::IsEnabled(network_time::kNetworkTimeServiceQuerying)) {
network_time_tracker_ = base::MakeUnique<network_time::NetworkTimeTracker>(
base::WrapUnique(new base::DefaultClock()),
base::WrapUnique(new base::DefaultTickClock()), local_state(),
system_request_context());
}
}
void BrowserProcessImpl::CreateIconManager() {
DCHECK(!created_icon_manager_ && !icon_manager_);
created_icon_manager_ = true;
icon_manager_ = base::MakeUnique<IconManager>();
}
void BrowserProcessImpl::CreateIntranetRedirectDetector() {
DCHECK(!intranet_redirect_detector_);
intranet_redirect_detector_ = base::MakeUnique<IntranetRedirectDetector>();
}
void BrowserProcessImpl::CreateNotificationPlatformBridge() {
#if BUILDFLAG(ENABLE_NATIVE_NOTIFICATIONS)
DCHECK(!notification_bridge_);
notification_bridge_.reset(NotificationPlatformBridge::Create());
created_notification_bridge_ = true;
#endif
}
void BrowserProcessImpl::CreateNotificationUIManager() {
// Android does not use the NotificationUIManager anymore
// All notification traffic is routed through NotificationPlatformBridge.
#if !defined(OS_ANDROID)
DCHECK(!notification_ui_manager_);
notification_ui_manager_.reset(NotificationUIManager::Create());
created_notification_ui_manager_ = true;
#endif
}
void BrowserProcessImpl::CreateBackgroundModeManager() {
#if BUILDFLAG(ENABLE_BACKGROUND_MODE)
DCHECK(!background_mode_manager_);
background_mode_manager_ = base::MakeUnique<BackgroundModeManager>(
*base::CommandLine::ForCurrentProcess(),
&profile_manager()->GetProfileAttributesStorage());
#endif
}
void BrowserProcessImpl::CreateStatusTray() {
DCHECK(!status_tray_);
status_tray_.reset(StatusTray::Create());
}
void BrowserProcessImpl::CreatePrintPreviewDialogController() {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
DCHECK(!print_preview_dialog_controller_);
print_preview_dialog_controller_ =
base::MakeRefCounted<printing::PrintPreviewDialogController>();
#else
NOTIMPLEMENTED();
#endif
}
void BrowserProcessImpl::CreateBackgroundPrintingManager() {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
DCHECK(!background_printing_manager_);
background_printing_manager_ =
base::MakeUnique<printing::BackgroundPrintingManager>();
#else
NOTIMPLEMENTED();
#endif
}
void BrowserProcessImpl::CreateSafeBrowsingService() {
DCHECK(!safe_browsing_service_);
// Set this flag to true so that we don't retry indefinitely to
// create the service class if there was an error.
created_safe_browsing_service_ = true;
safe_browsing_service_ =
safe_browsing::SafeBrowsingService::CreateSafeBrowsingService();
safe_browsing_service_->Initialize();
}
void BrowserProcessImpl::CreateSubresourceFilterRulesetService() {
DCHECK(!subresource_filter_ruleset_service_);
created_subresource_filter_ruleset_service_ = true;
if (!base::FeatureList::IsEnabled(
subresource_filter::kSafeBrowsingSubresourceFilter)) {
return;
}
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner(
base::CreateSequencedTaskRunnerWithTraits(
{base::MayBlock(), base::TaskPriority::BACKGROUND,
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
base::FilePath user_data_dir;
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
base::FilePath indexed_ruleset_base_dir =
user_data_dir.Append(subresource_filter::kTopLevelDirectoryName)
.Append(subresource_filter::kIndexedRulesetBaseDirectoryName);
subresource_filter_ruleset_service_ =
base::MakeUnique<subresource_filter::ContentRulesetService>(
blocking_task_runner);
subresource_filter_ruleset_service_->set_ruleset_service(
base::MakeUnique<subresource_filter::RulesetService>(
local_state(), blocking_task_runner,
subresource_filter_ruleset_service_.get(), indexed_ruleset_base_dir));
}
void BrowserProcessImpl::CreateOptimizationGuideService() {
DCHECK(!created_optimization_guide_service_);
DCHECK(!optimization_guide_service_);
created_optimization_guide_service_ = true;
if (!base::FeatureList::IsEnabled(previews::features::kOptimizationHints))
return;
optimization_guide_service_ =
base::MakeUnique<optimization_guide::OptimizationGuideService>(
content::BrowserThread::GetTaskRunnerForThread(
content::BrowserThread::IO));
}
void BrowserProcessImpl::CreateGCMDriver() {
DCHECK(!gcm_driver_);
#if defined(OS_ANDROID)
// Android's GCMDriver currently makes the assumption that it's a singleton.
// Until this gets fixed, instantiating multiple Java GCMDrivers will throw
// an exception, but because they're only initialized on demand these crashes
// would be very difficult to triage. See http://crbug.com/437827.
NOTREACHED();
#else
base::FilePath store_path;
CHECK(PathService::Get(chrome::DIR_GLOBAL_GCM_STORE, &store_path));
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner(
base::CreateSequencedTaskRunnerWithTraits(
{base::MayBlock(), base::TaskPriority::BACKGROUND,
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
gcm_driver_ = gcm::CreateGCMDriverDesktop(
base::WrapUnique(new gcm::GCMClientFactory), local_state(), store_path,
system_request_context(), chrome::GetChannel(),
gcm::GetProductCategoryForSubtypes(local_state()),
content::BrowserThread::GetTaskRunnerForThread(
content::BrowserThread::UI),
content::BrowserThread::GetTaskRunnerForThread(
content::BrowserThread::IO),
blocking_task_runner);
#endif // defined(OS_ANDROID)
}
void BrowserProcessImpl::CreatePhysicalWebDataSource() {
DCHECK(!physical_web_data_source_);
#if defined(OS_ANDROID)
physical_web_data_source_ = base::MakeUnique<PhysicalWebDataSourceAndroid>();
#else
NOTIMPLEMENTED();
#endif
}
void BrowserProcessImpl::ApplyDefaultBrowserPolicy() {
if (local_state()->GetBoolean(prefs::kDefaultBrowserSettingEnabled)) {
// The worker pointer is reference counted. While it is running, the
// message loops of the FILE and UI thread will hold references to it
// and it will be automatically freed once all its tasks have finished.
auto set_browser_worker =
base::MakeRefCounted<shell_integration::DefaultBrowserWorker>(
shell_integration::DefaultWebClientWorkerCallback());
// The user interaction must always be disabled when applying the default
// browser policy since it is done at each browser startup and the result
// of the interaction cannot be forced.
set_browser_worker->set_interactive_permitted(false);
set_browser_worker->StartSetAsDefault();
}
}
void BrowserProcessImpl::ApplyAllowCrossOriginAuthPromptPolicy() {
bool value = local_state()->GetBoolean(prefs::kAllowCrossOriginAuthPrompt);
ResourceDispatcherHost::Get()->SetAllowCrossOriginAuthPrompt(value);
}
#if !defined(OS_ANDROID)
void BrowserProcessImpl::ApplyMetricsReportingPolicy() {
GoogleUpdateSettings::CollectStatsConsentTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
base::IgnoreResult(&GoogleUpdateSettings::SetCollectStatsConsent),
ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled()));
}
#endif
void BrowserProcessImpl::CacheDefaultWebClientState() {
#if defined(OS_CHROMEOS)
cached_default_web_client_state_ = shell_integration::IS_DEFAULT;
#elif !defined(OS_ANDROID)
cached_default_web_client_state_ = shell_integration::GetDefaultBrowser();
#endif
}
void BrowserProcessImpl::Pin() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// CHECK(!IsShuttingDown());
if (IsShuttingDown()) {
// TODO(rsesek): Consider removing this trace, but it has been helpful
// in debugging several shutdown crashes (https://crbug.com/113031,
// https://crbug.com/625646, and https://crbug.com/779829).
static crash_reporter::CrashKeyString<1024> browser_unpin_trace(
"browser-unpin-trace");
crash_reporter::SetCrashKeyStringToStackTrace(
&browser_unpin_trace, release_last_reference_callstack_);
CHECK(false);
}
}
void BrowserProcessImpl::Unpin() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
release_last_reference_callstack_ = base::debug::StackTrace();
shutting_down_ = true;
#if BUILDFLAG(ENABLE_PRINTING)
// Wait for the pending print jobs to finish. Don't do this later, since
// this might cause a nested run loop to run, and we don't want pending
// tasks to run once teardown has started.
print_job_manager_->Shutdown();
#endif
#if defined(LEAK_SANITIZER)
// Check for memory leaks now, before we start shutting down threads. Doing
// this early means we won't report any shutdown-only leaks (as they have
// not yet happened at this point).
// If leaks are found, this will make the process exit immediately.
__lsan_do_leak_check();
#endif
CHECK(base::RunLoop::IsRunningOnCurrentThread());
#if defined(OS_MACOSX)
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(ChromeBrowserMainPartsMac::DidEndMainMessageLoop));
#endif
base::RunLoop::QuitCurrentWhenIdleDeprecated();
#if !defined(OS_ANDROID)
chrome::ShutdownIfNeeded();
#endif // !defined(OS_ANDROID)
}
// Mac is currently not supported.
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
bool BrowserProcessImpl::IsRunningInBackground() const {
// Check if browser is in the background.
return chrome::GetTotalBrowserCount() == 0 &&
KeepAliveRegistry::GetInstance()->IsKeepingAlive();
}
void BrowserProcessImpl::RestartBackgroundInstance() {
base::CommandLine* old_cl = base::CommandLine::ForCurrentProcess();
auto new_cl = std::make_unique<base::CommandLine>(old_cl->GetProgram());
base::CommandLine::SwitchMap switches = old_cl->GetSwitches();
switches::RemoveSwitchesForAutostart(&switches);
// Append the rest of the switches (along with their values, if any)
// to the new command line
for (const auto& it : switches) {
const auto& switch_name = it.first;
const auto& switch_value = it.second;
if (switch_value.empty())
new_cl->AppendSwitch(switch_name);
else
new_cl->AppendSwitchNative(switch_name, switch_value);
}
// Switches to add when auto-restarting Chrome.
static constexpr const char* kSwitchesToAddOnAutorestart[] = {
switches::kNoStartupWindow};
// Ensure that our desired switches are set on the new process.
for (const char* switch_to_add : kSwitchesToAddOnAutorestart) {
if (!new_cl->HasSwitch(switch_to_add))
new_cl->AppendSwitch(switch_to_add);
}
#if defined(OS_WIN)
new_cl->AppendArg(switches::kPrefetchArgumentBrowserBackground);
#endif // defined(OS_WIN)
DLOG(WARNING) << "Shutting down current instance of the browser.";
chrome::AttemptExit();
upgrade_util::SetNewCommandLine(new_cl.release());
}
void BrowserProcessImpl::OnAutoupdateTimer() {
if (IsRunningInBackground()) {
// upgrade_util::IsUpdatePendingRestart touches the disk, so do it on a
// suitable thread.
base::PostTaskWithTraitsAndReplyWithResult(
FROM_HERE,
{base::TaskPriority::BACKGROUND,
base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN, base::MayBlock()},
base::BindOnce(&upgrade_util::IsUpdatePendingRestart),
base::BindOnce(&BrowserProcessImpl::OnPendingRestartResult,
base::Unretained(this)));
}
}
void BrowserProcessImpl::OnPendingRestartResult(
bool is_update_pending_restart) {
// Make sure that the browser is still in the background after returning from
// the check.
if (is_update_pending_restart && IsRunningInBackground()) {
DLOG(WARNING) << "Detected update. Restarting browser.";
RestartBackgroundInstance();
}
}
#endif // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)