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Unified Diff: content/browser/renderer_host/render_process_host_impl.cc

Issue 1214883004: Fixed the audio backgrounding bug (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Temporary android fix Created 5 years, 3 months ago
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Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 8717e3e7d150ab6fcf7a9ed26736cbc1626a0b21..53e30ac10df2b0451c1bb8fa94a9c887670c3a35 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1,2570 +1,2516 @@
-// Copyright 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.
-
-// Represents the browser side of the browser <--> renderer communication
-// channel. There will be one RenderProcessHost per renderer process.
-
-#include "content/browser/renderer_host/render_process_host_impl.h"
-
-#include <algorithm>
-#include <limits>
-#include <vector>
-
-#include "base/base_switches.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/callback.h"
-#include "base/command_line.h"
-#include "base/debug/dump_without_crashing.h"
-#include "base/files/file.h"
-#include "base/lazy_instance.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/metrics/field_trial.h"
-#include "base/metrics/histogram.h"
-#include "base/process/process_handle.h"
-#include "base/profiler/scoped_tracker.h"
-#include "base/rand_util.h"
-#include "base/single_thread_task_runner.h"
-#include "base/stl_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/supports_user_data.h"
-#include "base/sys_info.h"
-#include "base/threading/thread.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/trace_event/trace_event.h"
-#include "base/tracked_objects.h"
-#include "cc/base/switches.h"
-#include "components/tracing/tracing_switches.h"
-#include "content/browser/appcache/appcache_dispatcher_host.h"
-#include "content/browser/appcache/chrome_appcache_service.h"
-#include "content/browser/background_sync/background_sync_service_impl.h"
-#include "content/browser/bad_message.h"
-#include "content/browser/bluetooth/bluetooth_dispatcher_host.h"
-#include "content/browser/browser_child_process_host_impl.h"
-#include "content/browser/browser_main.h"
-#include "content/browser/browser_main_loop.h"
-#include "content/browser/browser_plugin/browser_plugin_message_filter.h"
-#include "content/browser/cache_storage/cache_storage_context_impl.h"
-#include "content/browser/cache_storage/cache_storage_dispatcher_host.h"
-#include "content/browser/child_process_security_policy_impl.h"
-#include "content/browser/device_sensors/device_light_message_filter.h"
-#include "content/browser/device_sensors/device_motion_message_filter.h"
-#include "content/browser/device_sensors/device_orientation_message_filter.h"
-#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
-#include "content/browser/dom_storage/dom_storage_message_filter.h"
-#include "content/browser/download/mhtml_generation_manager.h"
-#include "content/browser/fileapi/chrome_blob_storage_context.h"
-#include "content/browser/fileapi/fileapi_message_filter.h"
-#include "content/browser/frame_host/render_frame_message_filter.h"
-#include "content/browser/geofencing/geofencing_dispatcher_host.h"
-#include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
-#include "content/browser/gpu/compositor_util.h"
-#include "content/browser/gpu/gpu_data_manager_impl.h"
-#include "content/browser/gpu/gpu_process_host.h"
-#include "content/browser/gpu/shader_disk_cache.h"
-#include "content/browser/histogram_message_filter.h"
-#include "content/browser/indexed_db/indexed_db_context_impl.h"
-#include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
-#include "content/browser/loader/resource_message_filter.h"
-#include "content/browser/loader/resource_scheduler_filter.h"
-#include "content/browser/media/capture/audio_mirroring_manager.h"
-#include "content/browser/media/media_internals.h"
-#include "content/browser/media/midi_host.h"
-#include "content/browser/memory/memory_message_filter.h"
-#include "content/browser/message_port_message_filter.h"
-#include "content/browser/mime_registry_message_filter.h"
-#include "content/browser/mojo/mojo_application_host.h"
-#include "content/browser/navigator_connect/service_port_service_impl.h"
-#include "content/browser/notifications/notification_message_filter.h"
-#include "content/browser/permissions/permission_service_context.h"
-#include "content/browser/permissions/permission_service_impl.h"
-#include "content/browser/profiler_message_filter.h"
-#include "content/browser/push_messaging/push_messaging_message_filter.h"
-#include "content/browser/quota_dispatcher_host.h"
-#include "content/browser/renderer_host/clipboard_message_filter.h"
-#include "content/browser/renderer_host/database_message_filter.h"
-#include "content/browser/renderer_host/file_utilities_message_filter.h"
-#include "content/browser/renderer_host/gamepad_browser_message_filter.h"
-#include "content/browser/renderer_host/gpu_message_filter.h"
-#include "content/browser/renderer_host/media/audio_input_renderer_host.h"
-#include "content/browser/renderer_host/media/audio_renderer_host.h"
-#include "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
-#include "content/browser/renderer_host/media/peer_connection_tracker_host.h"
-#include "content/browser/renderer_host/media/video_capture_host.h"
-#include "content/browser/renderer_host/memory_benchmark_message_filter.h"
-#include "content/browser/renderer_host/pepper/pepper_message_filter.h"
-#include "content/browser/renderer_host/pepper/pepper_renderer_connection.h"
-#include "content/browser/renderer_host/render_message_filter.h"
-#include "content/browser/renderer_host/render_view_host_delegate.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/browser/renderer_host/render_widget_helper.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "content/browser/renderer_host/text_input_client_message_filter.h"
-#include "content/browser/renderer_host/websocket_dispatcher_host.h"
-#include "content/browser/resolve_proxy_msg_helper.h"
-#include "content/browser/service_worker/service_worker_context_wrapper.h"
-#include "content/browser/service_worker/service_worker_dispatcher_host.h"
-#include "content/browser/shared_worker/shared_worker_message_filter.h"
-#include "content/browser/shared_worker/worker_storage_partition.h"
-#include "content/browser/speech/speech_recognition_dispatcher_host.h"
-#include "content/browser/storage_partition_impl.h"
-#include "content/browser/streams/stream_context.h"
-#include "content/browser/tracing/trace_message_filter.h"
-#include "content/browser/webui/web_ui_controller_factory_registry.h"
-#include "content/common/child_process_host_impl.h"
-#include "content/common/child_process_messages.h"
-#include "content/common/content_switches_internal.h"
-#include "content/common/frame_messages.h"
-#include "content/common/gpu/gpu_messages.h"
-#include "content/common/in_process_child_thread_params.h"
-#include "content/common/mojo/channel_init.h"
-#include "content/common/mojo/mojo_messages.h"
-#include "content/common/render_process_messages.h"
-#include "content/common/resource_messages.h"
-#include "content/common/site_isolation_policy.h"
-#include "content/common/view_messages.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/navigator_connect_context.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_process_host_factory.h"
-#include "content/public/browser/render_process_host_observer.h"
-#include "content/public/browser/render_widget_host.h"
-#include "content/public/browser/render_widget_host_iterator.h"
-#include "content/public/browser/render_widget_host_view_frame_subscriber.h"
-#include "content/public/browser/resource_context.h"
-#include "content/public/browser/user_metrics.h"
-#include "content/public/browser/worker_service.h"
-#include "content/public/common/child_process_host.h"
-#include "content/public/common/content_constants.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/common/mojo_channel_switches.h"
-#include "content/public/common/process_type.h"
-#include "content/public/common/resource_type.h"
-#include "content/public/common/result_codes.h"
-#include "content/public/common/sandboxed_process_launcher_delegate.h"
-#include "content/public/common/url_constants.h"
-#include "device/battery/battery_monitor_impl.h"
-#include "device/vibration/vibration_manager_impl.h"
-#include "gpu/GLES2/gl2extchromium.h"
-#include "gpu/command_buffer/client/gpu_switches.h"
-#include "gpu/command_buffer/common/gles2_cmd_utils.h"
-#include "gpu/command_buffer/service/gpu_switches.h"
-#include "ipc/ipc_channel.h"
-#include "ipc/ipc_logging.h"
-#include "ipc/ipc_switches.h"
-#include "ipc/mojo/ipc_channel_mojo.h"
-#include "media/base/media_switches.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "ppapi/shared_impl/ppapi_switches.h"
-#include "storage/browser/fileapi/sandbox_file_system_backend.h"
-#include "third_party/icu/source/common/unicode/unistr.h"
-#include "third_party/icu/source/i18n/unicode/timezone.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/ui_base_switches.h"
-#include "ui/events/event_switches.h"
-#include "ui/gfx/switches.h"
-#include "ui/gl/gl_switches.h"
-#include "ui/gl/gpu_switching_manager.h"
-#include "ui/native_theme/native_theme_switches.h"
-
-#if defined(OS_ANDROID)
-#include "content/browser/android/child_process_launcher_android.h"
-#include "content/browser/media/android/browser_demuxer_android.h"
-#include "content/browser/mojo/service_registrar_android.h"
-#include "content/browser/screen_orientation/screen_orientation_message_filter_android.h"
-#endif
-
-#if defined(OS_WIN)
-#include "base/win/scoped_com_initializer.h"
-#include "base/win/windows_version.h"
-#include "content/common/font_cache_dispatcher_win.h"
-#include "content/common/sandbox_win.h"
-#include "sandbox/win/src/sandbox_policy.h"
-#include "ui/gfx/win/dpi.h"
-#endif
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "content/browser/bootstrap_sandbox_manager_mac.h"
-#include "content/browser/browser_io_surface_manager_mac.h"
-#endif
-
-#if defined(USE_OZONE)
-#include "ui/ozone/public/client_native_pixmap_factory.h"
-#include "ui/ozone/public/ozone_platform.h"
-#include "ui/ozone/public/ozone_switches.h"
-#endif
-
-#if defined(ENABLE_BROWSER_CDMS)
-#include "content/browser/media/cdm/browser_cdm_manager.h"
-#endif
-
-#if defined(ENABLE_PLUGINS)
-#include "content/browser/plugin_service_impl.h"
-#endif
-
-#if defined(ENABLE_WEBRTC)
-#include "content/browser/media/webrtc_internals.h"
-#include "content/browser/renderer_host/media/media_stream_track_metrics_host.h"
-#include "content/browser/renderer_host/media/webrtc_identity_service_host.h"
-#include "content/browser/renderer_host/p2p/socket_dispatcher_host.h"
-#include "content/common/media/aec_dump_messages.h"
-#include "content/common/media/media_stream_messages.h"
-#endif
-
-#if defined(OS_WIN)
-#define IntToStringType base::IntToString16
-#else
-#define IntToStringType base::IntToString
-#endif
-
-namespace content {
-namespace {
-
-const char kSiteProcessMapKeyName[] = "content_site_process_map";
-
-#ifdef ENABLE_WEBRTC
-const base::FilePath::CharType kAecDumpFileNameAddition[] =
- FILE_PATH_LITERAL("aec_dump");
-#endif
-
-void CacheShaderInfo(int32 id, base::FilePath path) {
- ShaderCacheFactory::GetInstance()->SetCacheInfo(id, path);
-}
-
-void RemoveShaderInfo(int32 id) {
- ShaderCacheFactory::GetInstance()->RemoveCacheInfo(id);
-}
-
-net::URLRequestContext* GetRequestContext(
- scoped_refptr<net::URLRequestContextGetter> request_context,
- scoped_refptr<net::URLRequestContextGetter> media_request_context,
- ResourceType resource_type) {
- // If the request has resource type of RESOURCE_TYPE_MEDIA, we use a request
- // context specific to media for handling it because these resources have
- // specific needs for caching.
- if (resource_type == RESOURCE_TYPE_MEDIA)
- return media_request_context->GetURLRequestContext();
- return request_context->GetURLRequestContext();
-}
-
-void GetContexts(
- ResourceContext* resource_context,
- scoped_refptr<net::URLRequestContextGetter> request_context,
- scoped_refptr<net::URLRequestContextGetter> media_request_context,
- const ResourceHostMsg_Request& request,
- ResourceContext** resource_context_out,
- net::URLRequestContext** request_context_out) {
- *resource_context_out = resource_context;
- *request_context_out =
- GetRequestContext(request_context, media_request_context,
- request.resource_type);
-}
-
-#if defined(ENABLE_WEBRTC)
-
-// Allow us to only run the trial in the first renderer.
-bool has_done_stun_trials = false;
-
-// Creates a file used for diagnostic echo canceller recordings for handing
-// over to the renderer.
-IPC::PlatformFileForTransit CreateAecDumpFileForProcess(
- base::FilePath file_path,
- base::ProcessHandle process) {
- DCHECK_CURRENTLY_ON(BrowserThread::FILE);
- base::File dump_file(file_path,
- base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_APPEND);
- if (!dump_file.IsValid()) {
- VLOG(1) << "Could not open AEC dump file, error=" <<
- dump_file.error_details();
- return IPC::InvalidPlatformFileForTransit();
- }
- return IPC::TakeFileHandleForProcess(dump_file.Pass(), process);
-}
-
-// Does nothing. Just to avoid races between enable and disable.
-void DisableAecDumpOnFileThread() {
- DCHECK_CURRENTLY_ON(BrowserThread::FILE);
-}
-#endif
-
-// the global list of all renderer processes
-base::LazyInstance<IDMap<RenderProcessHost> >::Leaky
- g_all_hosts = LAZY_INSTANCE_INITIALIZER;
-
-// Map of site to process, to ensure we only have one RenderProcessHost per
-// site in process-per-site mode. Each map is specific to a BrowserContext.
-class SiteProcessMap : public base::SupportsUserData::Data {
- public:
- typedef base::hash_map<std::string, RenderProcessHost*> SiteToProcessMap;
- SiteProcessMap() {}
-
- void RegisterProcess(const std::string& site, RenderProcessHost* process) {
- map_[site] = process;
- }
-
- RenderProcessHost* FindProcess(const std::string& site) {
- SiteToProcessMap::iterator i = map_.find(site);
- if (i != map_.end())
- return i->second;
- return NULL;
- }
-
- void RemoveProcess(RenderProcessHost* host) {
- // Find all instances of this process in the map, then separately remove
- // them.
- std::set<std::string> sites;
- for (SiteToProcessMap::const_iterator i = map_.begin();
- i != map_.end();
- i++) {
- if (i->second == host)
- sites.insert(i->first);
- }
- for (std::set<std::string>::iterator i = sites.begin();
- i != sites.end();
- i++) {
- SiteToProcessMap::iterator iter = map_.find(*i);
- if (iter != map_.end()) {
- DCHECK_EQ(iter->second, host);
- map_.erase(iter);
- }
- }
- }
-
- private:
- SiteToProcessMap map_;
-};
-
-// Find the SiteProcessMap specific to the given context.
-SiteProcessMap* GetSiteProcessMapForBrowserContext(BrowserContext* context) {
- DCHECK(context);
- SiteProcessMap* map = static_cast<SiteProcessMap*>(
- context->GetUserData(kSiteProcessMapKeyName));
- if (!map) {
- map = new SiteProcessMap();
- context->SetUserData(kSiteProcessMapKeyName, map);
- }
- return map;
-}
-
-// NOTE: changes to this class need to be reviewed by the security team.
-class RendererSandboxedProcessLauncherDelegate
- : public SandboxedProcessLauncherDelegate {
- public:
- explicit RendererSandboxedProcessLauncherDelegate(IPC::ChannelProxy* channel)
-#if defined(OS_POSIX)
- : ipc_fd_(channel->TakeClientFileDescriptor())
-#endif // OS_POSIX
- {}
-
- ~RendererSandboxedProcessLauncherDelegate() override {}
-
-#if defined(OS_WIN)
- void PreSpawnTarget(sandbox::TargetPolicy* policy, bool* success) override {
- AddBaseHandleClosePolicy(policy);
-
- const base::string16& sid =
- GetContentClient()->browser()->GetAppContainerSidForSandboxType(
- GetSandboxType());
- if (!sid.empty())
- AddAppContainerPolicy(policy, sid.c_str());
-
- GetContentClient()->browser()->PreSpawnRenderer(policy, success);
- }
-
-#elif defined(OS_POSIX)
- bool ShouldUseZygote() override {
- const base::CommandLine& browser_command_line =
- *base::CommandLine::ForCurrentProcess();
- base::CommandLine::StringType renderer_prefix =
- browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix);
- return renderer_prefix.empty();
- }
- base::ScopedFD TakeIpcFd() override { return ipc_fd_.Pass(); }
-#endif // OS_WIN
-
- SandboxType GetSandboxType() override {
- return SANDBOX_TYPE_RENDERER;
- }
-
- private:
-#if defined(OS_POSIX)
- base::ScopedFD ipc_fd_;
-#endif // OS_POSIX
-};
-
-const char kSessionStorageHolderKey[] = "kSessionStorageHolderKey";
-
-class SessionStorageHolder : public base::SupportsUserData::Data {
- public:
- SessionStorageHolder() {}
- ~SessionStorageHolder() override {}
-
- void Hold(const SessionStorageNamespaceMap& sessions, int view_route_id) {
- session_storage_namespaces_awaiting_close_[view_route_id] = sessions;
- }
-
- void Release(int old_route_id) {
- session_storage_namespaces_awaiting_close_.erase(old_route_id);
- }
-
- private:
- std::map<int, SessionStorageNamespaceMap >
- session_storage_namespaces_awaiting_close_;
- DISALLOW_COPY_AND_ASSIGN(SessionStorageHolder);
-};
-
-std::string UintVectorToString(const std::vector<unsigned>& vector) {
- std::string str;
- for (auto it : vector) {
- if (!str.empty())
- str += ",";
- str += base::UintToString(it);
- }
- return str;
-}
-
-} // namespace
-
-RendererMainThreadFactoryFunction g_renderer_main_thread_factory = NULL;
-
-base::MessageLoop* g_in_process_thread;
-
-base::MessageLoop*
- RenderProcessHostImpl::GetInProcessRendererThreadForTesting() {
- return g_in_process_thread;
-}
-
-// Stores the maximum number of renderer processes the content module can
-// create.
-static size_t g_max_renderer_count_override = 0;
-
-// static
-size_t RenderProcessHost::GetMaxRendererProcessCount() {
- if (g_max_renderer_count_override)
- return g_max_renderer_count_override;
-
-#if defined(OS_ANDROID)
- // On Android we don't maintain a limit of renderer process hosts - we are
- // happy with keeping a lot of these, as long as the number of live renderer
- // processes remains reasonable, and on Android the OS takes care of that.
- return std::numeric_limits<size_t>::max();
-#endif
-
- // On other platforms, we calculate the maximum number of renderer process
- // hosts according to the amount of installed memory as reported by the OS.
- // The calculation assumes that you want the renderers to use half of the
- // installed RAM and assuming that each WebContents uses ~40MB. If you modify
- // this assumption, you need to adjust the ThirtyFourTabs test to match the
- // expected number of processes.
- //
- // With the given amounts of installed memory below on a 32-bit CPU, the
- // maximum renderer count will roughly be as follows:
- //
- // 128 MB -> 3
- // 512 MB -> 6
- // 1024 MB -> 12
- // 4096 MB -> 51
- // 16384 MB -> 82 (kMaxRendererProcessCount)
-
- static size_t max_count = 0;
- if (!max_count) {
- const size_t kEstimatedWebContentsMemoryUsage =
-#if defined(ARCH_CPU_64_BITS)
- 60; // In MB
-#else
- 40; // In MB
-#endif
- max_count = base::SysInfo::AmountOfPhysicalMemoryMB() / 2;
- max_count /= kEstimatedWebContentsMemoryUsage;
-
- const size_t kMinRendererProcessCount = 3;
- max_count = std::max(max_count, kMinRendererProcessCount);
- max_count = std::min(max_count, kMaxRendererProcessCount);
- }
- return max_count;
-}
-
-// static
-bool g_run_renderer_in_process_ = false;
-
-// static
-void RenderProcessHost::SetMaxRendererProcessCount(size_t count) {
- g_max_renderer_count_override = count;
-}
-
-RenderProcessHostImpl::RenderProcessHostImpl(
- BrowserContext* browser_context,
- StoragePartitionImpl* storage_partition_impl,
- bool is_for_guests_only)
- : fast_shutdown_started_(false),
- deleting_soon_(false),
-#ifndef NDEBUG
- is_self_deleted_(false),
-#endif
- pending_views_(0),
- mojo_application_host_(new MojoApplicationHost),
- visible_widgets_(0),
- backgrounded_(true),
- is_initialized_(false),
- id_(ChildProcessHostImpl::GenerateChildProcessUniqueId()),
- browser_context_(browser_context),
- storage_partition_impl_(storage_partition_impl),
- sudden_termination_allowed_(true),
- ignore_input_events_(false),
- is_for_guests_only_(is_for_guests_only),
- gpu_observer_registered_(false),
- delayed_cleanup_needed_(false),
- within_process_died_observer_(false),
- power_monitor_broadcaster_(this),
- worker_ref_count_(0),
- max_worker_count_(0),
- permission_service_context_(new PermissionServiceContext(this)),
- pending_valuebuffer_state_(new gpu::ValueStateMap()),
- subscribe_uniform_enabled_(false),
- weak_factory_(this) {
- widget_helper_ = new RenderWidgetHelper();
-
- ChildProcessSecurityPolicyImpl::GetInstance()->Add(GetID());
-
- CHECK(!BrowserMainRunner::ExitedMainMessageLoop());
- RegisterHost(GetID(), this);
- g_all_hosts.Get().set_check_on_null_data(true);
- // Initialize |child_process_activity_time_| to a reasonable value.
- mark_child_process_activity_time();
-
- if (!GetBrowserContext()->IsOffTheRecord() &&
- !base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kDisableGpuShaderDiskCache)) {
- BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
- base::Bind(&CacheShaderInfo, GetID(),
- storage_partition_impl_->GetPath()));
- }
- subscribe_uniform_enabled_ =
- base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kEnableSubscribeUniformExtension);
-
-#if defined(OS_MACOSX)
- if (BootstrapSandboxManager::ShouldEnable())
gab 2015/09/30 13:33:31 Hmm why are we removing this?
sebsg 2015/09/30 18:26:43 Good catch, it's a case of ad merging. Thanks.
- AddObserver(BootstrapSandboxManager::GetInstance());
-#endif
-
- // Note: When we create the RenderProcessHostImpl, it's technically
- // backgrounded, because it has no visible listeners. But the process
- // doesn't actually exist yet, so we'll Background it later, after
- // creation.
-}
-
-// static
-void RenderProcessHostImpl::ShutDownInProcessRenderer() {
- DCHECK(g_run_renderer_in_process_);
-
- switch (g_all_hosts.Pointer()->size()) {
- case 0:
- return;
- case 1: {
- RenderProcessHostImpl* host = static_cast<RenderProcessHostImpl*>(
- AllHostsIterator().GetCurrentValue());
- FOR_EACH_OBSERVER(RenderProcessHostObserver,
- host->observers_,
- RenderProcessHostDestroyed(host));
-#ifndef NDEBUG
- host->is_self_deleted_ = true;
-#endif
- delete host;
- return;
- }
- default:
- NOTREACHED() << "There should be only one RenderProcessHost when running "
- << "in-process.";
- }
-}
-
-void RenderProcessHostImpl::RegisterRendererMainThreadFactory(
- RendererMainThreadFactoryFunction create) {
- g_renderer_main_thread_factory = create;
-}
-
-RenderProcessHostImpl::~RenderProcessHostImpl() {
-#ifndef NDEBUG
- DCHECK(is_self_deleted_)
- << "RenderProcessHostImpl is destroyed by something other than itself";
-#endif
-
- // Make sure to clean up the in-process renderer before the channel, otherwise
- // it may still run and have its IPCs fail, causing asserts.
- in_process_renderer_.reset();
-
- ChildProcessSecurityPolicyImpl::GetInstance()->Remove(GetID());
-
- if (gpu_observer_registered_) {
- ui::GpuSwitchingManager::GetInstance()->RemoveObserver(this);
- gpu_observer_registered_ = false;
- }
-
- // We may have some unsent messages at this point, but that's OK.
- channel_.reset();
- while (!queued_messages_.empty()) {
- delete queued_messages_.front();
- queued_messages_.pop();
- }
-
- UnregisterHost(GetID());
-
- if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kDisableGpuShaderDiskCache)) {
- BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
- base::Bind(&RemoveShaderInfo, GetID()));
- }
-}
-
-void RenderProcessHostImpl::EnableSendQueue() {
- is_initialized_ = false;
-}
-
-bool RenderProcessHostImpl::Init() {
- // calling Init() more than once does nothing, this makes it more convenient
- // for the view host which may not be sure in some cases
- if (channel_)
- return true;
-
- base::CommandLine::StringType renderer_prefix;
- // A command prefix is something prepended to the command line of the spawned
- // process.
- const base::CommandLine& browser_command_line =
- *base::CommandLine::ForCurrentProcess();
- renderer_prefix =
- browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix);
-
-#if defined(OS_LINUX)
- int flags = renderer_prefix.empty() ? ChildProcessHost::CHILD_ALLOW_SELF :
- ChildProcessHost::CHILD_NORMAL;
-#else
- int flags = ChildProcessHost::CHILD_NORMAL;
-#endif
-
- // Find the renderer before creating the channel so if this fails early we
- // return without creating the channel.
- base::FilePath renderer_path = ChildProcessHost::GetChildPath(flags);
- if (renderer_path.empty())
- return false;
-
- // Setup the IPC channel.
- const std::string channel_id =
- IPC::Channel::GenerateVerifiedChannelID(std::string());
- channel_ = CreateChannelProxy(channel_id);
-
- // Setup the Mojo channel.
- mojo_application_host_->Init();
-
- // Call the embedder first so that their IPC filters have priority.
- GetContentClient()->browser()->RenderProcessWillLaunch(this);
-
- CreateMessageFilters();
- RegisterMojoServices();
-
- if (run_renderer_in_process()) {
- DCHECK(g_renderer_main_thread_factory);
- // Crank up a thread and run the initialization there. With the way that
- // messages flow between the browser and renderer, this thread is required
- // to prevent a deadlock in single-process mode. Since the primordial
- // thread in the renderer process runs the WebKit code and can sometimes
- // make blocking calls to the UI thread (i.e. this thread), they need to run
- // on separate threads.
- in_process_renderer_.reset(
- g_renderer_main_thread_factory(InProcessChildThreadParams(
- channel_id, BrowserThread::UnsafeGetMessageLoopForThread(
- BrowserThread::IO)->task_runner())));
-
- base::Thread::Options options;
-#if defined(OS_WIN) && !defined(OS_MACOSX)
- // In-process plugins require this to be a UI message loop.
- options.message_loop_type = base::MessageLoop::TYPE_UI;
-#else
- // We can't have multiple UI loops on Linux and Android, so we don't support
- // in-process plugins.
- options.message_loop_type = base::MessageLoop::TYPE_DEFAULT;
-#endif
-
- // As for execution sequence, this callback should have no any dependency
- // on starting in-process-render-thread.
- // So put it here to trigger ChannelMojo initialization earlier to enable
- // in-process-render-thread using ChannelMojo there.
- OnProcessLaunched(); // Fake a callback that the process is ready.
-
- in_process_renderer_->StartWithOptions(options);
-
- g_in_process_thread = in_process_renderer_->message_loop();
-
- } else {
- // Build command line for renderer. We call AppendRendererCommandLine()
- // first so the process type argument will appear first.
- base::CommandLine* cmd_line = new base::CommandLine(renderer_path);
- if (!renderer_prefix.empty())
- cmd_line->PrependWrapper(renderer_prefix);
- AppendRendererCommandLine(cmd_line);
- cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id);
-
- // Spawn the child process asynchronously to avoid blocking the UI thread.
- // As long as there's no renderer prefix, we can use the zygote process
- // at this stage.
- child_process_launcher_.reset(new ChildProcessLauncher(
- new RendererSandboxedProcessLauncherDelegate(channel_.get()),
- cmd_line,
- GetID(),
- this));
-
- fast_shutdown_started_ = false;
- }
-
- if (!gpu_observer_registered_) {
- gpu_observer_registered_ = true;
- ui::GpuSwitchingManager::GetInstance()->AddObserver(this);
- }
-
- power_monitor_broadcaster_.Init();
-
- is_initialized_ = true;
- init_time_ = base::TimeTicks::Now();
- return true;
-}
-
-scoped_ptr<IPC::ChannelProxy> RenderProcessHostImpl::CreateChannelProxy(
- const std::string& channel_id) {
- scoped_refptr<base::SingleThreadTaskRunner> runner =
- BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
- scoped_refptr<base::SequencedTaskRunner> mojo_task_runner =
- BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::IO)
- ->task_runner();
- if (ShouldUseMojoChannel()) {
- VLOG(1) << "Mojo Channel is enabled on host";
-
- return IPC::ChannelProxy::Create(
- IPC::ChannelMojo::CreateServerFactory(mojo_task_runner, channel_id),
- this, runner.get());
- }
-
- return IPC::ChannelProxy::Create(channel_id, IPC::Channel::MODE_SERVER, this,
- runner.get());
-}
-
-void RenderProcessHostImpl::CreateMessageFilters() {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- const base::CommandLine& browser_command_line =
- *base::CommandLine::ForCurrentProcess();
- AddFilter(new ResourceSchedulerFilter(GetID()));
- MediaInternals* media_internals = MediaInternals::GetInstance();
- media::AudioManager* audio_manager =
- BrowserMainLoop::GetInstance()->audio_manager();
- // Add BrowserPluginMessageFilter to ensure it gets the first stab at messages
- // from guests.
- scoped_refptr<BrowserPluginMessageFilter> bp_message_filter(
- new BrowserPluginMessageFilter(GetID()));
- AddFilter(bp_message_filter.get());
-
- scoped_refptr<RenderMessageFilter> render_message_filter(
- new RenderMessageFilter(
- GetID(),
- GetBrowserContext(),
- GetBrowserContext()->GetRequestContextForRenderProcess(GetID()),
- widget_helper_.get(),
- audio_manager,
- media_internals,
- storage_partition_impl_->GetDOMStorageContext()));
- AddFilter(render_message_filter.get());
- AddFilter(new RenderFrameMessageFilter(
- GetID(),
-#if defined(ENABLE_PLUGINS)
- PluginServiceImpl::GetInstance(),
-#else
- nullptr,
-#endif
- GetBrowserContext(),
- GetBrowserContext()->GetRequestContextForRenderProcess(GetID()),
- widget_helper_.get()));
- BrowserContext* browser_context = GetBrowserContext();
- ResourceContext* resource_context = browser_context->GetResourceContext();
-
- scoped_refptr<net::URLRequestContextGetter> request_context(
- browser_context->GetRequestContextForRenderProcess(GetID()));
- scoped_refptr<net::URLRequestContextGetter> media_request_context(
- browser_context->GetMediaRequestContextForRenderProcess(GetID()));
-
- ResourceMessageFilter::GetContextsCallback get_contexts_callback(
- base::Bind(&GetContexts, browser_context->GetResourceContext(),
- request_context, media_request_context));
-
- ResourceMessageFilter* resource_message_filter = new ResourceMessageFilter(
- GetID(), PROCESS_TYPE_RENDERER,
- storage_partition_impl_->GetAppCacheService(),
- ChromeBlobStorageContext::GetFor(browser_context),
- storage_partition_impl_->GetFileSystemContext(),
- storage_partition_impl_->GetServiceWorkerContext(),
- storage_partition_impl_->GetHostZoomLevelContext(),
- get_contexts_callback);
-
- AddFilter(resource_message_filter);
- MediaStreamManager* media_stream_manager =
- BrowserMainLoop::GetInstance()->media_stream_manager();
- // The AudioInputRendererHost and AudioRendererHost needs to be available for
- // lookup, so it's stashed in a member variable.
- audio_input_renderer_host_ = new AudioInputRendererHost(
- GetID(),
- base::GetProcId(GetHandle()),
- audio_manager,
- media_stream_manager,
- AudioMirroringManager::GetInstance(),
- BrowserMainLoop::GetInstance()->user_input_monitor());
- AddFilter(audio_input_renderer_host_.get());
- audio_renderer_host_ = new AudioRendererHost(
- GetID(),
- audio_manager,
- AudioMirroringManager::GetInstance(),
- media_internals,
- media_stream_manager,
- browser_context->GetResourceContext()->GetMediaDeviceIDSalt());
- AddFilter(audio_renderer_host_.get());
- AddFilter(
- new MidiHost(GetID(), BrowserMainLoop::GetInstance()->midi_manager()));
- AddFilter(new VideoCaptureHost(media_stream_manager));
- AddFilter(new AppCacheDispatcherHost(
- storage_partition_impl_->GetAppCacheService(),
- GetID()));
- AddFilter(new ClipboardMessageFilter);
- AddFilter(new DOMStorageMessageFilter(
- storage_partition_impl_->GetDOMStorageContext()));
- AddFilter(new IndexedDBDispatcherHost(
- GetID(),
- storage_partition_impl_->GetURLRequestContext(),
- storage_partition_impl_->GetIndexedDBContext(),
- ChromeBlobStorageContext::GetFor(browser_context)));
-
- gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get());
- AddFilter(gpu_message_filter_);
-#if defined(ENABLE_WEBRTC)
- AddFilter(new WebRTCIdentityServiceHost(
- GetID(),
- storage_partition_impl_->GetWebRTCIdentityStore(),
- resource_context));
- peer_connection_tracker_host_ = new PeerConnectionTrackerHost(GetID());
- AddFilter(peer_connection_tracker_host_.get());
- AddFilter(new MediaStreamDispatcherHost(
- GetID(),
- browser_context->GetResourceContext()->GetMediaDeviceIDSalt(),
- media_stream_manager));
- AddFilter(new MediaStreamTrackMetricsHost());
-#endif
-#if defined(ENABLE_PLUGINS)
- AddFilter(new PepperRendererConnection(GetID()));
-#endif
- AddFilter(new SpeechRecognitionDispatcherHost(
- GetID(), storage_partition_impl_->GetURLRequestContext()));
- AddFilter(new FileAPIMessageFilter(
- GetID(),
- storage_partition_impl_->GetURLRequestContext(),
- storage_partition_impl_->GetFileSystemContext(),
- ChromeBlobStorageContext::GetFor(browser_context),
- StreamContext::GetFor(browser_context)));
- AddFilter(new FileUtilitiesMessageFilter(GetID()));
- AddFilter(new MimeRegistryMessageFilter());
- AddFilter(new DatabaseMessageFilter(
- storage_partition_impl_->GetDatabaseTracker()));
-#if defined(OS_MACOSX)
- AddFilter(new TextInputClientMessageFilter(GetID()));
-#elif defined(OS_WIN)
- // The FontCacheDispatcher is required only when we're using GDI rendering.
- // TODO(scottmg): pdf/ppapi still require the renderer to be able to precache
- // GDI fonts (http://crbug.com/383227), even when using DirectWrite. This
- // should eventually be if (!ShouldUseDirectWrite()) guarded.
- channel_->AddFilter(new FontCacheDispatcher());
-#elif defined(OS_ANDROID)
- browser_demuxer_android_ = new BrowserDemuxerAndroid();
- AddFilter(browser_demuxer_android_.get());
-#endif
-#if defined(ENABLE_BROWSER_CDMS)
- AddFilter(new BrowserCdmManager(GetID(), NULL));
-#endif
-
- WebSocketDispatcherHost::GetRequestContextCallback
- websocket_request_context_callback(
- base::Bind(&GetRequestContext, request_context,
- media_request_context, RESOURCE_TYPE_SUB_RESOURCE));
-
- AddFilter(
- new WebSocketDispatcherHost(GetID(), websocket_request_context_callback));
-
- message_port_message_filter_ = new MessagePortMessageFilter(
- base::Bind(&RenderWidgetHelper::GetNextRoutingID,
- base::Unretained(widget_helper_.get())));
- AddFilter(message_port_message_filter_.get());
-
- scoped_refptr<CacheStorageDispatcherHost> cache_storage_filter =
- new CacheStorageDispatcherHost();
- cache_storage_filter->Init(storage_partition_impl_->GetCacheStorageContext());
- AddFilter(cache_storage_filter.get());
-
- scoped_refptr<ServiceWorkerDispatcherHost> service_worker_filter =
- new ServiceWorkerDispatcherHost(
- GetID(), message_port_message_filter_.get(), resource_context);
- service_worker_filter->Init(
- storage_partition_impl_->GetServiceWorkerContext());
- AddFilter(service_worker_filter.get());
-
- AddFilter(new SharedWorkerMessageFilter(
- GetID(),
- resource_context,
- WorkerStoragePartition(
- storage_partition_impl_->GetURLRequestContext(),
- storage_partition_impl_->GetMediaURLRequestContext(),
- storage_partition_impl_->GetAppCacheService(),
- storage_partition_impl_->GetQuotaManager(),
- storage_partition_impl_->GetFileSystemContext(),
- storage_partition_impl_->GetDatabaseTracker(),
- storage_partition_impl_->GetIndexedDBContext(),
- storage_partition_impl_->GetServiceWorkerContext()),
- message_port_message_filter_.get()));
-
-#if defined(ENABLE_WEBRTC)
- p2p_socket_dispatcher_host_ = new P2PSocketDispatcherHost(
- resource_context,
- browser_context->GetRequestContextForRenderProcess(GetID()));
- AddFilter(p2p_socket_dispatcher_host_.get());
-#endif
-
- AddFilter(new TraceMessageFilter(GetID()));
- AddFilter(new ResolveProxyMsgHelper(
- browser_context->GetRequestContextForRenderProcess(GetID())));
- AddFilter(new QuotaDispatcherHost(
- GetID(),
- storage_partition_impl_->GetQuotaManager(),
- GetContentClient()->browser()->CreateQuotaPermissionContext()));
-
- notification_message_filter_ = new NotificationMessageFilter(
- GetID(),
- storage_partition_impl_->GetPlatformNotificationContext(),
- resource_context,
- browser_context);
- AddFilter(notification_message_filter_.get());
-
- AddFilter(new GamepadBrowserMessageFilter());
- AddFilter(new DeviceLightMessageFilter());
- AddFilter(new DeviceMotionMessageFilter());
- AddFilter(new DeviceOrientationMessageFilter());
- AddFilter(new ProfilerMessageFilter(PROCESS_TYPE_RENDERER));
- AddFilter(new HistogramMessageFilter());
-#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
- if (browser_command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
- AddFilter(new MemoryBenchmarkMessageFilter());
-#endif
- AddFilter(new MemoryMessageFilter());
- AddFilter(new PushMessagingMessageFilter(
- GetID(), storage_partition_impl_->GetServiceWorkerContext()));
-#if defined(OS_ANDROID)
- AddFilter(new ScreenOrientationMessageFilterAndroid());
-#endif
- AddFilter(new GeofencingDispatcherHost(
- storage_partition_impl_->GetGeofencingManager()));
- if (browser_command_line.HasSwitch(switches::kEnableWebBluetooth)) {
- bluetooth_dispatcher_host_ = new BluetoothDispatcherHost(GetID());
- AddFilter(bluetooth_dispatcher_host_.get());
- }
-}
-
-void RenderProcessHostImpl::RegisterMojoServices() {
-#if !defined(OS_ANDROID)
- mojo_application_host_->service_registry()->AddService(
- base::Bind(&device::BatteryMonitorImpl::Create));
-
- mojo_application_host_->service_registry()->AddService(
- base::Bind(&device::VibrationManagerImpl::Create));
-#endif
-
- mojo_application_host_->service_registry()->AddService(
- base::Bind(&PermissionServiceContext::CreateService,
- base::Unretained(permission_service_context_.get())));
-
- mojo_application_host_->service_registry()->AddService(base::Bind(
- &BackgroundSyncContextImpl::CreateService,
- base::Unretained(storage_partition_impl_->GetBackgroundSyncContext())));
-
- mojo_application_host_->service_registry()->AddService(base::Bind(
- &content::ServicePortServiceImpl::Create,
- make_scoped_refptr(storage_partition_impl_->GetNavigatorConnectContext()),
- message_port_message_filter_));
-
-#if defined(OS_ANDROID)
- ServiceRegistrarAndroid::RegisterProcessHostServices(
- mojo_application_host_->service_registry_android());
-#endif
-
- GetContentClient()->browser()->RegisterRenderProcessMojoServices(
- mojo_application_host_->service_registry());
-}
-
-int RenderProcessHostImpl::GetNextRoutingID() {
- return widget_helper_->GetNextRoutingID();
-}
-
-void RenderProcessHostImpl::ResumeDeferredNavigation(
- const GlobalRequestID& request_id) {
- widget_helper_->ResumeDeferredNavigation(request_id);
-}
-
-void RenderProcessHostImpl::NotifyTimezoneChange(const std::string& zone_id) {
- Send(new ViewMsg_TimezoneChange(zone_id));
-}
-
-ServiceRegistry* RenderProcessHostImpl::GetServiceRegistry() {
- DCHECK(mojo_application_host_);
- return mojo_application_host_->service_registry();
-}
-
-const base::TimeTicks& RenderProcessHostImpl::GetInitTimeForNavigationMetrics()
- const {
- return init_time_;
-}
-
-bool RenderProcessHostImpl::SubscribeUniformEnabled() const {
- return subscribe_uniform_enabled_;
-}
-
-void RenderProcessHostImpl::OnAddSubscription(unsigned int target) {
- DCHECK(subscribe_uniform_enabled_);
- subscription_set_.insert(target);
- const gpu::ValueState* state = pending_valuebuffer_state_->GetState(target);
- if (state) {
- SendUpdateValueState(target, *state);
- }
-}
-
-void RenderProcessHostImpl::OnRemoveSubscription(unsigned int target) {
- DCHECK(subscribe_uniform_enabled_);
- subscription_set_.erase(target);
-}
-
-void RenderProcessHostImpl::SendUpdateValueState(unsigned int target,
- const gpu::ValueState& state) {
- DCHECK(subscribe_uniform_enabled_);
- if (subscription_set_.find(target) != subscription_set_.end()) {
- GpuProcessHost::SendOnIO(
- GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
- CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
- new GpuMsg_UpdateValueState(id_, target, state));
- } else {
- // Store the ValueState locally in case a Valuebuffer subscribes to it later
- pending_valuebuffer_state_->UpdateState(target, state);
- }
-}
-
-#if defined(ENABLE_BROWSER_CDMS)
-media::BrowserCdm* RenderProcessHostImpl::GetBrowserCdm(int render_frame_id,
- int cdm_id) const {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- BrowserCdmManager* manager = BrowserCdmManager::FromProcess(GetID());
- if (!manager)
- return nullptr;
- return manager->GetCdm(render_frame_id, cdm_id);
-}
-#endif
-
-void RenderProcessHostImpl::AddRoute(
- int32 routing_id,
- IPC::Listener* listener) {
- CHECK(!listeners_.Lookup(routing_id))
- << "Found Routing ID Conflict: " << routing_id;
- listeners_.AddWithID(listener, routing_id);
-}
-
-void RenderProcessHostImpl::RemoveRoute(int32 routing_id) {
- DCHECK(listeners_.Lookup(routing_id) != NULL);
- listeners_.Remove(routing_id);
-
- // Keep the one renderer thread around forever in single process mode.
- if (!run_renderer_in_process())
- Cleanup();
-}
-
-void RenderProcessHostImpl::AddObserver(RenderProcessHostObserver* observer) {
- observers_.AddObserver(observer);
-}
-
-void RenderProcessHostImpl::RemoveObserver(
- RenderProcessHostObserver* observer) {
- observers_.RemoveObserver(observer);
-}
-
-void RenderProcessHostImpl::ShutdownForBadMessage() {
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- if (command_line->HasSwitch(switches::kDisableKillAfterBadIPC))
- return;
-
- if (run_renderer_in_process()) {
- // In single process mode it is better if we don't suicide but just
- // crash.
- CHECK(false);
- }
- // We kill the renderer but don't include a NOTREACHED, because we want the
- // browser to try to survive when it gets illegal messages from the renderer.
- Shutdown(RESULT_CODE_KILLED_BAD_MESSAGE, false);
-}
-
-void RenderProcessHostImpl::WidgetRestored() {
- // Verify we were properly backgrounded.
- DCHECK_EQ(backgrounded_, (visible_widgets_ == 0));
- visible_widgets_++;
- SetBackgrounded(false);
-}
-
-void RenderProcessHostImpl::WidgetHidden() {
- // On startup, the browser will call Hide
- if (backgrounded_)
- return;
-
- DCHECK_EQ(backgrounded_, (visible_widgets_ == 0));
- visible_widgets_--;
- DCHECK_GE(visible_widgets_, 0);
- if (visible_widgets_ == 0) {
- DCHECK(!backgrounded_);
- SetBackgrounded(true);
- }
-}
-
-int RenderProcessHostImpl::VisibleWidgetCount() const {
- return visible_widgets_;
-}
-
-bool RenderProcessHostImpl::IsForGuestsOnly() const {
- return is_for_guests_only_;
-}
-
-StoragePartition* RenderProcessHostImpl::GetStoragePartition() const {
- return storage_partition_impl_;
-}
-
-static void AppendCompositorCommandLineFlags(base::CommandLine* command_line) {
- if (IsPropertyTreeVerificationEnabled())
- command_line->AppendSwitch(cc::switches::kEnablePropertyTreeVerification);
-
- command_line->AppendSwitchASCII(
- switches::kNumRasterThreads,
- base::IntToString(NumberOfRendererRasterThreads()));
-
- if (IsGpuRasterizationEnabled())
- command_line->AppendSwitch(switches::kEnableGpuRasterization);
-
- int msaa_sample_count = GpuRasterizationMSAASampleCount();
- if (msaa_sample_count >= 0) {
- command_line->AppendSwitchASCII(
- switches::kGpuRasterizationMSAASampleCount,
- base::IntToString(msaa_sample_count));
- }
-
- if (IsZeroCopyUploadEnabled())
- command_line->AppendSwitch(switches::kEnableZeroCopy);
- if (IsPersistentGpuMemoryBufferEnabled())
- command_line->AppendSwitch(switches::kEnablePersistentGpuMemoryBuffer);
-
- if (IsForceGpuRasterizationEnabled())
- command_line->AppendSwitch(switches::kForceGpuRasterization);
-
- gfx::BufferUsage buffer_usage = IsPersistentGpuMemoryBufferEnabled()
- ? gfx::BufferUsage::PERSISTENT_MAP
- : gfx::BufferUsage::MAP;
- std::vector<unsigned> image_targets(
- static_cast<size_t>(gfx::BufferFormat::LAST) + 1, GL_TEXTURE_2D);
- for (size_t format = 0;
- format < static_cast<size_t>(gfx::BufferFormat::LAST) + 1; format++) {
- image_targets[format] =
- BrowserGpuMemoryBufferManager::GetImageTextureTarget(
- static_cast<gfx::BufferFormat>(format), buffer_usage);
- }
- command_line->AppendSwitchASCII(switches::kContentImageTextureTarget,
- UintVectorToString(image_targets));
-
- command_line->AppendSwitchASCII(
- switches::kVideoImageTextureTarget,
- base::UintToString(BrowserGpuMemoryBufferManager::GetImageTextureTarget(
- gfx::BufferFormat::R_8, gfx::BufferUsage::MAP)));
-
- // Appending disable-gpu-feature switches due to software rendering list.
- GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
- DCHECK(gpu_data_manager);
- gpu_data_manager->AppendRendererCommandLine(command_line);
-}
-
-void RenderProcessHostImpl::AppendRendererCommandLine(
- base::CommandLine* command_line) const {
- // Pass the process type first, so it shows first in process listings.
- command_line->AppendSwitchASCII(switches::kProcessType,
- switches::kRendererProcess);
-
- // Now send any options from our own command line we want to propagate.
- const base::CommandLine& browser_command_line =
- *base::CommandLine::ForCurrentProcess();
- PropagateBrowserCommandLineToRenderer(browser_command_line, command_line);
-
- // Pass on the browser locale.
- const std::string locale =
- GetContentClient()->browser()->GetApplicationLocale();
- command_line->AppendSwitchASCII(switches::kLang, locale);
-
- // If we run base::FieldTrials, we want to pass to their state to the
- // renderer so that it can act in accordance with each state, or record
- // histograms relating to the base::FieldTrial states.
- std::string field_trial_states;
- base::FieldTrialList::AllStatesToString(&field_trial_states);
- if (!field_trial_states.empty()) {
- command_line->AppendSwitchASCII(switches::kForceFieldTrials,
- field_trial_states);
- }
-
- GetContentClient()->browser()->AppendExtraCommandLineSwitches(
- command_line, GetID());
-
- if (IsPinchToZoomEnabled())
- command_line->AppendSwitch(switches::kEnablePinch);
-
-#if defined(OS_WIN)
- command_line->AppendSwitchASCII(switches::kDeviceScaleFactor,
- base::DoubleToString(gfx::GetDPIScale()));
-#endif
-
- AppendCompositorCommandLineFlags(command_line);
-}
-
-void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
- const base::CommandLine& browser_cmd,
- base::CommandLine* renderer_cmd) const {
- // Propagate the following switches to the renderer command line (along
- // with any associated values) if present in the browser command line.
- static const char* const kSwitchNames[] = {
- switches::kAllowLoopbackInPeerConnection,
- switches::kAudioBufferSize,
- switches::kBlinkPlatformLogChannels,
- switches::kBlinkSettings,
- switches::kDefaultTileWidth,
- switches::kDefaultTileHeight,
- switches::kDisable3DAPIs,
- switches::kDisableAcceleratedJpegDecoding,
- switches::kDisableAcceleratedVideoDecode,
- switches::kDisableBlinkFeatures,
- switches::kDisableBreakpad,
- switches::kDisablePreferCompositingToLCDText,
- switches::kDisableDatabases,
- switches::kDisableDelayAgnosticAec,
- switches::kDisableDirectNPAPIRequests,
- switches::kDisableDisplayList2dCanvas,
- switches::kDisableDistanceFieldText,
- switches::kDisableEncryptedMedia,
- switches::kDisableFeatures,
- switches::kDisableFileSystem,
- switches::kDisableGpuCompositing,
- switches::kDisableGpuMemoryBufferVideoFrames,
- switches::kDisableGpuVsync,
- switches::kDisableLowResTiling,
- switches::kDisableHistogramCustomizer,
- switches::kDisableIconNtp,
- switches::kDisableLCDText,
- switches::kDisableLocalStorage,
- switches::kDisableLogging,
- switches::kDisableMediaSource,
- switches::kDisableMojoChannel,
- switches::kDisableNotifications,
- switches::kDisableOverlayScrollbar,
- switches::kDisablePermissionsAPI,
- switches::kDisablePresentationAPI,
- switches::kDisablePinch,
- switches::kDisableRGBA4444Textures,
- switches::kDisableSeccompFilterSandbox,
- switches::kDisableSharedWorkers,
- switches::kDisableSpeechAPI,
- switches::kDisableSVG1DOM,
- switches::kDisableThreadedCompositing,
- switches::kDisableThreadedScrolling,
- switches::kDisableTouchAdjustment,
- switches::kDisableTouchDragDrop,
- switches::kDisableTouchEditing,
- switches::kDisableV8IdleTasks,
- switches::kDomAutomationController,
- switches::kEnableBleedingEdgeRenderingFastPaths,
- switches::kEnableBlinkFeatures,
- switches::kEnableBrowserSideNavigation,
- switches::kEnableCompositorAnimationTimelines,
- switches::kEnableCredentialManagerAPI,
- switches::kEnableDisplayList2dCanvas,
- switches::kEnableDistanceFieldText,
- switches::kEnableExperimentalCanvasFeatures,
- switches::kEnableExperimentalWebPlatformFeatures,
- switches::kEnableFeatures,
- switches::kEnableGPUClientLogging,
- switches::kEnableGpuClientTracing,
- switches::kEnableGpuMemoryBufferVideoFrames,
- switches::kEnableGPUServiceLogging,
- switches::kEnableIconNtp,
- switches::kEnableLinkDisambiguationPopup,
- switches::kEnableLowResTiling,
- switches::kEnableInbandTextTracks,
- switches::kEnableLCDText,
- switches::kEnableLogging,
- switches::kEnableMemoryBenchmarking,
- switches::kEnableNetworkInformation,
- switches::kEnableOverlayScrollbar,
- switches::kEnablePinch,
- switches::kEnablePluginPlaceholderTesting,
- switches::kEnablePreciseMemoryInfo,
- switches::kEnablePreferCompositingToLCDText,
- switches::kEnablePrefixedEncryptedMedia,
- switches::kEnablePushMessagePayload,
- switches::kEnableRGBA4444Textures,
- switches::kEnableRendererMojoChannel,
- switches::kEnableRTCSmoothnessAlgorithm,
- switches::kEnableSeccompFilterSandbox,
- switches::kEnableSkiaBenchmarking,
- switches::kEnableSlimmingPaintV2,
- switches::kEnableSmoothScrolling,
- switches::kEnableStatsTable,
- switches::kEnableThreadedCompositing,
- switches::kEnableTouchDragDrop,
- switches::kEnableTouchEditing,
- switches::kEnableUnsafeES3APIs,
- switches::kEnableViewport,
- switches::kEnableVtune,
- switches::kEnableWebBluetooth,
- switches::kEnableWebGLDraftExtensions,
- switches::kEnableWebGLImageChromium,
- switches::kEnableWebVR,
- switches::kExplicitlyAllowedPorts,
- switches::kForceDeviceScaleFactor,
- switches::kForceDisplayList2dCanvas,
- switches::kForceOverlayFullscreenVideo,
- switches::kFullMemoryCrashReport,
- switches::kInertVisualViewport,
- switches::kIPCConnectionTimeout,
- switches::kJavaScriptFlags,
- switches::kLoggingLevel,
- switches::kMainFrameResizesAreOrientationChanges,
- switches::kMaxUntiledLayerWidth,
- switches::kMaxUntiledLayerHeight,
- switches::kMemoryMetrics,
- switches::kNoReferrers,
- switches::kNoSandbox,
- switches::kOverridePluginPowerSaverForTesting,
- switches::kPpapiInProcess,
- switches::kProfilerTiming,
- switches::kReducedReferrerGranularity,
- switches::kReduceSecurityForTesting,
- switches::kRegisterPepperPlugins,
- switches::kRendererStartupDialog,
- switches::kRootLayerScrolls,
- switches::kShowPaintRects,
- switches::kSitePerProcess,
- switches::kStatsCollectionController,
- switches::kTestType,
- switches::kTouchEvents,
- switches::kTouchTextSelectionStrategy,
- switches::kTraceConfigFile,
- switches::kTraceToConsole,
- // This flag needs to be propagated to the renderer process for
- // --in-process-webgl.
- switches::kUseGL,
- switches::kUseMobileUserAgent,
- switches::kUseNormalPriorityForTileTaskWorkerThreads,
- switches::kV,
- switches::kVideoThreads,
- switches::kVideoUnderflowThresholdMs,
- switches::kVModule,
- // Please keep these in alphabetical order. Compositor switches here should
- // also be added to chrome/browser/chromeos/login/chrome_restart_request.cc.
- cc::switches::kDisableCompositedAntialiasing,
- cc::switches::kDisableMainFrameBeforeActivation,
- cc::switches::kDisableThreadedAnimation,
- cc::switches::kEnableBeginFrameScheduling,
- cc::switches::kEnableGpuBenchmarking,
- cc::switches::kEnableMainFrameBeforeActivation,
- cc::switches::kShowCompositedLayerBorders,
- cc::switches::kShowFPSCounter,
- cc::switches::kShowLayerAnimationBounds,
- cc::switches::kShowPropertyChangedRects,
- cc::switches::kShowReplicaScreenSpaceRects,
- cc::switches::kShowScreenSpaceRects,
- cc::switches::kShowSurfaceDamageRects,
- cc::switches::kSlowDownRasterScaleFactor,
- cc::switches::kStrictLayerPropertyChangeChecking,
- cc::switches::kTopControlsHideThreshold,
- cc::switches::kTopControlsShowThreshold,
-
-#if defined(ENABLE_PLUGINS)
- switches::kEnablePepperTesting,
-#endif
-#if defined(ENABLE_WEBRTC)
- switches::kDisableWebRtcHWDecoding,
- switches::kDisableWebRtcHWEncoding,
- switches::kEnableWebRtcDtls12,
- switches::kEnableWebRtcHWH264Encoding,
- switches::kEnableWebRtcStunOrigin,
- switches::kWebRtcMaxCaptureFramerate,
-#endif
- switches::kEnableLowEndDeviceMode,
- switches::kDisableLowEndDeviceMode,
-#if defined(OS_ANDROID)
- switches::kDisableGestureRequirementForMediaPlayback,
- switches::kDisableWebAudio,
- switches::kRendererWaitForJavaDebugger,
-#endif
-#if defined(OS_MACOSX)
- // Allow this to be set when invoking the browser and relayed along.
- switches::kEnableSandboxLogging,
-#endif
-#if defined(OS_WIN)
- switches::kDisableDirectWrite,
- switches::kDisableWin32kRendererLockDown,
- switches::kTraceExportEventsToETW,
-#endif
-#if defined(USE_OZONE)
- switches::kOzonePlatform,
-#endif
-#if defined(OS_CHROMEOS)
- switches::kDisableVaapiAcceleratedVideoEncode,
-#endif
- };
- renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
- arraysize(kSwitchNames));
-
- if (browser_cmd.HasSwitch(switches::kTraceStartup) &&
- BrowserMainLoop::GetInstance()->is_tracing_startup_for_duration()) {
- // Pass kTraceStartup switch to renderer only if startup tracing has not
- // finished.
- renderer_cmd->AppendSwitchASCII(
- switches::kTraceStartup,
- browser_cmd.GetSwitchValueASCII(switches::kTraceStartup));
- }
-
-#if defined(ENABLE_WEBRTC)
- // Only run the Stun trials in the first renderer.
- if (!has_done_stun_trials &&
- browser_cmd.HasSwitch(switches::kWebRtcStunProbeTrialParameter)) {
- has_done_stun_trials = true;
- renderer_cmd->AppendSwitchASCII(
- switches::kWebRtcStunProbeTrialParameter,
- browser_cmd.GetSwitchValueASCII(
- switches::kWebRtcStunProbeTrialParameter));
- }
-#endif
-
- // Disable databases in incognito mode.
- if (GetBrowserContext()->IsOffTheRecord() &&
- !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
- renderer_cmd->AppendSwitch(switches::kDisableDatabases);
- }
-
- // Add kWaitForDebugger to let renderer process wait for a debugger.
- if (browser_cmd.HasSwitch(switches::kWaitForDebuggerChildren)) {
- // Look to pass-on the kWaitForDebugger flag.
- std::string value =
- browser_cmd.GetSwitchValueASCII(switches::kWaitForDebuggerChildren);
- if (value.empty() || value == switches::kRendererProcess) {
- renderer_cmd->AppendSwitch(switches::kWaitForDebugger);
- }
- }
-}
-
-base::ProcessHandle RenderProcessHostImpl::GetHandle() const {
- if (run_renderer_in_process())
- return base::GetCurrentProcessHandle();
-
- if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
- return base::kNullProcessHandle;
-
- return child_process_launcher_->GetProcess().Handle();
-}
-
-bool RenderProcessHostImpl::Shutdown(int exit_code, bool wait) {
- if (run_renderer_in_process())
- return false; // Single process mode never shuts down the renderer.
-
-#if defined(OS_ANDROID)
- // Android requires a different approach for killing.
- StopChildProcess(GetHandle());
- return true;
-#else
- if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
- return false;
-
- return child_process_launcher_->GetProcess().Terminate(exit_code, wait);
-#endif
-}
-
-bool RenderProcessHostImpl::FastShutdownIfPossible() {
- if (run_renderer_in_process())
- return false; // Single process mode never shuts down the renderer.
-
- if (!GetContentClient()->browser()->IsFastShutdownPossible())
- return false;
-
- if (!child_process_launcher_.get() ||
- child_process_launcher_->IsStarting() ||
- !GetHandle())
- return false; // Render process hasn't started or is probably crashed.
-
- // Test if there's an unload listener.
- // NOTE: It's possible that an onunload listener may be installed
- // while we're shutting down, so there's a small race here. Given that
- // the window is small, it's unlikely that the web page has much
- // state that will be lost by not calling its unload handlers properly.
- if (!SuddenTerminationAllowed())
- return false;
-
- if (worker_ref_count_ != 0) {
- if (survive_for_worker_start_time_.is_null())
- survive_for_worker_start_time_ = base::TimeTicks::Now();
- return false;
- }
-
- // Set this before ProcessDied() so observers can tell if the render process
- // died due to fast shutdown versus another cause.
- fast_shutdown_started_ = true;
-
- ProcessDied(false /* already_dead */, nullptr);
- return true;
-}
-
-bool RenderProcessHostImpl::Send(IPC::Message* msg) {
- TRACE_EVENT0("renderer_host", "RenderProcessHostImpl::Send");
- if (!channel_) {
- if (!is_initialized_) {
- queued_messages_.push(msg);
- return true;
- } else {
- delete msg;
- return false;
- }
- }
-
- if (child_process_launcher_.get() && child_process_launcher_->IsStarting()) {
- queued_messages_.push(msg);
- return true;
- }
-
- return channel_->Send(msg);
-}
-
-bool RenderProcessHostImpl::OnMessageReceived(const IPC::Message& msg) {
- // If we're about to be deleted, or have initiated the fast shutdown sequence,
- // we ignore incoming messages.
-
- if (deleting_soon_ || fast_shutdown_started_)
- return false;
-
- mark_child_process_activity_time();
- if (msg.routing_id() == MSG_ROUTING_CONTROL) {
- // Dispatch control messages.
- IPC_BEGIN_MESSAGE_MAP(RenderProcessHostImpl, msg)
- IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ShutdownRequest,
- OnShutdownRequest)
- IPC_MESSAGE_HANDLER(RenderProcessHostMsg_SuddenTerminationChanged,
- SuddenTerminationChanged)
- IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
- OnUserMetricsRecordAction)
- IPC_MESSAGE_HANDLER(ViewHostMsg_SavedPageAsMHTML, OnSavedPageAsMHTML)
- IPC_MESSAGE_HANDLER(ViewHostMsg_Close_ACK, OnCloseACK)
-#if defined(ENABLE_WEBRTC)
- IPC_MESSAGE_HANDLER(AecDumpMsg_RegisterAecDumpConsumer,
- OnRegisterAecDumpConsumer)
- IPC_MESSAGE_HANDLER(AecDumpMsg_UnregisterAecDumpConsumer,
- OnUnregisterAecDumpConsumer)
-#endif
- // Adding single handlers for your service here is fine, but once your
- // service needs more than one handler, please extract them into a new
- // message filter and add that filter to CreateMessageFilters().
- IPC_END_MESSAGE_MAP()
-
- return true;
- }
-
- // Dispatch incoming messages to the appropriate IPC::Listener.
- IPC::Listener* listener = listeners_.Lookup(msg.routing_id());
- if (!listener) {
- if (msg.is_sync()) {
- // The listener has gone away, so we must respond or else the caller will
- // hang waiting for a reply.
- IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg);
- reply->set_reply_error();
- Send(reply);
- }
- return true;
- }
- return listener->OnMessageReceived(msg);
-}
-
-void RenderProcessHostImpl::OnChannelConnected(int32 peer_pid) {
-#if defined(IPC_MESSAGE_LOG_ENABLED)
- Send(new ChildProcessMsg_SetIPCLoggingEnabled(
- IPC::Logging::GetInstance()->Enabled()));
-#endif
-
- tracked_objects::ThreadData::Status status =
- tracked_objects::ThreadData::status();
- Send(new ChildProcessMsg_SetProfilerStatus(status));
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
- io_surface_manager_token_ =
- BrowserIOSurfaceManager::GetInstance()->GenerateChildProcessToken(
- GetID());
- Send(new ChildProcessMsg_SetIOSurfaceManagerToken(io_surface_manager_token_));
-#endif
-
-#if defined(USE_OZONE)
- Send(new ChildProcessMsg_InitializeClientNativePixmapFactory(
- base::FileDescriptor(
- ui::OzonePlatform::GetInstance()->OpenClientNativePixmapDevice())));
-#endif
-
- // Inform AudioInputRendererHost about the new render process PID.
- // AudioInputRendererHost is reference counted, so it's lifetime is
- // guarantueed during the lifetime of the closure.
- BrowserThread::PostTask(
- BrowserThread::IO, FROM_HERE,
- base::Bind(&AudioInputRendererHost::set_renderer_pid,
- audio_input_renderer_host_,
- peer_pid));
-}
-
-void RenderProcessHostImpl::OnChannelError() {
- ProcessDied(true /* already_dead */, nullptr);
-}
-
-void RenderProcessHostImpl::OnBadMessageReceived(const IPC::Message& message) {
- // Message de-serialization failed. We consider this a capital crime. Kill the
- // renderer if we have one.
- auto type = message.type();
- LOG(ERROR) << "bad message " << type << " terminating renderer.";
- BrowserChildProcessHostImpl::HistogramBadMessageTerminated(
- PROCESS_TYPE_RENDERER);
-
- // Create a memory dump. This will contain enough stack frames to work out
- // what the bad message was.
- base::debug::Alias(&type);
- base::debug::DumpWithoutCrashing();
-
- bad_message::ReceivedBadMessage(this,
- bad_message::RPH_DESERIALIZATION_FAILED);
-}
-
-BrowserContext* RenderProcessHostImpl::GetBrowserContext() const {
- return browser_context_;
-}
-
-bool RenderProcessHostImpl::InSameStoragePartition(
- StoragePartition* partition) const {
- return storage_partition_impl_ == partition;
-}
-
-int RenderProcessHostImpl::GetID() const {
- return id_;
-}
-
-bool RenderProcessHostImpl::HasConnection() const {
- return channel_.get() != NULL;
-}
-
-void RenderProcessHostImpl::SetIgnoreInputEvents(bool ignore_input_events) {
- ignore_input_events_ = ignore_input_events;
-}
-
-bool RenderProcessHostImpl::IgnoreInputEvents() const {
- return ignore_input_events_;
-}
-
-void RenderProcessHostImpl::Cleanup() {
- // If within_process_died_observer_ is true, one of our observers performed an
- // action that caused us to die (e.g. http://crbug.com/339504). Therefore,
- // delay the destruction until all of the observer callbacks have been made,
- // and guarantee that the RenderProcessHostDestroyed observer callback is
- // always the last callback fired.
- if (within_process_died_observer_) {
- delayed_cleanup_needed_ = true;
- return;
- }
- delayed_cleanup_needed_ = false;
-
- // Records the time when the process starts surviving for workers for UMA.
- if (listeners_.IsEmpty() && worker_ref_count_ > 0 &&
- survive_for_worker_start_time_.is_null()) {
- survive_for_worker_start_time_ = base::TimeTicks::Now();
- }
-
- // When there are no other owners of this object, we can delete ourselves.
- if (listeners_.IsEmpty() && worker_ref_count_ == 0) {
- if (!survive_for_worker_start_time_.is_null()) {
- UMA_HISTOGRAM_LONG_TIMES(
- "SharedWorker.RendererSurviveForWorkerTime",
- base::TimeTicks::Now() - survive_for_worker_start_time_);
- }
-
- if (max_worker_count_ > 0) {
- // Record the max number of workers (SharedWorker or ServiceWorker)
- // that are simultaneously hosted in this renderer process.
- UMA_HISTOGRAM_COUNTS("Render.Workers.MaxWorkerCountInRendererProcess",
- max_worker_count_);
- }
-
- // We cannot clean up twice; if this fails, there is an issue with our
- // control flow.
- DCHECK(!deleting_soon_);
-
- DCHECK_EQ(0, pending_views_);
- FOR_EACH_OBSERVER(RenderProcessHostObserver,
- observers_,
- RenderProcessHostDestroyed(this));
- NotificationService::current()->Notify(
- NOTIFICATION_RENDERER_PROCESS_TERMINATED,
- Source<RenderProcessHost>(this),
- NotificationService::NoDetails());
-
-#ifndef NDEBUG
- is_self_deleted_ = true;
-#endif
- base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
- deleting_soon_ = true;
- // It's important not to wait for the DeleteTask to delete the channel
- // proxy. Kill it off now. That way, in case the profile is going away, the
- // rest of the objects attached to this RenderProcessHost start going
- // away first, since deleting the channel proxy will post a
- // OnChannelClosed() to IPC::ChannelProxy::Context on the IO thread.
- channel_.reset();
-
- // The following members should be cleared in ProcessDied() as well!
- gpu_message_filter_ = NULL;
- message_port_message_filter_ = NULL;
-
- RemoveUserData(kSessionStorageHolderKey);
-
- // Remove ourself from the list of renderer processes so that we can't be
- // reused in between now and when the Delete task runs.
- UnregisterHost(GetID());
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
- if (!io_surface_manager_token_.IsZero()) {
- BrowserIOSurfaceManager::GetInstance()->InvalidateChildProcessToken(
- io_surface_manager_token_);
- io_surface_manager_token_.SetZero();
- }
-#endif
- }
-}
-
-void RenderProcessHostImpl::AddPendingView() {
- pending_views_++;
-}
-
-void RenderProcessHostImpl::RemovePendingView() {
- DCHECK(pending_views_);
- pending_views_--;
-}
-
-void RenderProcessHostImpl::SetSuddenTerminationAllowed(bool enabled) {
- sudden_termination_allowed_ = enabled;
-}
-
-bool RenderProcessHostImpl::SuddenTerminationAllowed() const {
- return sudden_termination_allowed_;
-}
-
-base::TimeDelta RenderProcessHostImpl::GetChildProcessIdleTime() const {
- return base::TimeTicks::Now() - child_process_activity_time_;
-}
-
-void RenderProcessHostImpl::ResumeRequestsForView(int route_id) {
- widget_helper_->ResumeRequestsForView(route_id);
-}
-
-void RenderProcessHostImpl::FilterURL(bool empty_allowed, GURL* url) {
- FilterURL(this, empty_allowed, url);
-}
-
-#if defined(ENABLE_WEBRTC)
-void RenderProcessHostImpl::EnableAudioDebugRecordings(
- const base::FilePath& file) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
- // Enable AEC dump for each registered consumer.
- base::FilePath file_with_extensions =
- GetAecDumpFilePathWithExtensions(file);
- for (std::vector<int>::iterator it = aec_dump_consumers_.begin();
- it != aec_dump_consumers_.end(); ++it) {
- EnableAecDumpForId(file_with_extensions, *it);
- }
-
- // Enable mic input recording. AudioInputRendererHost is reference counted, so
- // it's lifetime is guarantueed during the lifetime of the closure.
- BrowserThread::PostTask(
- BrowserThread::IO, FROM_HERE,
- base::Bind(&AudioInputRendererHost::EnableDebugRecording,
- audio_input_renderer_host_,
- file));
-}
-
-void RenderProcessHostImpl::DisableAudioDebugRecordings() {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
- // Posting on the FILE thread and then replying back on the UI thread is only
- // for avoiding races between enable and disable. Nothing is done on the FILE
- // thread.
- BrowserThread::PostTaskAndReply(
- BrowserThread::FILE, FROM_HERE,
- base::Bind(&DisableAecDumpOnFileThread),
- base::Bind(&RenderProcessHostImpl::SendDisableAecDumpToRenderer,
- weak_factory_.GetWeakPtr()));
-
- // AudioInputRendererHost is reference counted, so it's lifetime is
- // guaranteed during the lifetime of the closure.
- BrowserThread::PostTask(
- BrowserThread::IO, FROM_HERE,
- base::Bind(
- &AudioInputRendererHost::DisableDebugRecording,
- audio_input_renderer_host_));
-}
-
-void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
- base::Callback<void(const std::string&)> callback) {
- webrtc_log_message_callback_ = callback;
-}
-
-RenderProcessHostImpl::WebRtcStopRtpDumpCallback
-RenderProcessHostImpl::StartRtpDump(
- bool incoming,
- bool outgoing,
- const WebRtcRtpPacketCallback& packet_callback) {
- if (!p2p_socket_dispatcher_host_.get())
- return WebRtcStopRtpDumpCallback();
-
- BrowserThread::PostTask(BrowserThread::IO,
- FROM_HERE,
- base::Bind(&P2PSocketDispatcherHost::StartRtpDump,
- p2p_socket_dispatcher_host_,
- incoming,
- outgoing,
- packet_callback));
-
- if (stop_rtp_dump_callback_.is_null()) {
- stop_rtp_dump_callback_ =
- base::Bind(&P2PSocketDispatcherHost::StopRtpDumpOnUIThread,
- p2p_socket_dispatcher_host_);
- }
- return stop_rtp_dump_callback_;
-}
-#endif
-
-IPC::ChannelProxy* RenderProcessHostImpl::GetChannel() {
- return channel_.get();
-}
-
-void RenderProcessHostImpl::AddFilter(BrowserMessageFilter* filter) {
- channel_->AddFilter(filter->GetFilter());
-}
-
-bool RenderProcessHostImpl::FastShutdownForPageCount(size_t count) {
- if (GetActiveViewCount() == count)
- return FastShutdownIfPossible();
- return false;
-}
-
-bool RenderProcessHostImpl::FastShutdownStarted() const {
- return fast_shutdown_started_;
-}
-
-// static
-void RenderProcessHostImpl::RegisterHost(int host_id, RenderProcessHost* host) {
- g_all_hosts.Get().AddWithID(host, host_id);
-}
-
-// static
-void RenderProcessHostImpl::UnregisterHost(int host_id) {
- RenderProcessHost* host = g_all_hosts.Get().Lookup(host_id);
- if (!host)
- return;
-
- g_all_hosts.Get().Remove(host_id);
-
- // Look up the map of site to process for the given browser_context,
- // in case we need to remove this process from it. It will be registered
- // under any sites it rendered that use process-per-site mode.
- SiteProcessMap* map =
- GetSiteProcessMapForBrowserContext(host->GetBrowserContext());
- map->RemoveProcess(host);
-}
-
-// static
-void RenderProcessHostImpl::FilterURL(RenderProcessHost* rph,
- bool empty_allowed,
- GURL* url) {
- ChildProcessSecurityPolicyImpl* policy =
- ChildProcessSecurityPolicyImpl::GetInstance();
-
- if (empty_allowed && url->is_empty())
- return;
-
- // The browser process should never hear the swappedout:// URL from any
- // of the renderer's messages. Check for this in debug builds, but don't
- // let it crash a release browser.
- DCHECK(GURL(kSwappedOutURL) != *url);
-
- if (!url->is_valid()) {
- // Have to use about:blank for the denied case, instead of an empty GURL.
- // This is because the browser treats navigation to an empty GURL as a
- // navigation to the home page. This is often a privileged page
- // (chrome://newtab/) which is exactly what we don't want.
- *url = GURL(url::kAboutBlankURL);
- return;
- }
-
- if (url->SchemeIs(url::kAboutScheme)) {
- // The renderer treats all URLs in the about: scheme as being about:blank.
- // Canonicalize about: URLs to about:blank.
- *url = GURL(url::kAboutBlankURL);
- }
-
- // Do not allow browser plugin guests to navigate to non-web URLs, since they
- // cannot swap processes or grant bindings.
- bool non_web_url_in_guest = rph->IsForGuestsOnly() &&
- !(url->is_valid() && policy->IsWebSafeScheme(url->scheme()));
-
- if (non_web_url_in_guest || !policy->CanRequestURL(rph->GetID(), *url)) {
- // If this renderer is not permitted to request this URL, we invalidate the
- // URL. This prevents us from storing the blocked URL and becoming confused
- // later.
- VLOG(1) << "Blocked URL " << url->spec();
- *url = GURL(url::kAboutBlankURL);
- }
-}
-
-// static
-bool RenderProcessHostImpl::IsSuitableHost(
- RenderProcessHost* host,
- BrowserContext* browser_context,
- const GURL& site_url) {
- if (run_renderer_in_process())
- return true;
-
- if (host->GetBrowserContext() != browser_context)
- return false;
-
- // Do not allow sharing of guest hosts. This is to prevent bugs where guest
- // and non-guest storage gets mixed. In the future, we might consider enabling
- // the sharing of guests, in this case this check should be removed and
- // InSameStoragePartition should handle the possible sharing.
- if (host->IsForGuestsOnly())
- return false;
-
- // Check whether the given host and the intended site_url will be using the
- // same StoragePartition, since a RenderProcessHost can only support a single
- // StoragePartition. This is relevant for packaged apps.
- StoragePartition* dest_partition =
- BrowserContext::GetStoragePartitionForSite(browser_context, site_url);
- if (!host->InSameStoragePartition(dest_partition))
- return false;
-
- // TODO(nick): Consult the SiteIsolationPolicy here. https://crbug.com/513036
- if (ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings(
- host->GetID()) !=
- WebUIControllerFactoryRegistry::GetInstance()->UseWebUIBindingsForURL(
- browser_context, site_url)) {
- return false;
- }
-
- return GetContentClient()->browser()->IsSuitableHost(host, site_url);
-}
-
-// static
-bool RenderProcessHost::run_renderer_in_process() {
- return g_run_renderer_in_process_;
-}
-
-// static
-void RenderProcessHost::SetRunRendererInProcess(bool value) {
- g_run_renderer_in_process_ = value;
-
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- if (value) {
- if (!command_line->HasSwitch(switches::kLang)) {
- // Modify the current process' command line to include the browser locale,
- // as the renderer expects this flag to be set.
- const std::string locale =
- GetContentClient()->browser()->GetApplicationLocale();
- command_line->AppendSwitchASCII(switches::kLang, locale);
- }
- // TODO(piman): we should really send configuration through bools rather
- // than by parsing strings, i.e. sending an IPC rather than command line
- // args. crbug.com/314909
- AppendCompositorCommandLineFlags(command_line);
- }
-}
-
-// static
-RenderProcessHost::iterator RenderProcessHost::AllHostsIterator() {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- return iterator(g_all_hosts.Pointer());
-}
-
-// static
-RenderProcessHost* RenderProcessHost::FromID(int render_process_id) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- return g_all_hosts.Get().Lookup(render_process_id);
-}
-
-// static
-bool RenderProcessHost::ShouldTryToUseExistingProcessHost(
- BrowserContext* browser_context, const GURL& url) {
- // If --site-per-process is enabled, do not try to reuse renderer processes
- // when over the limit.
- // TODO(nick): This is overly conservative and isn't launchable. Move this
- // logic into IsSuitableHost, and check |url| against the URL the process is
- // dedicated to. This will allow pages from the same site to share, and will
- // also allow non-isolated sites to share processes. https://crbug.com/513036
- if (SiteIsolationPolicy::AreCrossProcessFramesPossible())
- return false;
-
- if (run_renderer_in_process())
- return true;
-
- // NOTE: Sometimes it's necessary to create more render processes than
- // GetMaxRendererProcessCount(), for instance when we want to create
- // a renderer process for a browser context that has no existing
- // renderers. This is OK in moderation, since the
- // GetMaxRendererProcessCount() is conservative.
- if (g_all_hosts.Get().size() >= GetMaxRendererProcessCount())
- return true;
-
- return GetContentClient()->browser()->
- ShouldTryToUseExistingProcessHost(browser_context, url);
-}
-
-// static
-RenderProcessHost* RenderProcessHost::GetExistingProcessHost(
- BrowserContext* browser_context,
- const GURL& site_url) {
- // First figure out which existing renderers we can use.
- std::vector<RenderProcessHost*> suitable_renderers;
- suitable_renderers.reserve(g_all_hosts.Get().size());
-
- iterator iter(AllHostsIterator());
- while (!iter.IsAtEnd()) {
- if (GetContentClient()->browser()->MayReuseHost(iter.GetCurrentValue()) &&
- RenderProcessHostImpl::IsSuitableHost(
- iter.GetCurrentValue(),
- browser_context, site_url)) {
- suitable_renderers.push_back(iter.GetCurrentValue());
- }
- iter.Advance();
- }
-
- // Now pick a random suitable renderer, if we have any.
- if (!suitable_renderers.empty()) {
- int suitable_count = static_cast<int>(suitable_renderers.size());
- int random_index = base::RandInt(0, suitable_count - 1);
- return suitable_renderers[random_index];
- }
-
- return NULL;
-}
-
-// static
-bool RenderProcessHost::ShouldUseProcessPerSite(
- BrowserContext* browser_context,
- const GURL& url) {
- // Returns true if we should use the process-per-site model. This will be
- // the case if the --process-per-site switch is specified, or in
- // process-per-site-instance for particular sites (e.g., WebUI).
- // Note that --single-process is handled in ShouldTryToUseExistingProcessHost.
- const base::CommandLine& command_line =
- *base::CommandLine::ForCurrentProcess();
- if (command_line.HasSwitch(switches::kProcessPerSite))
- return true;
-
- // We want to consolidate particular sites like WebUI even when we are using
- // the process-per-tab or process-per-site-instance models.
- // Note: DevTools pages have WebUI type but should not reuse the same host.
- if (WebUIControllerFactoryRegistry::GetInstance()->UseWebUIForURL(
- browser_context, url) &&
- !url.SchemeIs(kChromeDevToolsScheme)) {
- return true;
- }
-
- // Otherwise let the content client decide, defaulting to false.
- return GetContentClient()->browser()->ShouldUseProcessPerSite(browser_context,
- url);
-}
-
-// static
-RenderProcessHost* RenderProcessHostImpl::GetProcessHostForSite(
- BrowserContext* browser_context,
- const GURL& url) {
- // Look up the map of site to process for the given browser_context.
- SiteProcessMap* map =
- GetSiteProcessMapForBrowserContext(browser_context);
-
- // See if we have an existing process with appropriate bindings for this site.
- // If not, the caller should create a new process and register it.
- std::string site = SiteInstance::GetSiteForURL(browser_context, url)
- .possibly_invalid_spec();
- RenderProcessHost* host = map->FindProcess(site);
- if (host && (!GetContentClient()->browser()->MayReuseHost(host) ||
- !IsSuitableHost(host, browser_context, url))) {
- // The registered process does not have an appropriate set of bindings for
- // the url. Remove it from the map so we can register a better one.
- RecordAction(
- base::UserMetricsAction("BindingsMismatch_GetProcessHostPerSite"));
- map->RemoveProcess(host);
- host = NULL;
- }
-
- return host;
-}
-
-void RenderProcessHostImpl::RegisterProcessHostForSite(
- BrowserContext* browser_context,
- RenderProcessHost* process,
- const GURL& url) {
- // Look up the map of site to process for the given browser_context.
- SiteProcessMap* map =
- GetSiteProcessMapForBrowserContext(browser_context);
-
- // Only register valid, non-empty sites. Empty or invalid sites will not
- // use process-per-site mode. We cannot check whether the process has
- // appropriate bindings here, because the bindings have not yet been granted.
- std::string site = SiteInstance::GetSiteForURL(browser_context, url)
- .possibly_invalid_spec();
- if (!site.empty())
- map->RegisterProcess(site, process);
-}
-
-void RenderProcessHostImpl::ProcessDied(bool already_dead,
- RendererClosedDetails* known_details) {
- // Our child process has died. If we didn't expect it, it's a crash.
- // In any case, we need to let everyone know it's gone.
- // The OnChannelError notification can fire multiple times due to nested sync
- // calls to a renderer. If we don't have a valid channel here it means we
- // already handled the error.
-
- // It should not be possible for us to be called re-entrantly.
- DCHECK(!within_process_died_observer_);
-
- // It should not be possible for a process death notification to come in while
- // we are dying.
- DCHECK(!deleting_soon_);
-
- // child_process_launcher_ can be NULL in single process mode or if fast
- // termination happened.
- base::TerminationStatus status = base::TERMINATION_STATUS_NORMAL_TERMINATION;
- int exit_code = 0;
- if (known_details) {
- status = known_details->status;
- exit_code = known_details->exit_code;
- } else if (child_process_launcher_.get()) {
- status = child_process_launcher_->GetChildTerminationStatus(already_dead,
- &exit_code);
- if (already_dead && status == base::TERMINATION_STATUS_STILL_RUNNING) {
- // May be in case of IPC error, if it takes long time for renderer
- // to exit. Child process will be killed in any case during
- // child_process_launcher_.reset(). Make sure we will not broadcast
- // FrameHostMsg_RenderProcessGone with status
- // TERMINATION_STATUS_STILL_RUNNING, since this will break WebContentsImpl
- // logic.
- status = base::TERMINATION_STATUS_PROCESS_CRASHED;
- }
- }
-
- RendererClosedDetails details(status, exit_code);
- mojo_application_host_->WillDestroySoon();
-
- child_process_launcher_.reset();
- channel_.reset();
- while (!queued_messages_.empty()) {
- delete queued_messages_.front();
- queued_messages_.pop();
- }
-
- within_process_died_observer_ = true;
- NotificationService::current()->Notify(
- NOTIFICATION_RENDERER_PROCESS_CLOSED,
- Source<RenderProcessHost>(this),
- Details<RendererClosedDetails>(&details));
- FOR_EACH_OBSERVER(RenderProcessHostObserver,
- observers_,
- RenderProcessExited(this, status, exit_code));
- within_process_died_observer_ = false;
-
- gpu_message_filter_ = NULL;
- message_port_message_filter_ = NULL;
- RemoveUserData(kSessionStorageHolderKey);
-
- // RenderProcessGone handlers might navigate or perform other actions that
- // require a connection. Ensure that there is one before calling them.
- mojo_application_host_.reset(new MojoApplicationHost);
-
- IDMap<IPC::Listener>::iterator iter(&listeners_);
- while (!iter.IsAtEnd()) {
- iter.GetCurrentValue()->OnMessageReceived(
- FrameHostMsg_RenderProcessGone(iter.GetCurrentKey(),
- static_cast<int>(status),
- exit_code));
- iter.Advance();
- }
-
- // It's possible that one of the calls out to the observers might have caused
- // this object to be no longer needed.
- if (delayed_cleanup_needed_)
- Cleanup();
-
- // This object is not deleted at this point and might be reused later.
- // TODO(darin): clean this up
-}
-
-size_t RenderProcessHost::GetActiveViewCount() {
- size_t num_active_views = 0;
- scoped_ptr<RenderWidgetHostIterator> widgets(
- RenderWidgetHost::GetRenderWidgetHosts());
- while (RenderWidgetHost* widget = widgets->GetNextHost()) {
- // Count only RenderWidgetHosts in this process.
- if (widget->GetProcess()->GetID() == GetID())
- num_active_views++;
- }
- return num_active_views;
-}
-
-#if defined(ENABLE_WEBRTC)
-void RenderProcessHostImpl::WebRtcLogMessage(const std::string& message) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- if (!webrtc_log_message_callback_.is_null())
- webrtc_log_message_callback_.Run(message);
-}
-#endif
-
-void RenderProcessHostImpl::ReleaseOnCloseACK(
- RenderProcessHost* host,
- const SessionStorageNamespaceMap& sessions,
- int view_route_id) {
- DCHECK(host);
- if (sessions.empty())
- return;
- SessionStorageHolder* holder = static_cast<SessionStorageHolder*>
- (host->GetUserData(kSessionStorageHolderKey));
- if (!holder) {
- holder = new SessionStorageHolder();
- host->SetUserData(
- kSessionStorageHolderKey,
- holder);
- }
- holder->Hold(sessions, view_route_id);
-}
-
-void RenderProcessHostImpl::OnShutdownRequest() {
- // Don't shut down if there are active RenderViews, or if there are pending
- // RenderViews being swapped back in.
- // In single process mode, we never shutdown the renderer.
- if (pending_views_ || run_renderer_in_process() || GetActiveViewCount() > 0)
- return;
-
- // Notify any contents that might have swapped out renderers from this
- // process. They should not attempt to swap them back in.
- FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
- RenderProcessWillExit(this));
-
- mojo_application_host_->WillDestroySoon();
-
- Send(new ChildProcessMsg_Shutdown());
-}
-
-void RenderProcessHostImpl::SuddenTerminationChanged(bool enabled) {
- SetSuddenTerminationAllowed(enabled);
-}
-
-void RenderProcessHostImpl::SetBackgrounded(bool backgrounded) {
- TRACE_EVENT1("renderer_host", "RenderProcessHostImpl::SetBackgrounded",
- "backgrounded", backgrounded);
- // Note: we always set the backgrounded_ value. If the process is NULL
- // (and hence hasn't been created yet), we will set the process priority
- // later when we create the process.
- backgrounded_ = backgrounded;
- if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
- return;
-
- // Don't background processes which have active audio streams.
- if (backgrounded_ && audio_renderer_host_->HasActiveAudio())
- return;
-
- const base::CommandLine* command_line =
- base::CommandLine::ForCurrentProcess();
- if (command_line->HasSwitch(switches::kDisableRendererBackgrounding))
- return;
-
-#if defined(OS_WIN)
- // The cbstext.dll loads as a global GetMessage hook in the browser process
- // and intercepts/unintercepts the kernel32 API SetPriorityClass in a
- // background thread. If the UI thread invokes this API just when it is
- // intercepted the stack is messed up on return from the interceptor
- // which causes random crashes in the browser process. Our hack for now
- // is to not invoke the SetPriorityClass API if the dll is loaded.
- if (GetModuleHandle(L"cbstext.dll"))
- return;
-#endif // OS_WIN
-
-#if defined(OS_WIN)
- // Same as below, but bound to an experiment (http://crbug.com/458594 ).
- // Enabled by default in the absence of field trials to get coverage on the
- // perf waterfall.
- base::FieldTrial* trial =
- base::FieldTrialList::Find("BackgroundRendererProcesses");
- if (!trial || !base::StartsWith(trial->group_name(), "Disallow",
- base::CompareCase::SENSITIVE)) {
- child_process_launcher_->SetProcessBackgrounded(backgrounded);
- }
-#else
- // Control the background state from the browser process, otherwise the task
- // telling the renderer to "unbackground" itself may be preempted by other
- // tasks executing at lowered priority ahead of it or simply by not being
- // swiftly scheduled by the OS per the low process priority
- // (http://crbug.com/398103).
- child_process_launcher_->SetProcessBackgrounded(backgrounded);
-#endif // OS_WIN
-
- // Notify the child process of background state.
- Send(new ChildProcessMsg_SetProcessBackgrounded(backgrounded));
-}
-
-void RenderProcessHostImpl::OnProcessLaunched() {
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile1(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::Start"));
- // No point doing anything, since this object will be destructed soon. We
- // especially don't want to send the RENDERER_PROCESS_CREATED notification,
- // since some clients might expect a RENDERER_PROCESS_TERMINATED afterwards to
- // properly cleanup.
- if (deleting_soon_)
- return;
-
- if (child_process_launcher_) {
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile2(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::Backgrounded"));
- DCHECK(child_process_launcher_->GetProcess().IsValid());
- SetBackgrounded(backgrounded_);
- }
-
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile3(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::Notify"));
- // NOTE: This needs to be before sending queued messages because
- // ExtensionService uses this notification to initialize the renderer process
- // with state that must be there before any JavaScript executes.
- //
- // The queued messages contain such things as "navigate". If this notification
- // was after, we can end up executing JavaScript before the initialization
- // happens.
- NotificationService::current()->Notify(
- NOTIFICATION_RENDERER_PROCESS_CREATED,
- Source<RenderProcessHost>(this),
- NotificationService::NoDetails());
-
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile4(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::MojoActivate"));
- // Allow Mojo to be setup before the renderer sees any Chrome IPC messages.
- // This way, Mojo can be safely used from the renderer in response to any
- // Chrome IPC message.
- mojo_application_host_->Activate(this, GetHandle());
-
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile5(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::MojoClientLaunch"));
-
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile6(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 "
- "RenderProcessHostImpl::OnProcessLaunched::SendQueuedMessages"));
- while (!queued_messages_.empty()) {
- Send(queued_messages_.front());
- queued_messages_.pop();
- }
-
-#if defined(ENABLE_WEBRTC)
- // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
- // is fixed.
- tracked_objects::ScopedTracker tracking_profile7(
- FROM_HERE_WITH_EXPLICIT_FUNCTION(
- "465841 RenderProcessHostImpl::OnProcessLaunched::EnableAec"));
- if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
- EnableAudioDebugRecordings(
- WebRTCInternals::GetInstance()->GetAudioDebugRecordingsFilePath());
- }
-#endif
-}
-
-void RenderProcessHostImpl::OnProcessLaunchFailed() {
- // If this object will be destructed soon, then observers have already been
- // sent a RenderProcessHostDestroyed notification, and we must observe our
- // contract that says that will be the last call.
- if (deleting_soon_)
- return;
-
- // TODO(wfh): Fill in the real error code here see crbug.com/526198.
- RendererClosedDetails details { base::TERMINATION_STATUS_LAUNCH_FAILED,
- -1 };
- ProcessDied(true, &details);
-}
-
-scoped_refptr<AudioRendererHost>
-RenderProcessHostImpl::audio_renderer_host() const {
- return audio_renderer_host_;
-}
-
-void RenderProcessHostImpl::OnUserMetricsRecordAction(
- const std::string& action) {
- RecordComputedAction(action);
-}
-
-void RenderProcessHostImpl::OnCloseACK(int old_route_id) {
- SessionStorageHolder* holder = static_cast<SessionStorageHolder*>
- (GetUserData(kSessionStorageHolderKey));
- if (!holder)
- return;
- holder->Release(old_route_id);
-}
-
-void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) {
- MHTMLGenerationManager::GetInstance()->MHTMLGenerated(job_id, data_size);
-}
-
-void RenderProcessHostImpl::OnGpuSwitched() {
- // We are updating all widgets including swapped out ones.
- scoped_ptr<RenderWidgetHostIterator> widgets(
- RenderWidgetHostImpl::GetAllRenderWidgetHosts());
- while (RenderWidgetHost* widget = widgets->GetNextHost()) {
- if (!widget->IsRenderView())
- continue;
-
- // Skip widgets in other processes.
- if (widget->GetProcess()->GetID() != GetID())
- continue;
-
- RenderViewHost* rvh = RenderViewHost::From(widget);
- rvh->OnWebkitPreferencesChanged();
- }
-}
-
-#if defined(ENABLE_WEBRTC)
-void RenderProcessHostImpl::OnRegisterAecDumpConsumer(int id) {
- BrowserThread::PostTask(
- BrowserThread::UI,
- FROM_HERE,
- base::Bind(
- &RenderProcessHostImpl::RegisterAecDumpConsumerOnUIThread,
- weak_factory_.GetWeakPtr(),
- id));
-}
-
-void RenderProcessHostImpl::OnUnregisterAecDumpConsumer(int id) {
- BrowserThread::PostTask(
- BrowserThread::UI,
- FROM_HERE,
- base::Bind(
- &RenderProcessHostImpl::UnregisterAecDumpConsumerOnUIThread,
- weak_factory_.GetWeakPtr(),
- id));
-}
-
-void RenderProcessHostImpl::RegisterAecDumpConsumerOnUIThread(int id) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- aec_dump_consumers_.push_back(id);
-
- if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
- base::FilePath file_with_extensions = GetAecDumpFilePathWithExtensions(
- WebRTCInternals::GetInstance()->GetAudioDebugRecordingsFilePath());
- EnableAecDumpForId(file_with_extensions, id);
- }
-}
-
-void RenderProcessHostImpl::UnregisterAecDumpConsumerOnUIThread(int id) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- for (std::vector<int>::iterator it = aec_dump_consumers_.begin();
- it != aec_dump_consumers_.end(); ++it) {
- if (*it == id) {
- aec_dump_consumers_.erase(it);
- break;
- }
- }
-}
-
-void RenderProcessHostImpl::EnableAecDumpForId(const base::FilePath& file,
- int id) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- BrowserThread::PostTaskAndReplyWithResult(
- BrowserThread::FILE, FROM_HERE,
- base::Bind(&CreateAecDumpFileForProcess,
- file.AddExtension(IntToStringType(id)),
- GetHandle()),
- base::Bind(&RenderProcessHostImpl::SendAecDumpFileToRenderer,
- weak_factory_.GetWeakPtr(),
- id));
-}
-
-void RenderProcessHostImpl::SendAecDumpFileToRenderer(
- int id,
- IPC::PlatformFileForTransit file_for_transit) {
- if (file_for_transit == IPC::InvalidPlatformFileForTransit())
- return;
- Send(new AecDumpMsg_EnableAecDump(id, file_for_transit));
-}
-
-void RenderProcessHostImpl::SendDisableAecDumpToRenderer() {
- Send(new AecDumpMsg_DisableAecDump());
-}
-
-base::FilePath RenderProcessHostImpl::GetAecDumpFilePathWithExtensions(
- const base::FilePath& file) {
- return file.AddExtension(IntToStringType(base::GetProcId(GetHandle())))
- .AddExtension(kAecDumpFileNameAddition);
-}
-#endif // defined(ENABLE_WEBRTC)
-
-void RenderProcessHostImpl::IncrementWorkerRefCount() {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- ++worker_ref_count_;
- if (worker_ref_count_ > max_worker_count_)
- max_worker_count_ = worker_ref_count_;
-}
-
-void RenderProcessHostImpl::DecrementWorkerRefCount() {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- DCHECK_GT(worker_ref_count_, 0);
- --worker_ref_count_;
- if (worker_ref_count_ == 0)
- Cleanup();
-}
-
-void RenderProcessHostImpl::GetAudioOutputControllers(
- const GetAudioOutputControllersCallback& callback) const {
- audio_renderer_host()->GetOutputControllers(callback);
-}
-
-BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() {
- return bluetooth_dispatcher_host_.get();
-}
-
-} // namespace content
+// Copyright 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.
+
+// Represents the browser side of the browser <--> renderer communication
+// channel. There will be one RenderProcessHost per renderer process.
+
+#include "content/browser/renderer_host/render_process_host_impl.h"
+
+#include <algorithm>
+#include <limits>
+#include <vector>
+
+#include "base/base_switches.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/callback.h"
+#include "base/command_line.h"
+#include "base/debug/dump_without_crashing.h"
+#include "base/files/file.h"
+#include "base/lazy_instance.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/metrics/field_trial.h"
+#include "base/metrics/histogram.h"
+#include "base/process/process_handle.h"
+#include "base/profiler/scoped_tracker.h"
+#include "base/rand_util.h"
+#include "base/single_thread_task_runner.h"
+#include "base/stl_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/supports_user_data.h"
+#include "base/sys_info.h"
+#include "base/threading/thread.h"
+#include "base/threading/thread_restrictions.h"
+#include "base/trace_event/trace_event.h"
+#include "base/tracked_objects.h"
+#include "cc/base/switches.h"
+#include "components/tracing/tracing_switches.h"
+#include "content/browser/appcache/appcache_dispatcher_host.h"
+#include "content/browser/appcache/chrome_appcache_service.h"
+#include "content/browser/background_sync/background_sync_service_impl.h"
+#include "content/browser/bad_message.h"
+#include "content/browser/bluetooth/bluetooth_dispatcher_host.h"
+#include "content/browser/browser_child_process_host_impl.h"
+#include "content/browser/browser_main.h"
+#include "content/browser/browser_main_loop.h"
+#include "content/browser/browser_plugin/browser_plugin_message_filter.h"
+#include "content/browser/cache_storage/cache_storage_context_impl.h"
+#include "content/browser/cache_storage/cache_storage_dispatcher_host.h"
+#include "content/browser/child_process_security_policy_impl.h"
+#include "content/browser/device_sensors/device_light_message_filter.h"
+#include "content/browser/device_sensors/device_motion_message_filter.h"
+#include "content/browser/device_sensors/device_orientation_message_filter.h"
+#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
+#include "content/browser/dom_storage/dom_storage_message_filter.h"
+#include "content/browser/download/mhtml_generation_manager.h"
+#include "content/browser/fileapi/chrome_blob_storage_context.h"
+#include "content/browser/fileapi/fileapi_message_filter.h"
+#include "content/browser/frame_host/render_frame_message_filter.h"
+#include "content/browser/geofencing/geofencing_dispatcher_host.h"
+#include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
+#include "content/browser/gpu/compositor_util.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/gpu_process_host.h"
+#include "content/browser/gpu/shader_disk_cache.h"
+#include "content/browser/histogram_message_filter.h"
+#include "content/browser/indexed_db/indexed_db_context_impl.h"
+#include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
+#include "content/browser/loader/resource_message_filter.h"
+#include "content/browser/loader/resource_scheduler_filter.h"
+#include "content/browser/media/capture/audio_mirroring_manager.h"
+#include "content/browser/media/media_internals.h"
+#include "content/browser/media/midi_host.h"
+#include "content/browser/memory/memory_message_filter.h"
+#include "content/browser/message_port_message_filter.h"
+#include "content/browser/mime_registry_message_filter.h"
+#include "content/browser/mojo/mojo_application_host.h"
+#include "content/browser/navigator_connect/service_port_service_impl.h"
+#include "content/browser/notifications/notification_message_filter.h"
+#include "content/browser/permissions/permission_service_context.h"
+#include "content/browser/permissions/permission_service_impl.h"
+#include "content/browser/profiler_message_filter.h"
+#include "content/browser/push_messaging/push_messaging_message_filter.h"
+#include "content/browser/quota_dispatcher_host.h"
+#include "content/browser/renderer_host/clipboard_message_filter.h"
+#include "content/browser/renderer_host/database_message_filter.h"
+#include "content/browser/renderer_host/file_utilities_message_filter.h"
+#include "content/browser/renderer_host/gamepad_browser_message_filter.h"
+#include "content/browser/renderer_host/gpu_message_filter.h"
+#include "content/browser/renderer_host/media/audio_input_renderer_host.h"
+#include "content/browser/renderer_host/media/audio_renderer_host.h"
+#include "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
+#include "content/browser/renderer_host/media/peer_connection_tracker_host.h"
+#include "content/browser/renderer_host/media/video_capture_host.h"
+#include "content/browser/renderer_host/memory_benchmark_message_filter.h"
+#include "content/browser/renderer_host/pepper/pepper_message_filter.h"
+#include "content/browser/renderer_host/pepper/pepper_renderer_connection.h"
+#include "content/browser/renderer_host/render_message_filter.h"
+#include "content/browser/renderer_host/render_view_host_delegate.h"
+#include "content/browser/renderer_host/render_view_host_impl.h"
+#include "content/browser/renderer_host/render_widget_helper.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/text_input_client_message_filter.h"
+#include "content/browser/renderer_host/websocket_dispatcher_host.h"
+#include "content/browser/resolve_proxy_msg_helper.h"
+#include "content/browser/service_worker/service_worker_context_wrapper.h"
+#include "content/browser/service_worker/service_worker_dispatcher_host.h"
+#include "content/browser/shared_worker/shared_worker_message_filter.h"
+#include "content/browser/shared_worker/worker_storage_partition.h"
+#include "content/browser/speech/speech_recognition_dispatcher_host.h"
+#include "content/browser/storage_partition_impl.h"
+#include "content/browser/streams/stream_context.h"
+#include "content/browser/tracing/trace_message_filter.h"
+#include "content/browser/webui/web_ui_controller_factory_registry.h"
+#include "content/common/child_process_host_impl.h"
+#include "content/common/child_process_messages.h"
+#include "content/common/content_switches_internal.h"
+#include "content/common/frame_messages.h"
+#include "content/common/gpu/gpu_messages.h"
+#include "content/common/in_process_child_thread_params.h"
+#include "content/common/mojo/channel_init.h"
+#include "content/common/mojo/mojo_messages.h"
+#include "content/common/render_process_messages.h"
+#include "content/common/resource_messages.h"
+#include "content/common/site_isolation_policy.h"
+#include "content/common/view_messages.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/navigator_connect_context.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_process_host_factory.h"
+#include "content/public/browser/render_process_host_observer.h"
+#include "content/public/browser/render_widget_host.h"
+#include "content/public/browser/render_widget_host_iterator.h"
+#include "content/public/browser/render_widget_host_view_frame_subscriber.h"
+#include "content/public/browser/resource_context.h"
+#include "content/public/browser/user_metrics.h"
+#include "content/public/browser/worker_service.h"
+#include "content/public/common/child_process_host.h"
+#include "content/public/common/content_constants.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/common/mojo_channel_switches.h"
+#include "content/public/common/process_type.h"
+#include "content/public/common/resource_type.h"
+#include "content/public/common/result_codes.h"
+#include "content/public/common/sandboxed_process_launcher_delegate.h"
+#include "content/public/common/url_constants.h"
+#include "device/battery/battery_monitor_impl.h"
+#include "device/vibration/vibration_manager_impl.h"
+#include "gpu/GLES2/gl2extchromium.h"
+#include "gpu/command_buffer/client/gpu_switches.h"
+#include "gpu/command_buffer/common/gles2_cmd_utils.h"
+#include "gpu/command_buffer/service/gpu_switches.h"
+#include "ipc/ipc_channel.h"
+#include "ipc/ipc_logging.h"
+#include "ipc/ipc_switches.h"
+#include "ipc/mojo/ipc_channel_mojo.h"
+#include "media/base/media_switches.h"
+#include "net/url_request/url_request_context_getter.h"
+#include "ppapi/shared_impl/ppapi_switches.h"
+#include "storage/browser/fileapi/sandbox_file_system_backend.h"
+#include "third_party/icu/source/common/unicode/unistr.h"
+#include "third_party/icu/source/i18n/unicode/timezone.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/base/ui_base_switches.h"
+#include "ui/events/event_switches.h"
+#include "ui/gfx/switches.h"
+#include "ui/gl/gl_switches.h"
+#include "ui/gl/gpu_switching_manager.h"
+#include "ui/native_theme/native_theme_switches.h"
+
+#if defined(OS_ANDROID)
+#include "content/browser/android/child_process_launcher_android.h"
+#include "content/browser/media/android/browser_demuxer_android.h"
+#include "content/browser/mojo/service_registrar_android.h"
+#include "content/browser/screen_orientation/screen_orientation_message_filter_android.h"
+#endif
+
+#if defined(OS_WIN)
+#include "base/win/scoped_com_initializer.h"
+#include "base/win/windows_version.h"
+#include "content/common/font_cache_dispatcher_win.h"
+#include "content/common/sandbox_win.h"
+#include "sandbox/win/src/sandbox_policy.h"
+#include "ui/gfx/win/dpi.h"
+#endif
+
+#if defined(OS_MACOSX) && !defined(OS_IOS)
+#include "content/browser/bootstrap_sandbox_manager_mac.h"
+#include "content/browser/browser_io_surface_manager_mac.h"
+#include "content/browser/mach_broker_mac.h"
gab 2015/09/30 13:33:31 rm this include
sebsg 2015/09/30 18:26:43 Done.
+#endif
+
+#if defined(USE_OZONE)
+#include "ui/ozone/public/client_native_pixmap_factory.h"
+#include "ui/ozone/public/ozone_platform.h"
+#include "ui/ozone/public/ozone_switches.h"
+#endif
+
+#if defined(ENABLE_BROWSER_CDMS)
+#include "content/browser/media/cdm/browser_cdm_manager.h"
+#endif
+
+#if defined(ENABLE_PLUGINS)
+#include "content/browser/plugin_service_impl.h"
+#endif
+
+#if defined(ENABLE_WEBRTC)
+#include "content/browser/media/webrtc_internals.h"
+#include "content/browser/renderer_host/media/media_stream_track_metrics_host.h"
+#include "content/browser/renderer_host/media/webrtc_identity_service_host.h"
+#include "content/browser/renderer_host/p2p/socket_dispatcher_host.h"
+#include "content/common/media/aec_dump_messages.h"
+#include "content/common/media/media_stream_messages.h"
+#endif
+
+#if defined(OS_WIN)
+#define IntToStringType base::IntToString16
+#else
+#define IntToStringType base::IntToString
+#endif
+
+namespace content {
+namespace {
+
+const char kSiteProcessMapKeyName[] = "content_site_process_map";
+
+#ifdef ENABLE_WEBRTC
+const base::FilePath::CharType kAecDumpFileNameAddition[] =
+ FILE_PATH_LITERAL("aec_dump");
+#endif
+
+void CacheShaderInfo(int32 id, base::FilePath path) {
+ ShaderCacheFactory::GetInstance()->SetCacheInfo(id, path);
+}
+
+void RemoveShaderInfo(int32 id) {
+ ShaderCacheFactory::GetInstance()->RemoveCacheInfo(id);
+}
+
+net::URLRequestContext* GetRequestContext(
+ scoped_refptr<net::URLRequestContextGetter> request_context,
+ scoped_refptr<net::URLRequestContextGetter> media_request_context,
+ ResourceType resource_type) {
+ // If the request has resource type of RESOURCE_TYPE_MEDIA, we use a request
+ // context specific to media for handling it because these resources have
+ // specific needs for caching.
+ if (resource_type == RESOURCE_TYPE_MEDIA)
+ return media_request_context->GetURLRequestContext();
+ return request_context->GetURLRequestContext();
+}
+
+void GetContexts(
+ ResourceContext* resource_context,
+ scoped_refptr<net::URLRequestContextGetter> request_context,
+ scoped_refptr<net::URLRequestContextGetter> media_request_context,
+ const ResourceHostMsg_Request& request,
+ ResourceContext** resource_context_out,
+ net::URLRequestContext** request_context_out) {
+ *resource_context_out = resource_context;
+ *request_context_out = GetRequestContext(
+ request_context, media_request_context, request.resource_type);
+}
+
+#if defined(ENABLE_WEBRTC)
+
+// Allow us to only run the trial in the first renderer.
+bool has_done_stun_trials = false;
+
+// Creates a file used for diagnostic echo canceller recordings for handing
+// over to the renderer.
+IPC::PlatformFileForTransit CreateAecDumpFileForProcess(
+ base::FilePath file_path,
+ base::ProcessHandle process) {
+ DCHECK_CURRENTLY_ON(BrowserThread::FILE);
+ base::File dump_file(file_path,
+ base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_APPEND);
+ if (!dump_file.IsValid()) {
+ VLOG(1) << "Could not open AEC dump file, error="
+ << dump_file.error_details();
+ return IPC::InvalidPlatformFileForTransit();
+ }
+ return IPC::TakeFileHandleForProcess(dump_file.Pass(), process);
+}
+
+// Does nothing. Just to avoid races between enable and disable.
+void DisableAecDumpOnFileThread() {
+ DCHECK_CURRENTLY_ON(BrowserThread::FILE);
+}
+#endif
+
+// the global list of all renderer processes
+base::LazyInstance<IDMap<RenderProcessHost>>::Leaky g_all_hosts =
+ LAZY_INSTANCE_INITIALIZER;
+
+// Map of site to process, to ensure we only have one RenderProcessHost per
+// site in process-per-site mode. Each map is specific to a BrowserContext.
+class SiteProcessMap : public base::SupportsUserData::Data {
+ public:
+ typedef base::hash_map<std::string, RenderProcessHost*> SiteToProcessMap;
+ SiteProcessMap() {}
+
+ void RegisterProcess(const std::string& site, RenderProcessHost* process) {
+ map_[site] = process;
+ }
+
+ RenderProcessHost* FindProcess(const std::string& site) {
+ SiteToProcessMap::iterator i = map_.find(site);
+ if (i != map_.end())
+ return i->second;
+ return NULL;
+ }
+
+ void RemoveProcess(RenderProcessHost* host) {
+ // Find all instances of this process in the map, then separately remove
+ // them.
+ std::set<std::string> sites;
+ for (SiteToProcessMap::const_iterator i = map_.begin(); i != map_.end();
+ i++) {
+ if (i->second == host)
+ sites.insert(i->first);
+ }
+ for (std::set<std::string>::iterator i = sites.begin(); i != sites.end();
+ i++) {
+ SiteToProcessMap::iterator iter = map_.find(*i);
+ if (iter != map_.end()) {
+ DCHECK_EQ(iter->second, host);
+ map_.erase(iter);
+ }
+ }
+ }
+
+ private:
+ SiteToProcessMap map_;
+};
+
+// Find the SiteProcessMap specific to the given context.
+SiteProcessMap* GetSiteProcessMapForBrowserContext(BrowserContext* context) {
+ DCHECK(context);
+ SiteProcessMap* map = static_cast<SiteProcessMap*>(
+ context->GetUserData(kSiteProcessMapKeyName));
+ if (!map) {
+ map = new SiteProcessMap();
+ context->SetUserData(kSiteProcessMapKeyName, map);
+ }
+ return map;
+}
+
+// NOTE: changes to this class need to be reviewed by the security team.
+class RendererSandboxedProcessLauncherDelegate
+ : public SandboxedProcessLauncherDelegate {
+ public:
+ explicit RendererSandboxedProcessLauncherDelegate(IPC::ChannelProxy* channel)
+#if defined(OS_POSIX)
+ : ipc_fd_(channel->TakeClientFileDescriptor())
+#endif // OS_POSIX
+ {
+ }
+
+ ~RendererSandboxedProcessLauncherDelegate() override {}
+
+#if defined(OS_WIN)
+ void PreSpawnTarget(sandbox::TargetPolicy* policy, bool* success) override {
+ AddBaseHandleClosePolicy(policy);
+
+ const base::string16& sid =
+ GetContentClient()->browser()->GetAppContainerSidForSandboxType(
+ GetSandboxType());
+ if (!sid.empty())
+ AddAppContainerPolicy(policy, sid.c_str());
+
+ GetContentClient()->browser()->PreSpawnRenderer(policy, success);
+ }
+
+#elif defined(OS_POSIX)
+ bool ShouldUseZygote() override {
+ const base::CommandLine& browser_command_line =
+ *base::CommandLine::ForCurrentProcess();
+ base::CommandLine::StringType renderer_prefix =
+ browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix);
+ return renderer_prefix.empty();
+ }
+ base::ScopedFD TakeIpcFd() override { return ipc_fd_.Pass(); }
+#endif // OS_WIN
+
+ SandboxType GetSandboxType() override { return SANDBOX_TYPE_RENDERER; }
+
+ private:
+#if defined(OS_POSIX)
+ base::ScopedFD ipc_fd_;
+#endif // OS_POSIX
+};
+
+const char kSessionStorageHolderKey[] = "kSessionStorageHolderKey";
+
+class SessionStorageHolder : public base::SupportsUserData::Data {
+ public:
+ SessionStorageHolder() {}
+ ~SessionStorageHolder() override {}
+
+ void Hold(const SessionStorageNamespaceMap& sessions, int view_route_id) {
+ session_storage_namespaces_awaiting_close_[view_route_id] = sessions;
+ }
+
+ void Release(int old_route_id) {
+ session_storage_namespaces_awaiting_close_.erase(old_route_id);
+ }
+
+ private:
+ std::map<int, SessionStorageNamespaceMap>
+ session_storage_namespaces_awaiting_close_;
+ DISALLOW_COPY_AND_ASSIGN(SessionStorageHolder);
+};
+
+std::string UintVectorToString(const std::vector<unsigned>& vector) {
+ std::string str;
+ for (auto it : vector) {
+ if (!str.empty())
+ str += ",";
+ str += base::UintToString(it);
+ }
+ return str;
+}
+
+} // namespace
+
+RendererMainThreadFactoryFunction g_renderer_main_thread_factory = NULL;
+
+base::MessageLoop* g_in_process_thread;
+
+base::MessageLoop*
+RenderProcessHostImpl::GetInProcessRendererThreadForTesting() {
+ return g_in_process_thread;
+}
+
+// Stores the maximum number of renderer processes the content module can
+// create.
+static size_t g_max_renderer_count_override = 0;
+
+// static
+size_t RenderProcessHost::GetMaxRendererProcessCount() {
+ if (g_max_renderer_count_override)
+ return g_max_renderer_count_override;
+
+#if defined(OS_ANDROID)
+ // On Android we don't maintain a limit of renderer process hosts - we are
+ // happy with keeping a lot of these, as long as the number of live renderer
+ // processes remains reasonable, and on Android the OS takes care of that.
+ return std::numeric_limits<size_t>::max();
+#endif
+
+ // On other platforms, we calculate the maximum number of renderer process
+ // hosts according to the amount of installed memory as reported by the OS.
+ // The calculation assumes that you want the renderers to use half of the
+ // installed RAM and assuming that each WebContents uses ~40MB. If you modify
+ // this assumption, you need to adjust the ThirtyFourTabs test to match the
+ // expected number of processes.
+ //
+ // With the given amounts of installed memory below on a 32-bit CPU, the
+ // maximum renderer count will roughly be as follows:
+ //
+ // 128 MB -> 3
+ // 512 MB -> 6
+ // 1024 MB -> 12
+ // 4096 MB -> 51
+ // 16384 MB -> 82 (kMaxRendererProcessCount)
+
+ static size_t max_count = 0;
+ if (!max_count) {
+ const size_t kEstimatedWebContentsMemoryUsage =
+#if defined(ARCH_CPU_64_BITS)
+ 60; // In MB
+#else
+ 40; // In MB
+#endif
+ max_count = base::SysInfo::AmountOfPhysicalMemoryMB() / 2;
+ max_count /= kEstimatedWebContentsMemoryUsage;
+
+ const size_t kMinRendererProcessCount = 3;
+ max_count = std::max(max_count, kMinRendererProcessCount);
+ max_count = std::min(max_count, kMaxRendererProcessCount);
+ }
+ return max_count;
+}
+
+// static
+bool g_run_renderer_in_process_ = false;
+
+// static
+void RenderProcessHost::SetMaxRendererProcessCount(size_t count) {
+ g_max_renderer_count_override = count;
+}
+
+RenderProcessHostImpl::RenderProcessHostImpl(
+ BrowserContext* browser_context,
+ StoragePartitionImpl* storage_partition_impl,
+ bool is_for_guests_only)
+ : fast_shutdown_started_(false),
+ deleting_soon_(false),
+#ifndef NDEBUG
+ is_self_deleted_(false),
+#endif
+ pending_views_(0),
+ mojo_application_host_(new MojoApplicationHost),
+ visible_widgets_(0),
+ is_process_backgrounded_(false),
+ is_initialized_(false),
+ id_(ChildProcessHostImpl::GenerateChildProcessUniqueId()),
+ browser_context_(browser_context),
+ storage_partition_impl_(storage_partition_impl),
+ sudden_termination_allowed_(true),
+ ignore_input_events_(false),
+ is_for_guests_only_(is_for_guests_only),
+ gpu_observer_registered_(false),
+ delayed_cleanup_needed_(false),
+ within_process_died_observer_(false),
+ power_monitor_broadcaster_(this),
+ worker_ref_count_(0),
+ max_worker_count_(0),
+ permission_service_context_(new PermissionServiceContext(this)),
+ pending_valuebuffer_state_(new gpu::ValueStateMap()),
+ subscribe_uniform_enabled_(false),
+ weak_factory_(this) {
+ widget_helper_ = new RenderWidgetHelper();
+
+ ChildProcessSecurityPolicyImpl::GetInstance()->Add(GetID());
+
+ CHECK(!BrowserMainRunner::ExitedMainMessageLoop());
+ RegisterHost(GetID(), this);
+ g_all_hosts.Get().set_check_on_null_data(true);
+ // Initialize |child_process_activity_time_| to a reasonable value.
+ mark_child_process_activity_time();
+
+ if (!GetBrowserContext()->IsOffTheRecord() &&
+ !base::CommandLine::ForCurrentProcess()->HasSwitch(
+ switches::kDisableGpuShaderDiskCache)) {
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&CacheShaderInfo, GetID(),
+ storage_partition_impl_->GetPath()));
+ }
+ subscribe_uniform_enabled_ =
+ base::CommandLine::ForCurrentProcess()->HasSwitch(
+ switches::kEnableSubscribeUniformExtension);
+}
+
+// static
+void RenderProcessHostImpl::ShutDownInProcessRenderer() {
+ DCHECK(g_run_renderer_in_process_);
+
+ switch (g_all_hosts.Pointer()->size()) {
+ case 0:
+ return;
+ case 1: {
+ RenderProcessHostImpl* host = static_cast<RenderProcessHostImpl*>(
+ AllHostsIterator().GetCurrentValue());
+ FOR_EACH_OBSERVER(RenderProcessHostObserver, host->observers_,
+ RenderProcessHostDestroyed(host));
+#ifndef NDEBUG
+ host->is_self_deleted_ = true;
+#endif
+ delete host;
+ return;
+ }
+ default:
+ NOTREACHED() << "There should be only one RenderProcessHost when running "
+ << "in-process.";
+ }
+}
+
+void RenderProcessHostImpl::RegisterRendererMainThreadFactory(
+ RendererMainThreadFactoryFunction create) {
+ g_renderer_main_thread_factory = create;
+}
+
+RenderProcessHostImpl::~RenderProcessHostImpl() {
+#ifndef NDEBUG
+ DCHECK(is_self_deleted_)
+ << "RenderProcessHostImpl is destroyed by something other than itself";
+#endif
+
+ // Make sure to clean up the in-process renderer before the channel, otherwise
+ // it may still run and have its IPCs fail, causing asserts.
+ in_process_renderer_.reset();
+
+ ChildProcessSecurityPolicyImpl::GetInstance()->Remove(GetID());
+
+ if (gpu_observer_registered_) {
+ ui::GpuSwitchingManager::GetInstance()->RemoveObserver(this);
+ gpu_observer_registered_ = false;
+ }
+
+ // We may have some unsent messages at this point, but that's OK.
+ channel_.reset();
+ while (!queued_messages_.empty()) {
+ delete queued_messages_.front();
+ queued_messages_.pop();
+ }
+
+ UnregisterHost(GetID());
+
+ if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+ switches::kDisableGpuShaderDiskCache)) {
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&RemoveShaderInfo, GetID()));
+ }
+}
+
+void RenderProcessHostImpl::EnableSendQueue() {
+ is_initialized_ = false;
+}
+
+bool RenderProcessHostImpl::Init() {
+ // calling Init() more than once does nothing, this makes it more convenient
+ // for the view host which may not be sure in some cases
+ if (channel_)
+ return true;
+
+ base::CommandLine::StringType renderer_prefix;
+ // A command prefix is something prepended to the command line of the spawned
+ // process.
+ const base::CommandLine& browser_command_line =
+ *base::CommandLine::ForCurrentProcess();
+ renderer_prefix =
+ browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix);
+
+#if defined(OS_LINUX)
+ int flags = renderer_prefix.empty() ? ChildProcessHost::CHILD_ALLOW_SELF
+ : ChildProcessHost::CHILD_NORMAL;
+#else
+ int flags = ChildProcessHost::CHILD_NORMAL;
+#endif
+
+ // Find the renderer before creating the channel so if this fails early we
+ // return without creating the channel.
+ base::FilePath renderer_path = ChildProcessHost::GetChildPath(flags);
+ if (renderer_path.empty())
+ return false;
+
+ // Setup the IPC channel.
+ const std::string channel_id =
+ IPC::Channel::GenerateVerifiedChannelID(std::string());
+ channel_ = CreateChannelProxy(channel_id);
+
+ // Setup the Mojo channel.
+ mojo_application_host_->Init();
+
+ // Call the embedder first so that their IPC filters have priority.
+ GetContentClient()->browser()->RenderProcessWillLaunch(this);
+
+ CreateMessageFilters();
+ RegisterMojoServices();
+
+ if (run_renderer_in_process()) {
+ DCHECK(g_renderer_main_thread_factory);
+ // Crank up a thread and run the initialization there. With the way that
+ // messages flow between the browser and renderer, this thread is required
+ // to prevent a deadlock in single-process mode. Since the primordial
+ // thread in the renderer process runs the WebKit code and can sometimes
+ // make blocking calls to the UI thread (i.e. this thread), they need to run
+ // on separate threads.
+ in_process_renderer_.reset(
+ g_renderer_main_thread_factory(InProcessChildThreadParams(
+ channel_id,
+ BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::IO)
+ ->task_runner())));
+
+ base::Thread::Options options;
+#if defined(OS_WIN) && !defined(OS_MACOSX)
+ // In-process plugins require this to be a UI message loop.
+ options.message_loop_type = base::MessageLoop::TYPE_UI;
+#else
+ // We can't have multiple UI loops on Linux and Android, so we don't support
+ // in-process plugins.
+ options.message_loop_type = base::MessageLoop::TYPE_DEFAULT;
+#endif
+
+ // As for execution sequence, this callback should have no any dependency
+ // on starting in-process-render-thread.
+ // So put it here to trigger ChannelMojo initialization earlier to enable
+ // in-process-render-thread using ChannelMojo there.
+ OnProcessLaunched(); // Fake a callback that the process is ready.
+
+ in_process_renderer_->StartWithOptions(options);
+
+ g_in_process_thread = in_process_renderer_->message_loop();
+
+ } else {
+ // Build command line for renderer. We call AppendRendererCommandLine()
+ // first so the process type argument will appear first.
+ base::CommandLine* cmd_line = new base::CommandLine(renderer_path);
+ if (!renderer_prefix.empty())
+ cmd_line->PrependWrapper(renderer_prefix);
+ AppendRendererCommandLine(cmd_line);
+ cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id);
+
+ // Spawn the child process asynchronously to avoid blocking the UI thread.
+ // As long as there's no renderer prefix, we can use the zygote process
+ // at this stage.
+ child_process_launcher_.reset(new ChildProcessLauncher(
+ new RendererSandboxedProcessLauncherDelegate(channel_.get()), cmd_line,
+ GetID(), this));
+
+ fast_shutdown_started_ = false;
+ }
+
+ if (!gpu_observer_registered_) {
+ gpu_observer_registered_ = true;
+ ui::GpuSwitchingManager::GetInstance()->AddObserver(this);
+ }
+
+ power_monitor_broadcaster_.Init();
+
+ is_initialized_ = true;
+ init_time_ = base::TimeTicks::Now();
+ return true;
+}
+
+scoped_ptr<IPC::ChannelProxy> RenderProcessHostImpl::CreateChannelProxy(
+ const std::string& channel_id) {
+ scoped_refptr<base::SingleThreadTaskRunner> runner =
+ BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
+ scoped_refptr<base::SequencedTaskRunner> mojo_task_runner =
+ BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::IO)
+ ->task_runner();
+ if (ShouldUseMojoChannel()) {
+ VLOG(1) << "Mojo Channel is enabled on host";
+
+ return IPC::ChannelProxy::Create(
+ IPC::ChannelMojo::CreateServerFactory(mojo_task_runner, channel_id),
+ this, runner.get());
+ }
+
+ return IPC::ChannelProxy::Create(channel_id, IPC::Channel::MODE_SERVER, this,
+ runner.get());
+}
+
+void RenderProcessHostImpl::CreateMessageFilters() {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ const base::CommandLine& browser_command_line =
+ *base::CommandLine::ForCurrentProcess();
+ AddFilter(new ResourceSchedulerFilter(GetID()));
+ MediaInternals* media_internals = MediaInternals::GetInstance();
+ media::AudioManager* audio_manager =
+ BrowserMainLoop::GetInstance()->audio_manager();
+ // Add BrowserPluginMessageFilter to ensure it gets the first stab at messages
+ // from guests.
+ scoped_refptr<BrowserPluginMessageFilter> bp_message_filter(
+ new BrowserPluginMessageFilter(GetID()));
+ AddFilter(bp_message_filter.get());
+
+ scoped_refptr<RenderMessageFilter> render_message_filter(
+ new RenderMessageFilter(
+ GetID(), GetBrowserContext(),
+ GetBrowserContext()->GetRequestContextForRenderProcess(GetID()),
+ widget_helper_.get(), audio_manager, media_internals,
+ storage_partition_impl_->GetDOMStorageContext()));
+ AddFilter(render_message_filter.get());
+ AddFilter(new RenderFrameMessageFilter(
+ GetID(),
+#if defined(ENABLE_PLUGINS)
+ PluginServiceImpl::GetInstance(),
+#else
+ nullptr,
+#endif
+ GetBrowserContext(),
+ GetBrowserContext()->GetRequestContextForRenderProcess(GetID()),
+ widget_helper_.get()));
+ BrowserContext* browser_context = GetBrowserContext();
+ ResourceContext* resource_context = browser_context->GetResourceContext();
+
+ scoped_refptr<net::URLRequestContextGetter> request_context(
+ browser_context->GetRequestContextForRenderProcess(GetID()));
+ scoped_refptr<net::URLRequestContextGetter> media_request_context(
+ browser_context->GetMediaRequestContextForRenderProcess(GetID()));
+
+ ResourceMessageFilter::GetContextsCallback get_contexts_callback(
+ base::Bind(&GetContexts, browser_context->GetResourceContext(),
+ request_context, media_request_context));
+
+ ResourceMessageFilter* resource_message_filter = new ResourceMessageFilter(
+ GetID(), PROCESS_TYPE_RENDERER,
+ storage_partition_impl_->GetAppCacheService(),
+ ChromeBlobStorageContext::GetFor(browser_context),
+ storage_partition_impl_->GetFileSystemContext(),
+ storage_partition_impl_->GetServiceWorkerContext(),
+ storage_partition_impl_->GetHostZoomLevelContext(),
+ get_contexts_callback);
+
+ AddFilter(resource_message_filter);
+ MediaStreamManager* media_stream_manager =
+ BrowserMainLoop::GetInstance()->media_stream_manager();
+ // The AudioInputRendererHost and AudioRendererHost needs to be available for
+ // lookup, so it's stashed in a member variable.
+ audio_input_renderer_host_ = new AudioInputRendererHost(
+ GetID(), base::GetProcId(GetHandle()), audio_manager,
+ media_stream_manager, AudioMirroringManager::GetInstance(),
+ BrowserMainLoop::GetInstance()->user_input_monitor());
+ AddFilter(audio_input_renderer_host_.get());
+ audio_renderer_host_ = new AudioRendererHost(
+ GetID(), audio_manager, AudioMirroringManager::GetInstance(),
+ media_internals, media_stream_manager,
+ browser_context->GetResourceContext()->GetMediaDeviceIDSalt());
+ AddFilter(audio_renderer_host_.get());
+ AddFilter(
+ new MidiHost(GetID(), BrowserMainLoop::GetInstance()->midi_manager()));
+ AddFilter(new VideoCaptureHost(media_stream_manager));
+ AddFilter(new AppCacheDispatcherHost(
+ storage_partition_impl_->GetAppCacheService(), GetID()));
+ AddFilter(new ClipboardMessageFilter);
+ AddFilter(new DOMStorageMessageFilter(
+ storage_partition_impl_->GetDOMStorageContext()));
+ AddFilter(new IndexedDBDispatcherHost(
+ GetID(), storage_partition_impl_->GetURLRequestContext(),
+ storage_partition_impl_->GetIndexedDBContext(),
+ ChromeBlobStorageContext::GetFor(browser_context)));
+
+ gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get());
+ AddFilter(gpu_message_filter_);
+#if defined(ENABLE_WEBRTC)
+ AddFilter(new WebRTCIdentityServiceHost(
+ GetID(), storage_partition_impl_->GetWebRTCIdentityStore(),
+ resource_context));
+ peer_connection_tracker_host_ = new PeerConnectionTrackerHost(GetID());
+ AddFilter(peer_connection_tracker_host_.get());
+ AddFilter(new MediaStreamDispatcherHost(
+ GetID(), browser_context->GetResourceContext()->GetMediaDeviceIDSalt(),
+ media_stream_manager));
+ AddFilter(new MediaStreamTrackMetricsHost());
+#endif
+#if defined(ENABLE_PLUGINS)
+ AddFilter(new PepperRendererConnection(GetID()));
+#endif
+ AddFilter(new SpeechRecognitionDispatcherHost(
+ GetID(), storage_partition_impl_->GetURLRequestContext()));
+ AddFilter(new FileAPIMessageFilter(
+ GetID(), storage_partition_impl_->GetURLRequestContext(),
+ storage_partition_impl_->GetFileSystemContext(),
+ ChromeBlobStorageContext::GetFor(browser_context),
+ StreamContext::GetFor(browser_context)));
+ AddFilter(new FileUtilitiesMessageFilter(GetID()));
+ AddFilter(new MimeRegistryMessageFilter());
+ AddFilter(
+ new DatabaseMessageFilter(storage_partition_impl_->GetDatabaseTracker()));
+#if defined(OS_MACOSX)
+ AddFilter(new TextInputClientMessageFilter(GetID()));
+#elif defined(OS_WIN)
+ // The FontCacheDispatcher is required only when we're using GDI rendering.
+ // TODO(scottmg): pdf/ppapi still require the renderer to be able to precache
+ // GDI fonts (http://crbug.com/383227), even when using DirectWrite. This
+ // should eventually be if (!ShouldUseDirectWrite()) guarded.
+ channel_->AddFilter(new FontCacheDispatcher());
+#elif defined(OS_ANDROID)
+ browser_demuxer_android_ = new BrowserDemuxerAndroid();
+ AddFilter(browser_demuxer_android_.get());
+#endif
+#if defined(ENABLE_BROWSER_CDMS)
+ AddFilter(new BrowserCdmManager(GetID(), NULL));
+#endif
+
+ WebSocketDispatcherHost::GetRequestContextCallback
+ websocket_request_context_callback(
+ base::Bind(&GetRequestContext, request_context, media_request_context,
+ RESOURCE_TYPE_SUB_RESOURCE));
+
+ AddFilter(
+ new WebSocketDispatcherHost(GetID(), websocket_request_context_callback));
+
+ message_port_message_filter_ = new MessagePortMessageFilter(
+ base::Bind(&RenderWidgetHelper::GetNextRoutingID,
+ base::Unretained(widget_helper_.get())));
+ AddFilter(message_port_message_filter_.get());
+
+ scoped_refptr<CacheStorageDispatcherHost> cache_storage_filter =
+ new CacheStorageDispatcherHost();
+ cache_storage_filter->Init(storage_partition_impl_->GetCacheStorageContext());
+ AddFilter(cache_storage_filter.get());
+
+ scoped_refptr<ServiceWorkerDispatcherHost> service_worker_filter =
+ new ServiceWorkerDispatcherHost(
+ GetID(), message_port_message_filter_.get(), resource_context);
+ service_worker_filter->Init(
+ storage_partition_impl_->GetServiceWorkerContext());
+ AddFilter(service_worker_filter.get());
+
+ AddFilter(new SharedWorkerMessageFilter(
+ GetID(), resource_context,
+ WorkerStoragePartition(
+ storage_partition_impl_->GetURLRequestContext(),
+ storage_partition_impl_->GetMediaURLRequestContext(),
+ storage_partition_impl_->GetAppCacheService(),
+ storage_partition_impl_->GetQuotaManager(),
+ storage_partition_impl_->GetFileSystemContext(),
+ storage_partition_impl_->GetDatabaseTracker(),
+ storage_partition_impl_->GetIndexedDBContext(),
+ storage_partition_impl_->GetServiceWorkerContext()),
+ message_port_message_filter_.get()));
+
+#if defined(ENABLE_WEBRTC)
+ p2p_socket_dispatcher_host_ = new P2PSocketDispatcherHost(
+ resource_context,
+ browser_context->GetRequestContextForRenderProcess(GetID()));
+ AddFilter(p2p_socket_dispatcher_host_.get());
+#endif
+
+ AddFilter(new TraceMessageFilter(GetID()));
+ AddFilter(new ResolveProxyMsgHelper(
+ browser_context->GetRequestContextForRenderProcess(GetID())));
+ AddFilter(new QuotaDispatcherHost(
+ GetID(), storage_partition_impl_->GetQuotaManager(),
+ GetContentClient()->browser()->CreateQuotaPermissionContext()));
+
+ notification_message_filter_ = new NotificationMessageFilter(
+ GetID(), storage_partition_impl_->GetPlatformNotificationContext(),
+ resource_context, browser_context);
+ AddFilter(notification_message_filter_.get());
+
+ AddFilter(new GamepadBrowserMessageFilter());
+ AddFilter(new DeviceLightMessageFilter());
+ AddFilter(new DeviceMotionMessageFilter());
+ AddFilter(new DeviceOrientationMessageFilter());
+ AddFilter(new ProfilerMessageFilter(PROCESS_TYPE_RENDERER));
+ AddFilter(new HistogramMessageFilter());
+#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
+ if (browser_command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
+ AddFilter(new MemoryBenchmarkMessageFilter());
+#endif
+ AddFilter(new MemoryMessageFilter());
+ AddFilter(new PushMessagingMessageFilter(
+ GetID(), storage_partition_impl_->GetServiceWorkerContext()));
+#if defined(OS_ANDROID)
+ AddFilter(new ScreenOrientationMessageFilterAndroid());
+#endif
+ AddFilter(new GeofencingDispatcherHost(
+ storage_partition_impl_->GetGeofencingManager()));
+ if (browser_command_line.HasSwitch(switches::kEnableWebBluetooth)) {
+ bluetooth_dispatcher_host_ = new BluetoothDispatcherHost(GetID());
+ AddFilter(bluetooth_dispatcher_host_.get());
+ }
+}
+
+void RenderProcessHostImpl::RegisterMojoServices() {
+#if !defined(OS_ANDROID)
+ mojo_application_host_->service_registry()->AddService(
+ base::Bind(&device::BatteryMonitorImpl::Create));
+
+ mojo_application_host_->service_registry()->AddService(
+ base::Bind(&device::VibrationManagerImpl::Create));
+#endif
+
+ mojo_application_host_->service_registry()->AddService(
+ base::Bind(&PermissionServiceContext::CreateService,
+ base::Unretained(permission_service_context_.get())));
+
+ mojo_application_host_->service_registry()->AddService(base::Bind(
+ &BackgroundSyncContextImpl::CreateService,
+ base::Unretained(storage_partition_impl_->GetBackgroundSyncContext())));
+
+ mojo_application_host_->service_registry()->AddService(base::Bind(
+ &content::ServicePortServiceImpl::Create,
+ make_scoped_refptr(storage_partition_impl_->GetNavigatorConnectContext()),
+ message_port_message_filter_));
+
+#if defined(OS_ANDROID)
+ ServiceRegistrarAndroid::RegisterProcessHostServices(
+ mojo_application_host_->service_registry_android());
+#endif
+
+ GetContentClient()->browser()->RegisterRenderProcessMojoServices(
+ mojo_application_host_->service_registry());
+}
+
+int RenderProcessHostImpl::GetNextRoutingID() {
+ return widget_helper_->GetNextRoutingID();
+}
+
+void RenderProcessHostImpl::ResumeDeferredNavigation(
+ const GlobalRequestID& request_id) {
+ widget_helper_->ResumeDeferredNavigation(request_id);
+}
+
+void RenderProcessHostImpl::NotifyTimezoneChange(const std::string& zone_id) {
+ Send(new ViewMsg_TimezoneChange(zone_id));
+}
+
+ServiceRegistry* RenderProcessHostImpl::GetServiceRegistry() {
+ DCHECK(mojo_application_host_);
+ return mojo_application_host_->service_registry();
+}
+
+const base::TimeTicks& RenderProcessHostImpl::GetInitTimeForNavigationMetrics()
+ const {
+ return init_time_;
+}
+
+bool RenderProcessHostImpl::SubscribeUniformEnabled() const {
+ return subscribe_uniform_enabled_;
+}
+
+void RenderProcessHostImpl::OnAddSubscription(unsigned int target) {
+ DCHECK(subscribe_uniform_enabled_);
+ subscription_set_.insert(target);
+ const gpu::ValueState* state = pending_valuebuffer_state_->GetState(target);
+ if (state) {
+ SendUpdateValueState(target, *state);
+ }
+}
+
+void RenderProcessHostImpl::OnRemoveSubscription(unsigned int target) {
+ DCHECK(subscribe_uniform_enabled_);
+ subscription_set_.erase(target);
+}
+
+void RenderProcessHostImpl::SendUpdateValueState(unsigned int target,
+ const gpu::ValueState& state) {
+ DCHECK(subscribe_uniform_enabled_);
+ if (subscription_set_.find(target) != subscription_set_.end()) {
+ GpuProcessHost::SendOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+ CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
+ new GpuMsg_UpdateValueState(id_, target, state));
+ } else {
+ // Store the ValueState locally in case a Valuebuffer subscribes to it later
+ pending_valuebuffer_state_->UpdateState(target, state);
+ }
+}
+
+#if defined(ENABLE_BROWSER_CDMS)
+media::BrowserCdm* RenderProcessHostImpl::GetBrowserCdm(int render_frame_id,
+ int cdm_id) const {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ BrowserCdmManager* manager = BrowserCdmManager::FromProcess(GetID());
+ if (!manager)
+ return nullptr;
+ return manager->GetCdm(render_frame_id, cdm_id);
+}
+#endif
+
+void RenderProcessHostImpl::AddRoute(int32 routing_id,
+ IPC::Listener* listener) {
+ CHECK(!listeners_.Lookup(routing_id)) << "Found Routing ID Conflict: "
+ << routing_id;
+ listeners_.AddWithID(listener, routing_id);
+}
+
+void RenderProcessHostImpl::RemoveRoute(int32 routing_id) {
+ DCHECK(listeners_.Lookup(routing_id) != NULL);
+ listeners_.Remove(routing_id);
+
+ // Keep the one renderer thread around forever in single process mode.
+ if (!run_renderer_in_process())
+ Cleanup();
+}
+
+void RenderProcessHostImpl::AddObserver(RenderProcessHostObserver* observer) {
+ observers_.AddObserver(observer);
+}
+
+void RenderProcessHostImpl::RemoveObserver(
+ RenderProcessHostObserver* observer) {
+ observers_.RemoveObserver(observer);
+}
+
+void RenderProcessHostImpl::ShutdownForBadMessage() {
+ base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+ if (command_line->HasSwitch(switches::kDisableKillAfterBadIPC))
+ return;
+
+ if (run_renderer_in_process()) {
+ // In single process mode it is better if we don't suicide but just
+ // crash.
+ CHECK(false);
+ }
+ // We kill the renderer but don't include a NOTREACHED, because we want the
+ // browser to try to survive when it gets illegal messages from the renderer.
+ Shutdown(RESULT_CODE_KILLED_BAD_MESSAGE, false);
+}
+
+void RenderProcessHostImpl::WidgetRestored() {
+ visible_widgets_++;
+ UpdateProcessPriority();
+ DCHECK(!is_process_backgrounded_);
+}
+
+void RenderProcessHostImpl::WidgetHidden() {
+ // On startup, the browser will call Hide. We ignore this call.
+ if (visible_widgets_ == 0)
+ return;
+
+ --visible_widgets_;
+ if (visible_widgets_ == 0) {
+ DCHECK(!is_process_backgrounded_);
+ UpdateProcessPriority();
+ }
+}
+
+int RenderProcessHostImpl::VisibleWidgetCount() const {
+ return visible_widgets_;
+}
+
+void RenderProcessHostImpl::AudioStateChanged() {
+ UpdateProcessPriority();
+}
+
+bool RenderProcessHostImpl::IsForGuestsOnly() const {
+ return is_for_guests_only_;
+}
+
+StoragePartition* RenderProcessHostImpl::GetStoragePartition() const {
+ return storage_partition_impl_;
+}
+
+static void AppendCompositorCommandLineFlags(base::CommandLine* command_line) {
+ if (IsPropertyTreeVerificationEnabled())
+ command_line->AppendSwitch(cc::switches::kEnablePropertyTreeVerification);
+
+ command_line->AppendSwitchASCII(
+ switches::kNumRasterThreads,
+ base::IntToString(NumberOfRendererRasterThreads()));
+
+ if (IsGpuRasterizationEnabled())
+ command_line->AppendSwitch(switches::kEnableGpuRasterization);
+
+ int msaa_sample_count = GpuRasterizationMSAASampleCount();
+ if (msaa_sample_count >= 0) {
+ command_line->AppendSwitchASCII(switches::kGpuRasterizationMSAASampleCount,
+ base::IntToString(msaa_sample_count));
+ }
+
+ if (IsZeroCopyUploadEnabled())
+ command_line->AppendSwitch(switches::kEnableZeroCopy);
+ if (IsPersistentGpuMemoryBufferEnabled())
+ command_line->AppendSwitch(switches::kEnablePersistentGpuMemoryBuffer);
+
+ if (IsForceGpuRasterizationEnabled())
+ command_line->AppendSwitch(switches::kForceGpuRasterization);
+
+ gfx::BufferUsage buffer_usage = IsPersistentGpuMemoryBufferEnabled()
+ ? gfx::BufferUsage::PERSISTENT_MAP
+ : gfx::BufferUsage::MAP;
+ std::vector<unsigned> image_targets(
+ static_cast<size_t>(gfx::BufferFormat::LAST) + 1, GL_TEXTURE_2D);
+ for (size_t format = 0;
+ format < static_cast<size_t>(gfx::BufferFormat::LAST) + 1; format++) {
+ image_targets[format] =
+ BrowserGpuMemoryBufferManager::GetImageTextureTarget(
+ static_cast<gfx::BufferFormat>(format), buffer_usage);
+ }
+ command_line->AppendSwitchASCII(switches::kContentImageTextureTarget,
+ UintVectorToString(image_targets));
+
+ command_line->AppendSwitchASCII(
+ switches::kVideoImageTextureTarget,
+ base::UintToString(BrowserGpuMemoryBufferManager::GetImageTextureTarget(
+ gfx::BufferFormat::R_8, gfx::BufferUsage::MAP)));
+
+ // Appending disable-gpu-feature switches due to software rendering list.
+ GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
+ DCHECK(gpu_data_manager);
+ gpu_data_manager->AppendRendererCommandLine(command_line);
+}
+
+void RenderProcessHostImpl::AppendRendererCommandLine(
+ base::CommandLine* command_line) const {
+ // Pass the process type first, so it shows first in process listings.
+ command_line->AppendSwitchASCII(switches::kProcessType,
+ switches::kRendererProcess);
+
+ // Now send any options from our own command line we want to propagate.
+ const base::CommandLine& browser_command_line =
+ *base::CommandLine::ForCurrentProcess();
+ PropagateBrowserCommandLineToRenderer(browser_command_line, command_line);
+
+ // Pass on the browser locale.
+ const std::string locale =
+ GetContentClient()->browser()->GetApplicationLocale();
+ command_line->AppendSwitchASCII(switches::kLang, locale);
+
+ // If we run base::FieldTrials, we want to pass to their state to the
+ // renderer so that it can act in accordance with each state, or record
+ // histograms relating to the base::FieldTrial states.
+ std::string field_trial_states;
+ base::FieldTrialList::AllStatesToString(&field_trial_states);
+ if (!field_trial_states.empty()) {
+ command_line->AppendSwitchASCII(switches::kForceFieldTrials,
+ field_trial_states);
+ }
+
+ GetContentClient()->browser()->AppendExtraCommandLineSwitches(command_line,
+ GetID());
+
+ if (IsPinchToZoomEnabled())
+ command_line->AppendSwitch(switches::kEnablePinch);
+
+#if defined(OS_WIN)
+ command_line->AppendSwitchASCII(switches::kDeviceScaleFactor,
+ base::DoubleToString(gfx::GetDPIScale()));
+#endif
+
+ AppendCompositorCommandLineFlags(command_line);
+}
+
+void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
+ const base::CommandLine& browser_cmd,
+ base::CommandLine* renderer_cmd) const {
+ // Propagate the following switches to the renderer command line (along
+ // with any associated values) if present in the browser command line.
+ static const char* const kSwitchNames[] = {
+ switches::kAllowLoopbackInPeerConnection,
+ switches::kAudioBufferSize,
+ switches::kBlinkPlatformLogChannels,
+ switches::kBlinkSettings,
+ switches::kDefaultTileWidth,
+ switches::kDefaultTileHeight,
+ switches::kDisable3DAPIs,
+ switches::kDisableAcceleratedJpegDecoding,
+ switches::kDisableAcceleratedVideoDecode,
+ switches::kDisableBlinkFeatures,
+ switches::kDisableBreakpad,
+ switches::kDisablePreferCompositingToLCDText,
+ switches::kDisableDatabases,
+ switches::kDisableDelayAgnosticAec,
+ switches::kDisableDirectNPAPIRequests,
+ switches::kDisableDisplayList2dCanvas,
+ switches::kDisableDistanceFieldText,
+ switches::kDisableEncryptedMedia,
+ switches::kDisableFeatures,
+ switches::kDisableFileSystem,
+ switches::kDisableGpuCompositing,
+ switches::kDisableGpuMemoryBufferVideoFrames,
+ switches::kDisableGpuVsync,
+ switches::kDisableLowResTiling,
+ switches::kDisableHistogramCustomizer,
+ switches::kDisableIconNtp,
+ switches::kDisableLCDText,
+ switches::kDisableLocalStorage,
+ switches::kDisableLogging,
+ switches::kDisableMediaSource,
+ switches::kDisableMojoChannel,
+ switches::kDisableNotifications,
+ switches::kDisableOverlayScrollbar,
+ switches::kDisablePermissionsAPI,
+ switches::kDisablePresentationAPI,
+ switches::kDisablePinch,
+ switches::kDisableRGBA4444Textures,
+ switches::kDisableSeccompFilterSandbox,
+ switches::kDisableSharedWorkers,
+ switches::kDisableSpeechAPI,
+ switches::kDisableSVG1DOM,
+ switches::kDisableThreadedCompositing,
+ switches::kDisableThreadedScrolling,
+ switches::kDisableTouchAdjustment,
+ switches::kDisableTouchDragDrop,
+ switches::kDisableTouchEditing,
+ switches::kDisableV8IdleTasks,
+ switches::kDomAutomationController,
+ switches::kEnableBleedingEdgeRenderingFastPaths,
+ switches::kEnableBlinkFeatures,
+ switches::kEnableBrowserSideNavigation,
+ switches::kEnableCompositorAnimationTimelines,
+ switches::kEnableCredentialManagerAPI,
+ switches::kEnableDisplayList2dCanvas,
+ switches::kEnableDistanceFieldText,
+ switches::kEnableExperimentalCanvasFeatures,
+ switches::kEnableExperimentalWebPlatformFeatures,
+ switches::kEnableFeatures,
+ switches::kEnableGPUClientLogging,
+ switches::kEnableGpuClientTracing,
+ switches::kEnableGpuMemoryBufferVideoFrames,
+ switches::kEnableGPUServiceLogging,
+ switches::kEnableIconNtp,
+ switches::kEnableLinkDisambiguationPopup,
+ switches::kEnableLowResTiling,
+ switches::kEnableInbandTextTracks,
+ switches::kEnableLCDText,
+ switches::kEnableLogging,
+ switches::kEnableMemoryBenchmarking,
+ switches::kEnableNetworkInformation,
+ switches::kEnableOverlayScrollbar,
+ switches::kEnablePinch,
+ switches::kEnablePluginPlaceholderTesting,
+ switches::kEnablePreciseMemoryInfo,
+ switches::kEnablePreferCompositingToLCDText,
+ switches::kEnablePrefixedEncryptedMedia,
+ switches::kEnablePushMessagePayload,
+ switches::kEnableRGBA4444Textures,
+ switches::kEnableRendererMojoChannel,
+ switches::kEnableRTCSmoothnessAlgorithm,
+ switches::kEnableSeccompFilterSandbox,
+ switches::kEnableSkiaBenchmarking,
+ switches::kEnableSlimmingPaintV2,
+ switches::kEnableSmoothScrolling,
+ switches::kEnableStatsTable,
+ switches::kEnableThreadedCompositing,
+ switches::kEnableTouchDragDrop,
+ switches::kEnableTouchEditing,
+ switches::kEnableUnsafeES3APIs,
+ switches::kEnableViewport,
+ switches::kEnableVtune,
+ switches::kEnableWebBluetooth,
+ switches::kEnableWebGLDraftExtensions,
+ switches::kEnableWebGLImageChromium,
+ switches::kEnableWebVR,
+ switches::kExplicitlyAllowedPorts,
+ switches::kForceDeviceScaleFactor,
+ switches::kForceDisplayList2dCanvas,
+ switches::kForceOverlayFullscreenVideo,
+ switches::kFullMemoryCrashReport,
+ switches::kInertVisualViewport,
+ switches::kIPCConnectionTimeout,
+ switches::kJavaScriptFlags,
+ switches::kLoggingLevel,
+ switches::kMainFrameResizesAreOrientationChanges,
+ switches::kMaxUntiledLayerWidth,
+ switches::kMaxUntiledLayerHeight,
+ switches::kMemoryMetrics,
+ switches::kNoReferrers,
+ switches::kNoSandbox,
+ switches::kOverridePluginPowerSaverForTesting,
+ switches::kPpapiInProcess,
+ switches::kProfilerTiming,
+ switches::kReducedReferrerGranularity,
+ switches::kReduceSecurityForTesting,
+ switches::kRegisterPepperPlugins,
+ switches::kRendererStartupDialog,
+ switches::kRootLayerScrolls,
+ switches::kShowPaintRects,
+ switches::kSitePerProcess,
+ switches::kStatsCollectionController,
+ switches::kTestType,
+ switches::kTouchEvents,
+ switches::kTouchTextSelectionStrategy,
+ switches::kTraceConfigFile,
+ switches::kTraceToConsole,
+ // This flag needs to be propagated to the renderer process for
+ // --in-process-webgl.
+ switches::kUseGL,
+ switches::kUseMobileUserAgent,
+ switches::kUseNormalPriorityForTileTaskWorkerThreads,
+ switches::kV,
+ switches::kVideoThreads,
+ switches::kVideoUnderflowThresholdMs,
+ switches::kVModule,
+ // Please keep these in alphabetical order. Compositor switches here should
+ // also be added to chrome/browser/chromeos/login/chrome_restart_request.cc.
+ cc::switches::kDisableCompositedAntialiasing,
+ cc::switches::kDisableMainFrameBeforeActivation,
+ cc::switches::kDisableThreadedAnimation,
+ cc::switches::kEnableBeginFrameScheduling,
+ cc::switches::kEnableGpuBenchmarking,
+ cc::switches::kEnableMainFrameBeforeActivation,
+ cc::switches::kShowCompositedLayerBorders,
+ cc::switches::kShowFPSCounter,
+ cc::switches::kShowLayerAnimationBounds,
+ cc::switches::kShowPropertyChangedRects,
+ cc::switches::kShowReplicaScreenSpaceRects,
+ cc::switches::kShowScreenSpaceRects,
+ cc::switches::kShowSurfaceDamageRects,
+ cc::switches::kSlowDownRasterScaleFactor,
+ cc::switches::kStrictLayerPropertyChangeChecking,
+ cc::switches::kTopControlsHideThreshold,
+ cc::switches::kTopControlsShowThreshold,
+
+#if defined(ENABLE_PLUGINS)
+ switches::kEnablePepperTesting,
+#endif
+#if defined(ENABLE_WEBRTC)
+ switches::kDisableWebRtcHWDecoding,
+ switches::kDisableWebRtcHWEncoding,
+ switches::kEnableWebRtcDtls12,
+ switches::kEnableWebRtcHWH264Encoding,
+ switches::kEnableWebRtcStunOrigin,
+ switches::kWebRtcMaxCaptureFramerate,
+#endif
+ switches::kEnableLowEndDeviceMode,
+ switches::kDisableLowEndDeviceMode,
+#if defined(OS_ANDROID)
+ switches::kDisableGestureRequirementForMediaPlayback,
+ switches::kDisableWebAudio,
+ switches::kRendererWaitForJavaDebugger,
+#endif
+#if defined(OS_MACOSX)
+ // Allow this to be set when invoking the browser and relayed along.
+ switches::kEnableSandboxLogging,
+#endif
+#if defined(OS_WIN)
+ switches::kDisableDirectWrite,
+ switches::kDisableWin32kRendererLockDown,
+ switches::kTraceExportEventsToETW,
+#endif
+#if defined(USE_OZONE)
+ switches::kOzonePlatform,
+#endif
+#if defined(OS_CHROMEOS)
+ switches::kDisableVaapiAcceleratedVideoEncode,
+#endif
+ };
+ renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
+ arraysize(kSwitchNames));
+
+ if (browser_cmd.HasSwitch(switches::kTraceStartup) &&
+ BrowserMainLoop::GetInstance()->is_tracing_startup_for_duration()) {
+ // Pass kTraceStartup switch to renderer only if startup tracing has not
+ // finished.
+ renderer_cmd->AppendSwitchASCII(
+ switches::kTraceStartup,
+ browser_cmd.GetSwitchValueASCII(switches::kTraceStartup));
+ }
+
+#if defined(ENABLE_WEBRTC)
+ // Only run the Stun trials in the first renderer.
+ if (!has_done_stun_trials &&
+ browser_cmd.HasSwitch(switches::kWebRtcStunProbeTrialParameter)) {
+ has_done_stun_trials = true;
+ renderer_cmd->AppendSwitchASCII(
+ switches::kWebRtcStunProbeTrialParameter,
+ browser_cmd.GetSwitchValueASCII(
+ switches::kWebRtcStunProbeTrialParameter));
+ }
+#endif
+
+ // Disable databases in incognito mode.
+ if (GetBrowserContext()->IsOffTheRecord() &&
+ !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
+ renderer_cmd->AppendSwitch(switches::kDisableDatabases);
+ }
+
+ // Add kWaitForDebugger to let renderer process wait for a debugger.
+ if (browser_cmd.HasSwitch(switches::kWaitForDebuggerChildren)) {
+ // Look to pass-on the kWaitForDebugger flag.
+ std::string value =
+ browser_cmd.GetSwitchValueASCII(switches::kWaitForDebuggerChildren);
+ if (value.empty() || value == switches::kRendererProcess) {
+ renderer_cmd->AppendSwitch(switches::kWaitForDebugger);
+ }
+ }
+}
+
+base::ProcessHandle RenderProcessHostImpl::GetHandle() const {
+ if (run_renderer_in_process())
+ return base::GetCurrentProcessHandle();
+
+ if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
+ return base::kNullProcessHandle;
+
+ return child_process_launcher_->GetProcess().Handle();
+}
+
+bool RenderProcessHostImpl::Shutdown(int exit_code, bool wait) {
+ if (run_renderer_in_process())
+ return false; // Single process mode never shuts down the renderer.
+
+#if defined(OS_ANDROID)
+ // Android requires a different approach for killing.
+ StopChildProcess(GetHandle());
+ return true;
+#else
+ if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
+ return false;
+
+ return child_process_launcher_->GetProcess().Terminate(exit_code, wait);
+#endif
+}
+
+bool RenderProcessHostImpl::FastShutdownIfPossible() {
+ if (run_renderer_in_process())
+ return false; // Single process mode never shuts down the renderer.
+
+ if (!GetContentClient()->browser()->IsFastShutdownPossible())
+ return false;
+
+ if (!child_process_launcher_.get() || child_process_launcher_->IsStarting() ||
+ !GetHandle())
+ return false; // Render process hasn't started or is probably crashed.
+
+ // Test if there's an unload listener.
+ // NOTE: It's possible that an onunload listener may be installed
+ // while we're shutting down, so there's a small race here. Given that
+ // the window is small, it's unlikely that the web page has much
+ // state that will be lost by not calling its unload handlers properly.
+ if (!SuddenTerminationAllowed())
+ return false;
+
+ if (worker_ref_count_ != 0) {
+ if (survive_for_worker_start_time_.is_null())
+ survive_for_worker_start_time_ = base::TimeTicks::Now();
+ return false;
+ }
+
+ // Set this before ProcessDied() so observers can tell if the render process
+ // died due to fast shutdown versus another cause.
+ fast_shutdown_started_ = true;
+
+ ProcessDied(false /* already_dead */, nullptr);
+ return true;
+}
+
+bool RenderProcessHostImpl::Send(IPC::Message* msg) {
+ TRACE_EVENT0("renderer_host", "RenderProcessHostImpl::Send");
+ if (!channel_) {
+ if (!is_initialized_) {
+ queued_messages_.push(msg);
+ return true;
+ } else {
+ delete msg;
+ return false;
+ }
+ }
+
+ if (child_process_launcher_.get() && child_process_launcher_->IsStarting()) {
+ queued_messages_.push(msg);
+ return true;
+ }
+
+ return channel_->Send(msg);
+}
+
+bool RenderProcessHostImpl::OnMessageReceived(const IPC::Message& msg) {
+ // If we're about to be deleted, or have initiated the fast shutdown sequence,
+ // we ignore incoming messages.
+
+ if (deleting_soon_ || fast_shutdown_started_)
+ return false;
+
+ mark_child_process_activity_time();
+ if (msg.routing_id() == MSG_ROUTING_CONTROL) {
+ // Dispatch control messages.
+ IPC_BEGIN_MESSAGE_MAP(RenderProcessHostImpl, msg)
+ IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ShutdownRequest,
+ OnShutdownRequest)
+ IPC_MESSAGE_HANDLER(RenderProcessHostMsg_SuddenTerminationChanged,
+ SuddenTerminationChanged)
+ IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
+ OnUserMetricsRecordAction)
+ IPC_MESSAGE_HANDLER(ViewHostMsg_SavedPageAsMHTML, OnSavedPageAsMHTML)
+ IPC_MESSAGE_HANDLER(ViewHostMsg_Close_ACK, OnCloseACK)
+#if defined(ENABLE_WEBRTC)
+ IPC_MESSAGE_HANDLER(AecDumpMsg_RegisterAecDumpConsumer,
+ OnRegisterAecDumpConsumer)
+ IPC_MESSAGE_HANDLER(AecDumpMsg_UnregisterAecDumpConsumer,
+ OnUnregisterAecDumpConsumer)
+#endif
+ // Adding single handlers for your service here is fine, but once your
+ // service needs more than one handler, please extract them into a new
+ // message filter and add that filter to CreateMessageFilters().
+ IPC_END_MESSAGE_MAP()
+
+ return true;
+ }
+
+ // Dispatch incoming messages to the appropriate IPC::Listener.
+ IPC::Listener* listener = listeners_.Lookup(msg.routing_id());
+ if (!listener) {
+ if (msg.is_sync()) {
+ // The listener has gone away, so we must respond or else the caller will
+ // hang waiting for a reply.
+ IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg);
+ reply->set_reply_error();
+ Send(reply);
+ }
+ return true;
+ }
+ return listener->OnMessageReceived(msg);
+}
+
+void RenderProcessHostImpl::OnChannelConnected(int32 peer_pid) {
+#if defined(IPC_MESSAGE_LOG_ENABLED)
+ Send(new ChildProcessMsg_SetIPCLoggingEnabled(
+ IPC::Logging::GetInstance()->Enabled()));
+#endif
+
+ tracked_objects::ThreadData::Status status =
+ tracked_objects::ThreadData::status();
+ Send(new ChildProcessMsg_SetProfilerStatus(status));
+
+#if defined(OS_MACOSX) && !defined(OS_IOS)
+ io_surface_manager_token_ =
+ BrowserIOSurfaceManager::GetInstance()->GenerateChildProcessToken(
+ GetID());
+ Send(new ChildProcessMsg_SetIOSurfaceManagerToken(io_surface_manager_token_));
+#endif
+
+#if defined(USE_OZONE)
+ Send(new ChildProcessMsg_InitializeClientNativePixmapFactory(
+ base::FileDescriptor(
+ ui::OzonePlatform::GetInstance()->OpenClientNativePixmapDevice())));
+#endif
+
+ // Inform AudioInputRendererHost about the new render process PID.
+ // AudioInputRendererHost is reference counted, so it's lifetime is
+ // guarantueed during the lifetime of the closure.
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioInputRendererHost::set_renderer_pid,
+ audio_input_renderer_host_, peer_pid));
+}
+
+void RenderProcessHostImpl::OnChannelError() {
+ ProcessDied(true /* already_dead */, nullptr);
+}
+
+void RenderProcessHostImpl::OnBadMessageReceived(const IPC::Message& message) {
+ // Message de-serialization failed. We consider this a capital crime. Kill the
+ // renderer if we have one.
+ auto type = message.type();
+ LOG(ERROR) << "bad message " << type << " terminating renderer.";
+ BrowserChildProcessHostImpl::HistogramBadMessageTerminated(
+ PROCESS_TYPE_RENDERER);
+
+ // Create a memory dump. This will contain enough stack frames to work out
+ // what the bad message was.
+ base::debug::Alias(&type);
+ base::debug::DumpWithoutCrashing();
+
+ bad_message::ReceivedBadMessage(this,
+ bad_message::RPH_DESERIALIZATION_FAILED);
+}
+
+BrowserContext* RenderProcessHostImpl::GetBrowserContext() const {
+ return browser_context_;
+}
+
+bool RenderProcessHostImpl::InSameStoragePartition(
+ StoragePartition* partition) const {
+ return storage_partition_impl_ == partition;
+}
+
+int RenderProcessHostImpl::GetID() const {
+ return id_;
+}
+
+bool RenderProcessHostImpl::HasConnection() const {
+ return channel_.get() != NULL;
+}
+
+void RenderProcessHostImpl::SetIgnoreInputEvents(bool ignore_input_events) {
+ ignore_input_events_ = ignore_input_events;
+}
+
+bool RenderProcessHostImpl::IgnoreInputEvents() const {
+ return ignore_input_events_;
+}
+
+void RenderProcessHostImpl::Cleanup() {
+ // If within_process_died_observer_ is true, one of our observers performed an
+ // action that caused us to die (e.g. http://crbug.com/339504). Therefore,
+ // delay the destruction until all of the observer callbacks have been made,
+ // and guarantee that the RenderProcessHostDestroyed observer callback is
+ // always the last callback fired.
+ if (within_process_died_observer_) {
+ delayed_cleanup_needed_ = true;
+ return;
+ }
+ delayed_cleanup_needed_ = false;
+
+ // Records the time when the process starts surviving for workers for UMA.
+ if (listeners_.IsEmpty() && worker_ref_count_ > 0 &&
+ survive_for_worker_start_time_.is_null()) {
+ survive_for_worker_start_time_ = base::TimeTicks::Now();
+ }
+
+ // When there are no other owners of this object, we can delete ourselves.
+ if (listeners_.IsEmpty() && worker_ref_count_ == 0) {
+ if (!survive_for_worker_start_time_.is_null()) {
+ UMA_HISTOGRAM_LONG_TIMES(
+ "SharedWorker.RendererSurviveForWorkerTime",
+ base::TimeTicks::Now() - survive_for_worker_start_time_);
+ }
+
+ if (max_worker_count_ > 0) {
+ // Record the max number of workers (SharedWorker or ServiceWorker)
+ // that are simultaneously hosted in this renderer process.
+ UMA_HISTOGRAM_COUNTS("Render.Workers.MaxWorkerCountInRendererProcess",
+ max_worker_count_);
+ }
+
+ // We cannot clean up twice; if this fails, there is an issue with our
+ // control flow.
+ DCHECK(!deleting_soon_);
+
+ DCHECK_EQ(0, pending_views_);
+ FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
+ RenderProcessHostDestroyed(this));
+ NotificationService::current()->Notify(
+ NOTIFICATION_RENDERER_PROCESS_TERMINATED,
+ Source<RenderProcessHost>(this), NotificationService::NoDetails());
+
+#ifndef NDEBUG
+ is_self_deleted_ = true;
+#endif
+ base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
+ deleting_soon_ = true;
+ // It's important not to wait for the DeleteTask to delete the channel
+ // proxy. Kill it off now. That way, in case the profile is going away, the
+ // rest of the objects attached to this RenderProcessHost start going
+ // away first, since deleting the channel proxy will post a
+ // OnChannelClosed() to IPC::ChannelProxy::Context on the IO thread.
+ channel_.reset();
+
+ // The following members should be cleared in ProcessDied() as well!
+ gpu_message_filter_ = NULL;
+ message_port_message_filter_ = NULL;
+
+ RemoveUserData(kSessionStorageHolderKey);
+
+ // Remove ourself from the list of renderer processes so that we can't be
+ // reused in between now and when the Delete task runs.
+ UnregisterHost(GetID());
+
+#if defined(OS_MACOSX) && !defined(OS_IOS)
+ if (!io_surface_manager_token_.IsZero()) {
+ BrowserIOSurfaceManager::GetInstance()->InvalidateChildProcessToken(
+ io_surface_manager_token_);
+ io_surface_manager_token_.SetZero();
+ }
+#endif
+ }
+}
+
+void RenderProcessHostImpl::AddPendingView() {
+ pending_views_++;
+}
+
+void RenderProcessHostImpl::RemovePendingView() {
+ DCHECK(pending_views_);
+ pending_views_--;
+}
+
+void RenderProcessHostImpl::SetSuddenTerminationAllowed(bool enabled) {
+ sudden_termination_allowed_ = enabled;
+}
+
+bool RenderProcessHostImpl::SuddenTerminationAllowed() const {
+ return sudden_termination_allowed_;
+}
+
+base::TimeDelta RenderProcessHostImpl::GetChildProcessIdleTime() const {
+ return base::TimeTicks::Now() - child_process_activity_time_;
+}
+
+void RenderProcessHostImpl::ResumeRequestsForView(int route_id) {
+ widget_helper_->ResumeRequestsForView(route_id);
+}
+
+void RenderProcessHostImpl::FilterURL(bool empty_allowed, GURL* url) {
+ FilterURL(this, empty_allowed, url);
+}
+
+#if defined(ENABLE_WEBRTC)
+void RenderProcessHostImpl::EnableAudioDebugRecordings(
+ const base::FilePath& file) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+ // Enable AEC dump for each registered consumer.
+ base::FilePath file_with_extensions = GetAecDumpFilePathWithExtensions(file);
+ for (std::vector<int>::iterator it = aec_dump_consumers_.begin();
+ it != aec_dump_consumers_.end(); ++it) {
+ EnableAecDumpForId(file_with_extensions, *it);
+ }
+
+ // Enable mic input recording. AudioInputRendererHost is reference counted, so
+ // it's lifetime is guarantueed during the lifetime of the closure.
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioInputRendererHost::EnableDebugRecording,
+ audio_input_renderer_host_, file));
+}
+
+void RenderProcessHostImpl::DisableAudioDebugRecordings() {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+ // Posting on the FILE thread and then replying back on the UI thread is only
+ // for avoiding races between enable and disable. Nothing is done on the FILE
+ // thread.
+ BrowserThread::PostTaskAndReply(
+ BrowserThread::FILE, FROM_HERE, base::Bind(&DisableAecDumpOnFileThread),
+ base::Bind(&RenderProcessHostImpl::SendDisableAecDumpToRenderer,
+ weak_factory_.GetWeakPtr()));
+
+ // AudioInputRendererHost is reference counted, so it's lifetime is
+ // guaranteed during the lifetime of the closure.
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioInputRendererHost::DisableDebugRecording,
+ audio_input_renderer_host_));
+}
+
+void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
+ base::Callback<void(const std::string&)> callback) {
+ webrtc_log_message_callback_ = callback;
+}
+
+RenderProcessHostImpl::WebRtcStopRtpDumpCallback
+RenderProcessHostImpl::StartRtpDump(
+ bool incoming,
+ bool outgoing,
+ const WebRtcRtpPacketCallback& packet_callback) {
+ if (!p2p_socket_dispatcher_host_.get())
+ return WebRtcStopRtpDumpCallback();
+
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&P2PSocketDispatcherHost::StartRtpDump,
+ p2p_socket_dispatcher_host_, incoming,
+ outgoing, packet_callback));
+
+ if (stop_rtp_dump_callback_.is_null()) {
+ stop_rtp_dump_callback_ =
+ base::Bind(&P2PSocketDispatcherHost::StopRtpDumpOnUIThread,
+ p2p_socket_dispatcher_host_);
+ }
+ return stop_rtp_dump_callback_;
+}
+#endif
+
+IPC::ChannelProxy* RenderProcessHostImpl::GetChannel() {
+ return channel_.get();
+}
+
+void RenderProcessHostImpl::AddFilter(BrowserMessageFilter* filter) {
+ channel_->AddFilter(filter->GetFilter());
+}
+
+bool RenderProcessHostImpl::FastShutdownForPageCount(size_t count) {
+ if (GetActiveViewCount() == count)
+ return FastShutdownIfPossible();
+ return false;
+}
+
+bool RenderProcessHostImpl::FastShutdownStarted() const {
+ return fast_shutdown_started_;
+}
+
+// static
+void RenderProcessHostImpl::RegisterHost(int host_id, RenderProcessHost* host) {
+ g_all_hosts.Get().AddWithID(host, host_id);
+}
+
+// static
+void RenderProcessHostImpl::UnregisterHost(int host_id) {
+ RenderProcessHost* host = g_all_hosts.Get().Lookup(host_id);
+ if (!host)
+ return;
+
+ g_all_hosts.Get().Remove(host_id);
+
+ // Look up the map of site to process for the given browser_context,
+ // in case we need to remove this process from it. It will be registered
+ // under any sites it rendered that use process-per-site mode.
+ SiteProcessMap* map =
+ GetSiteProcessMapForBrowserContext(host->GetBrowserContext());
+ map->RemoveProcess(host);
+}
+
+// static
+void RenderProcessHostImpl::FilterURL(RenderProcessHost* rph,
+ bool empty_allowed,
+ GURL* url) {
+ ChildProcessSecurityPolicyImpl* policy =
+ ChildProcessSecurityPolicyImpl::GetInstance();
+
+ if (empty_allowed && url->is_empty())
+ return;
+
+ // The browser process should never hear the swappedout:// URL from any
+ // of the renderer's messages. Check for this in debug builds, but don't
+ // let it crash a release browser.
+ DCHECK(GURL(kSwappedOutURL) != *url);
+
+ if (!url->is_valid()) {
+ // Have to use about:blank for the denied case, instead of an empty GURL.
+ // This is because the browser treats navigation to an empty GURL as a
+ // navigation to the home page. This is often a privileged page
+ // (chrome://newtab/) which is exactly what we don't want.
+ *url = GURL(url::kAboutBlankURL);
+ return;
+ }
+
+ if (url->SchemeIs(url::kAboutScheme)) {
+ // The renderer treats all URLs in the about: scheme as being about:blank.
+ // Canonicalize about: URLs to about:blank.
+ *url = GURL(url::kAboutBlankURL);
+ }
+
+ // Do not allow browser plugin guests to navigate to non-web URLs, since they
+ // cannot swap processes or grant bindings.
+ bool non_web_url_in_guest =
+ rph->IsForGuestsOnly() &&
+ !(url->is_valid() && policy->IsWebSafeScheme(url->scheme()));
+
+ if (non_web_url_in_guest || !policy->CanRequestURL(rph->GetID(), *url)) {
+ // If this renderer is not permitted to request this URL, we invalidate the
+ // URL. This prevents us from storing the blocked URL and becoming confused
+ // later.
+ VLOG(1) << "Blocked URL " << url->spec();
+ *url = GURL(url::kAboutBlankURL);
+ }
+}
+
+// static
+bool RenderProcessHostImpl::IsSuitableHost(RenderProcessHost* host,
+ BrowserContext* browser_context,
+ const GURL& site_url) {
+ if (run_renderer_in_process())
+ return true;
+
+ if (host->GetBrowserContext() != browser_context)
+ return false;
+
+ // Do not allow sharing of guest hosts. This is to prevent bugs where guest
+ // and non-guest storage gets mixed. In the future, we might consider enabling
+ // the sharing of guests, in this case this check should be removed and
+ // InSameStoragePartition should handle the possible sharing.
+ if (host->IsForGuestsOnly())
+ return false;
+
+ // Check whether the given host and the intended site_url will be using the
+ // same StoragePartition, since a RenderProcessHost can only support a single
+ // StoragePartition. This is relevant for packaged apps.
+ StoragePartition* dest_partition =
+ BrowserContext::GetStoragePartitionForSite(browser_context, site_url);
+ if (!host->InSameStoragePartition(dest_partition))
+ return false;
+
+ // TODO(nick): Consult the SiteIsolationPolicy here. https://crbug.com/513036
+ if (ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings(
+ host->GetID()) !=
+ WebUIControllerFactoryRegistry::GetInstance()->UseWebUIBindingsForURL(
+ browser_context, site_url)) {
+ return false;
+ }
+
+ return GetContentClient()->browser()->IsSuitableHost(host, site_url);
+}
+
+// static
+bool RenderProcessHost::run_renderer_in_process() {
+ return g_run_renderer_in_process_;
+}
+
+// static
+void RenderProcessHost::SetRunRendererInProcess(bool value) {
+ g_run_renderer_in_process_ = value;
+
+ base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+ if (value) {
+ if (!command_line->HasSwitch(switches::kLang)) {
+ // Modify the current process' command line to include the browser locale,
+ // as the renderer expects this flag to be set.
+ const std::string locale =
+ GetContentClient()->browser()->GetApplicationLocale();
+ command_line->AppendSwitchASCII(switches::kLang, locale);
+ }
+ // TODO(piman): we should really send configuration through bools rather
+ // than by parsing strings, i.e. sending an IPC rather than command line
+ // args. crbug.com/314909
+ AppendCompositorCommandLineFlags(command_line);
+ }
+}
+
+// static
+RenderProcessHost::iterator RenderProcessHost::AllHostsIterator() {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ return iterator(g_all_hosts.Pointer());
+}
+
+// static
+RenderProcessHost* RenderProcessHost::FromID(int render_process_id) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ return g_all_hosts.Get().Lookup(render_process_id);
+}
+
+// static
+bool RenderProcessHost::ShouldTryToUseExistingProcessHost(
+ BrowserContext* browser_context,
+ const GURL& url) {
+ // If --site-per-process is enabled, do not try to reuse renderer processes
+ // when over the limit.
+ // TODO(nick): This is overly conservative and isn't launchable. Move this
+ // logic into IsSuitableHost, and check |url| against the URL the process is
+ // dedicated to. This will allow pages from the same site to share, and will
+ // also allow non-isolated sites to share processes. https://crbug.com/513036
+ if (SiteIsolationPolicy::AreCrossProcessFramesPossible())
+ return false;
+
+ if (run_renderer_in_process())
+ return true;
+
+ // NOTE: Sometimes it's necessary to create more render processes than
+ // GetMaxRendererProcessCount(), for instance when we want to create
+ // a renderer process for a browser context that has no existing
+ // renderers. This is OK in moderation, since the
+ // GetMaxRendererProcessCount() is conservative.
+ if (g_all_hosts.Get().size() >= GetMaxRendererProcessCount())
+ return true;
+
+ return GetContentClient()->browser()->ShouldTryToUseExistingProcessHost(
+ browser_context, url);
+}
+
+// static
+RenderProcessHost* RenderProcessHost::GetExistingProcessHost(
+ BrowserContext* browser_context,
+ const GURL& site_url) {
+ // First figure out which existing renderers we can use.
+ std::vector<RenderProcessHost*> suitable_renderers;
+ suitable_renderers.reserve(g_all_hosts.Get().size());
+
+ iterator iter(AllHostsIterator());
+ while (!iter.IsAtEnd()) {
+ if (GetContentClient()->browser()->MayReuseHost(iter.GetCurrentValue()) &&
+ RenderProcessHostImpl::IsSuitableHost(iter.GetCurrentValue(),
+ browser_context, site_url)) {
+ suitable_renderers.push_back(iter.GetCurrentValue());
+ }
+ iter.Advance();
+ }
+
+ // Now pick a random suitable renderer, if we have any.
+ if (!suitable_renderers.empty()) {
+ int suitable_count = static_cast<int>(suitable_renderers.size());
+ int random_index = base::RandInt(0, suitable_count - 1);
+ return suitable_renderers[random_index];
+ }
+
+ return NULL;
+}
+
+// static
+bool RenderProcessHost::ShouldUseProcessPerSite(BrowserContext* browser_context,
+ const GURL& url) {
+ // Returns true if we should use the process-per-site model. This will be
+ // the case if the --process-per-site switch is specified, or in
+ // process-per-site-instance for particular sites (e.g., WebUI).
+ // Note that --single-process is handled in ShouldTryToUseExistingProcessHost.
+ const base::CommandLine& command_line =
+ *base::CommandLine::ForCurrentProcess();
+ if (command_line.HasSwitch(switches::kProcessPerSite))
+ return true;
+
+ // We want to consolidate particular sites like WebUI even when we are using
+ // the process-per-tab or process-per-site-instance models.
+ // Note: DevTools pages have WebUI type but should not reuse the same host.
+ if (WebUIControllerFactoryRegistry::GetInstance()->UseWebUIForURL(
+ browser_context, url) &&
+ !url.SchemeIs(kChromeDevToolsScheme)) {
+ return true;
+ }
+
+ // Otherwise let the content client decide, defaulting to false.
+ return GetContentClient()->browser()->ShouldUseProcessPerSite(browser_context,
+ url);
+}
+
+// static
+RenderProcessHost* RenderProcessHostImpl::GetProcessHostForSite(
+ BrowserContext* browser_context,
+ const GURL& url) {
+ // Look up the map of site to process for the given browser_context.
+ SiteProcessMap* map = GetSiteProcessMapForBrowserContext(browser_context);
+
+ // See if we have an existing process with appropriate bindings for this site.
+ // If not, the caller should create a new process and register it.
+ std::string site =
+ SiteInstance::GetSiteForURL(browser_context, url).possibly_invalid_spec();
+ RenderProcessHost* host = map->FindProcess(site);
+ if (host && (!GetContentClient()->browser()->MayReuseHost(host) ||
+ !IsSuitableHost(host, browser_context, url))) {
+ // The registered process does not have an appropriate set of bindings for
+ // the url. Remove it from the map so we can register a better one.
+ RecordAction(
+ base::UserMetricsAction("BindingsMismatch_GetProcessHostPerSite"));
+ map->RemoveProcess(host);
+ host = NULL;
+ }
+
+ return host;
+}
+
+void RenderProcessHostImpl::RegisterProcessHostForSite(
+ BrowserContext* browser_context,
+ RenderProcessHost* process,
+ const GURL& url) {
+ // Look up the map of site to process for the given browser_context.
+ SiteProcessMap* map = GetSiteProcessMapForBrowserContext(browser_context);
+
+ // Only register valid, non-empty sites. Empty or invalid sites will not
+ // use process-per-site mode. We cannot check whether the process has
+ // appropriate bindings here, because the bindings have not yet been granted.
+ std::string site =
+ SiteInstance::GetSiteForURL(browser_context, url).possibly_invalid_spec();
+ if (!site.empty())
+ map->RegisterProcess(site, process);
+}
+
+void RenderProcessHostImpl::ProcessDied(bool already_dead,
+ RendererClosedDetails* known_details) {
+ // Our child process has died. If we didn't expect it, it's a crash.
+ // In any case, we need to let everyone know it's gone.
+ // The OnChannelError notification can fire multiple times due to nested sync
+ // calls to a renderer. If we don't have a valid channel here it means we
+ // already handled the error.
+
+ // It should not be possible for us to be called re-entrantly.
+ DCHECK(!within_process_died_observer_);
+
+ // It should not be possible for a process death notification to come in while
+ // we are dying.
+ DCHECK(!deleting_soon_);
+
+ // child_process_launcher_ can be NULL in single process mode or if fast
+ // termination happened.
+ base::TerminationStatus status = base::TERMINATION_STATUS_NORMAL_TERMINATION;
+ int exit_code = 0;
+ if (known_details) {
+ status = known_details->status;
+ exit_code = known_details->exit_code;
+ } else if (child_process_launcher_.get()) {
+ status = child_process_launcher_->GetChildTerminationStatus(already_dead,
+ &exit_code);
+ if (already_dead && status == base::TERMINATION_STATUS_STILL_RUNNING) {
+ // May be in case of IPC error, if it takes long time for renderer
+ // to exit. Child process will be killed in any case during
+ // child_process_launcher_.reset(). Make sure we will not broadcast
+ // FrameHostMsg_RenderProcessGone with status
+ // TERMINATION_STATUS_STILL_RUNNING, since this will break WebContentsImpl
+ // logic.
+ status = base::TERMINATION_STATUS_PROCESS_CRASHED;
+ }
+ }
+
+ RendererClosedDetails details(status, exit_code);
+ mojo_application_host_->WillDestroySoon();
+
+ child_process_launcher_.reset();
+ channel_.reset();
+ while (!queued_messages_.empty()) {
+ delete queued_messages_.front();
+ queued_messages_.pop();
+ }
+ UpdateProcessPriority();
+ DCHECK(!is_process_backgrounded_);
+
+ within_process_died_observer_ = true;
+ NotificationService::current()->Notify(
+ NOTIFICATION_RENDERER_PROCESS_CLOSED, Source<RenderProcessHost>(this),
+ Details<RendererClosedDetails>(&details));
+ FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
+ RenderProcessExited(this, status, exit_code));
+ within_process_died_observer_ = false;
+
+ gpu_message_filter_ = NULL;
+ message_port_message_filter_ = NULL;
+ RemoveUserData(kSessionStorageHolderKey);
+
+ // RenderProcessGone handlers might navigate or perform other actions that
+ // require a connection. Ensure that there is one before calling them.
+ mojo_application_host_.reset(new MojoApplicationHost);
+
+ IDMap<IPC::Listener>::iterator iter(&listeners_);
+ while (!iter.IsAtEnd()) {
+ iter.GetCurrentValue()->OnMessageReceived(FrameHostMsg_RenderProcessGone(
+ iter.GetCurrentKey(), static_cast<int>(status), exit_code));
+ iter.Advance();
+ }
+
+ // It's possible that one of the calls out to the observers might have caused
+ // this object to be no longer needed.
+ if (delayed_cleanup_needed_)
+ Cleanup();
+
+ // This object is not deleted at this point and might be reused later.
+ // TODO(darin): clean this up
+}
+
+size_t RenderProcessHost::GetActiveViewCount() {
+ size_t num_active_views = 0;
+ scoped_ptr<RenderWidgetHostIterator> widgets(
+ RenderWidgetHost::GetRenderWidgetHosts());
+ while (RenderWidgetHost* widget = widgets->GetNextHost()) {
+ // Count only RenderWidgetHosts in this process.
+ if (widget->GetProcess()->GetID() == GetID())
+ num_active_views++;
+ }
+ return num_active_views;
+}
+
+#if defined(ENABLE_WEBRTC)
+void RenderProcessHostImpl::WebRtcLogMessage(const std::string& message) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ if (!webrtc_log_message_callback_.is_null())
+ webrtc_log_message_callback_.Run(message);
+}
+#endif
+
+void RenderProcessHostImpl::ReleaseOnCloseACK(
+ RenderProcessHost* host,
+ const SessionStorageNamespaceMap& sessions,
+ int view_route_id) {
+ DCHECK(host);
+ if (sessions.empty())
+ return;
+ SessionStorageHolder* holder = static_cast<SessionStorageHolder*>(
+ host->GetUserData(kSessionStorageHolderKey));
+ if (!holder) {
+ holder = new SessionStorageHolder();
+ host->SetUserData(kSessionStorageHolderKey, holder);
+ }
+ holder->Hold(sessions, view_route_id);
+}
+
+void RenderProcessHostImpl::OnShutdownRequest() {
+ // Don't shut down if there are active RenderViews, or if there are pending
+ // RenderViews being swapped back in.
+ // In single process mode, we never shutdown the renderer.
+ if (pending_views_ || run_renderer_in_process() || GetActiveViewCount() > 0)
+ return;
+
+ // Notify any contents that might have swapped out renderers from this
+ // process. They should not attempt to swap them back in.
+ FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
+ RenderProcessWillExit(this));
+
+ mojo_application_host_->WillDestroySoon();
+
+ Send(new ChildProcessMsg_Shutdown());
+}
+
+void RenderProcessHostImpl::SuddenTerminationChanged(bool enabled) {
+ SetSuddenTerminationAllowed(enabled);
+}
+
+void RenderProcessHostImpl::UpdateProcessPriority() {
+ if (!child_process_launcher_.get() || child_process_launcher_->IsStarting()) {
+ is_process_backgrounded_ = false;
+ return;
+ }
+
+ // We background a process as soon as it hosts no active audio streams and no
+ // visible widgets -- the callers must call this function whenever we
+ // transition in/out of those states.
+ const bool should_background =
+ visible_widgets_ == 0 && !audio_renderer_host_->HasActiveAudio() &&
+ !base::CommandLine::ForCurrentProcess()->HasSwitch(
+ switches::kDisableRendererBackgrounding);
+
+#if !defined(OS_ANDROID)
gab 2015/09/30 13:33:31 Add a TODO with the bug ID here.
sebsg 2015/09/30 18:26:43 Done.
+ if (is_process_backgrounded_ == should_background)
+ return;
+#endif
+
+ TRACE_EVENT1("renderer_host", "RenderProcessHostImpl::UpdateProcessPriority",
+ "should_background", should_background);
+ is_process_backgrounded_ = should_background;
+
+#if defined(OS_WIN)
+ // The cbstext.dll loads as a global GetMessage hook in the browser process
+ // and intercepts/unintercepts the kernel32 API SetPriorityClass in a
+ // background thread. If the UI thread invokes this API just when it is
+ // intercepted the stack is messed up on return from the interceptor
+ // which causes random crashes in the browser process. Our hack for now
+ // is to not invoke the SetPriorityClass API if the dll is loaded.
+ if (GetModuleHandle(L"cbstext.dll"))
+ return;
+#endif // OS_WIN
+
+#if defined(OS_WIN)
+ // Same as below, but bound to an experiment (http://crbug.com/458594 ).
+ // Enabled by default in the absence of field trials to get coverage on the
+ // perf waterfall.
+ base::FieldTrial* trial =
+ base::FieldTrialList::Find("BackgroundRendererProcesses");
+ if (!trial ||
+ !base::StartsWith(trial->group_name(), "Disallow",
+ base::CompareCase::SENSITIVE)) {
+ child_process_launcher_->SetProcessBackgrounded(should_background);
+ }
+#else
+ // Control the background state from the browser process, otherwise the task
+ // telling the renderer to "unbackground" itself may be preempted by other
+ // tasks executing at lowered priority ahead of it or simply by not being
+ // swiftly scheduled by the OS per the low process priority
+ // (http://crbug.com/398103).
+ child_process_launcher_->SetProcessBackgrounded(should_background);
+#endif // OS_WIN
+
+ // Notify the child process of background state.
+ Send(new ChildProcessMsg_SetProcessBackgrounded(should_background));
+}
+
+void RenderProcessHostImpl::OnProcessLaunched() {
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile1(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::Start"));
+ // No point doing anything, since this object will be destructed soon. We
+ // especially don't want to send the RENDERER_PROCESS_CREATED notification,
+ // since some clients might expect a RENDERER_PROCESS_TERMINATED afterwards to
+ // properly cleanup.
+ if (deleting_soon_)
+ return;
+
+ if (child_process_launcher_) {
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile2(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::Backgrounded"));
+ DCHECK(child_process_launcher_->GetProcess().IsValid());
+ DCHECK(!is_process_backgrounded_);
+
+ is_process_backgrounded_ =
gab 2015/09/30 13:33:31 Add a comment like: // Not all platforms launch p
sebsg 2015/09/30 18:26:43 Done.
+ child_process_launcher_->GetProcess().IsProcessBackgrounded();
+
+ UpdateProcessPriority();
+ }
+
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile3(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::Notify"));
+ // NOTE: This needs to be before sending queued messages because
+ // ExtensionService uses this notification to initialize the renderer process
+ // with state that must be there before any JavaScript executes.
+ //
+ // The queued messages contain such things as "navigate". If this notification
+ // was after, we can end up executing JavaScript before the initialization
+ // happens.
+ NotificationService::current()->Notify(NOTIFICATION_RENDERER_PROCESS_CREATED,
+ Source<RenderProcessHost>(this),
+ NotificationService::NoDetails());
+
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile4(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::MojoActivate"));
+ // Allow Mojo to be setup before the renderer sees any Chrome IPC messages.
+ // This way, Mojo can be safely used from the renderer in response to any
+ // Chrome IPC message.
+ mojo_application_host_->Activate(this, GetHandle());
+
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile5(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::MojoClientLaunch"));
+
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile6(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 "
+ "RenderProcessHostImpl::OnProcessLaunched::SendQueuedMessages"));
+ while (!queued_messages_.empty()) {
+ Send(queued_messages_.front());
+ queued_messages_.pop();
+ }
+
+#if defined(ENABLE_WEBRTC)
+ // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
+ // is fixed.
+ tracked_objects::ScopedTracker tracking_profile7(
+ FROM_HERE_WITH_EXPLICIT_FUNCTION(
+ "465841 RenderProcessHostImpl::OnProcessLaunched::EnableAec"));
+ if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
+ EnableAudioDebugRecordings(
+ WebRTCInternals::GetInstance()->GetAudioDebugRecordingsFilePath());
+ }
+#endif
+}
+
+void RenderProcessHostImpl::OnProcessLaunchFailed() {
+ // If this object will be destructed soon, then observers have already been
+ // sent a RenderProcessHostDestroyed notification, and we must observe our
+ // contract that says that will be the last call.
+ if (deleting_soon_)
+ return;
+
+ // TODO(wfh): Fill in the real error code here see crbug.com/526198.
+ RendererClosedDetails details{base::TERMINATION_STATUS_LAUNCH_FAILED, -1};
+ ProcessDied(true, &details);
+}
+
+scoped_refptr<AudioRendererHost> RenderProcessHostImpl::audio_renderer_host()
+ const {
+ return audio_renderer_host_;
+}
+
+void RenderProcessHostImpl::OnUserMetricsRecordAction(
+ const std::string& action) {
+ RecordComputedAction(action);
+}
+
+void RenderProcessHostImpl::OnCloseACK(int old_route_id) {
+ SessionStorageHolder* holder =
+ static_cast<SessionStorageHolder*>(GetUserData(kSessionStorageHolderKey));
+ if (!holder)
+ return;
+ holder->Release(old_route_id);
+}
+
+void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) {
+ MHTMLGenerationManager::GetInstance()->MHTMLGenerated(job_id, data_size);
+}
+
+void RenderProcessHostImpl::OnGpuSwitched() {
+ // We are updating all widgets including swapped out ones.
+ scoped_ptr<RenderWidgetHostIterator> widgets(
+ RenderWidgetHostImpl::GetAllRenderWidgetHosts());
+ while (RenderWidgetHost* widget = widgets->GetNextHost()) {
+ if (!widget->IsRenderView())
+ continue;
+
+ // Skip widgets in other processes.
+ if (widget->GetProcess()->GetID() != GetID())
+ continue;
+
+ RenderViewHost* rvh = RenderViewHost::From(widget);
+ rvh->OnWebkitPreferencesChanged();
+ }
+}
+
+#if defined(ENABLE_WEBRTC)
+void RenderProcessHostImpl::OnRegisterAecDumpConsumer(int id) {
+ BrowserThread::PostTask(
+ BrowserThread::UI, FROM_HERE,
+ base::Bind(&RenderProcessHostImpl::RegisterAecDumpConsumerOnUIThread,
+ weak_factory_.GetWeakPtr(), id));
+}
+
+void RenderProcessHostImpl::OnUnregisterAecDumpConsumer(int id) {
+ BrowserThread::PostTask(
+ BrowserThread::UI, FROM_HERE,
+ base::Bind(&RenderProcessHostImpl::UnregisterAecDumpConsumerOnUIThread,
+ weak_factory_.GetWeakPtr(), id));
+}
+
+void RenderProcessHostImpl::RegisterAecDumpConsumerOnUIThread(int id) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ aec_dump_consumers_.push_back(id);
+
+ if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
+ base::FilePath file_with_extensions = GetAecDumpFilePathWithExtensions(
+ WebRTCInternals::GetInstance()->GetAudioDebugRecordingsFilePath());
+ EnableAecDumpForId(file_with_extensions, id);
+ }
+}
+
+void RenderProcessHostImpl::UnregisterAecDumpConsumerOnUIThread(int id) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ for (std::vector<int>::iterator it = aec_dump_consumers_.begin();
+ it != aec_dump_consumers_.end(); ++it) {
+ if (*it == id) {
+ aec_dump_consumers_.erase(it);
+ break;
+ }
+ }
+}
+
+void RenderProcessHostImpl::EnableAecDumpForId(const base::FilePath& file,
+ int id) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ BrowserThread::PostTaskAndReplyWithResult(
+ BrowserThread::FILE, FROM_HERE,
+ base::Bind(&CreateAecDumpFileForProcess,
+ file.AddExtension(IntToStringType(id)), GetHandle()),
+ base::Bind(&RenderProcessHostImpl::SendAecDumpFileToRenderer,
+ weak_factory_.GetWeakPtr(), id));
+}
+
+void RenderProcessHostImpl::SendAecDumpFileToRenderer(
+ int id,
+ IPC::PlatformFileForTransit file_for_transit) {
+ if (file_for_transit == IPC::InvalidPlatformFileForTransit())
+ return;
+ Send(new AecDumpMsg_EnableAecDump(id, file_for_transit));
+}
+
+void RenderProcessHostImpl::SendDisableAecDumpToRenderer() {
+ Send(new AecDumpMsg_DisableAecDump());
+}
+
+base::FilePath RenderProcessHostImpl::GetAecDumpFilePathWithExtensions(
+ const base::FilePath& file) {
+ return file.AddExtension(IntToStringType(base::GetProcId(GetHandle())))
+ .AddExtension(kAecDumpFileNameAddition);
+}
+#endif // defined(ENABLE_WEBRTC)
+
+void RenderProcessHostImpl::IncrementWorkerRefCount() {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ ++worker_ref_count_;
+ if (worker_ref_count_ > max_worker_count_)
+ max_worker_count_ = worker_ref_count_;
+}
+
+void RenderProcessHostImpl::DecrementWorkerRefCount() {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+ DCHECK_GT(worker_ref_count_, 0);
+ --worker_ref_count_;
+ if (worker_ref_count_ == 0)
+ Cleanup();
+}
+
+void RenderProcessHostImpl::GetAudioOutputControllers(
+ const GetAudioOutputControllersCallback& callback) const {
+ audio_renderer_host()->GetOutputControllers(callback);
+}
+
+BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() {
+ return bluetooth_dispatcher_host_.get();
+}
+
+} // namespace content
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