render_process_host_impl.cc revision ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16
1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Represents the browser side of the browser <--> renderer communication 6// channel. There will be one RenderProcessHost per renderer process. 7 8#include "content/browser/renderer_host/render_process_host_impl.h" 9 10#include <algorithm> 11#include <limits> 12#include <vector> 13 14#if defined(OS_POSIX) 15#include <utility> // for pair<> 16#endif 17 18#include "base/base_switches.h" 19#include "base/bind.h" 20#include "base/bind_helpers.h" 21#include "base/callback.h" 22#include "base/command_line.h" 23#include "base/debug/trace_event.h" 24#include "base/lazy_instance.h" 25#include "base/logging.h" 26#include "base/metrics/field_trial.h" 27#include "base/metrics/histogram.h" 28#include "base/path_service.h" 29#include "base/platform_file.h" 30#include "base/rand_util.h" 31#include "base/stl_util.h" 32#include "base/strings/string_util.h" 33#include "base/supports_user_data.h" 34#include "base/sys_info.h" 35#include "base/threading/thread.h" 36#include "base/threading/thread_restrictions.h" 37#include "base/tracked_objects.h" 38#include "cc/base/switches.h" 39#include "content/browser/appcache/appcache_dispatcher_host.h" 40#include "content/browser/appcache/chrome_appcache_service.h" 41#include "content/browser/browser_main.h" 42#include "content/browser/browser_main_loop.h" 43#include "content/browser/browser_plugin/browser_plugin_geolocation_permission_context.h" 44#include "content/browser/browser_plugin/browser_plugin_message_filter.h" 45#include "content/browser/child_process_security_policy_impl.h" 46#include "content/browser/device_orientation/device_motion_message_filter.h" 47#include "content/browser/device_orientation/device_orientation_message_filter.h" 48#include "content/browser/device_orientation/orientation_message_filter.h" 49#include "content/browser/dom_storage/dom_storage_context_wrapper.h" 50#include "content/browser/dom_storage/dom_storage_message_filter.h" 51#include "content/browser/download/mhtml_generation_manager.h" 52#include "content/browser/fileapi/chrome_blob_storage_context.h" 53#include "content/browser/fileapi/fileapi_message_filter.h" 54#include "content/browser/geolocation/geolocation_dispatcher_host.h" 55#include "content/browser/gpu/gpu_data_manager_impl.h" 56#include "content/browser/gpu/gpu_process_host.h" 57#include "content/browser/gpu/shader_disk_cache.h" 58#include "content/browser/histogram_message_filter.h" 59#include "content/browser/indexed_db/indexed_db_context_impl.h" 60#include "content/browser/indexed_db/indexed_db_dispatcher_host.h" 61#include "content/browser/loader/resource_message_filter.h" 62#include "content/browser/loader/resource_scheduler_filter.h" 63#include "content/browser/media/media_internals.h" 64#include "content/browser/mime_registry_message_filter.h" 65#include "content/browser/plugin_service_impl.h" 66#include "content/browser/profiler_message_filter.h" 67#include "content/browser/quota_dispatcher_host.h" 68#include "content/browser/renderer_host/clipboard_message_filter.h" 69#include "content/browser/renderer_host/database_message_filter.h" 70#include "content/browser/renderer_host/file_utilities_message_filter.h" 71#include "content/browser/renderer_host/gamepad_browser_message_filter.h" 72#include "content/browser/renderer_host/gpu_message_filter.h" 73#include "content/browser/renderer_host/media/audio_input_renderer_host.h" 74#include "content/browser/renderer_host/media/audio_mirroring_manager.h" 75#include "content/browser/renderer_host/media/audio_renderer_host.h" 76#include "content/browser/renderer_host/media/device_request_message_filter.h" 77#include "content/browser/renderer_host/media/media_stream_dispatcher_host.h" 78#include "content/browser/renderer_host/media/midi_dispatcher_host.h" 79#include "content/browser/renderer_host/media/midi_host.h" 80#include "content/browser/renderer_host/media/peer_connection_tracker_host.h" 81#include "content/browser/renderer_host/media/video_capture_host.h" 82#include "content/browser/renderer_host/memory_benchmark_message_filter.h" 83#include "content/browser/renderer_host/p2p/socket_dispatcher_host.h" 84#include "content/browser/renderer_host/pepper/pepper_message_filter.h" 85#include "content/browser/renderer_host/pepper/pepper_renderer_connection.h" 86#include "content/browser/renderer_host/render_message_filter.h" 87#include "content/browser/renderer_host/render_view_host_delegate.h" 88#include "content/browser/renderer_host/render_view_host_impl.h" 89#include "content/browser/renderer_host/render_widget_helper.h" 90#include "content/browser/renderer_host/render_widget_host_impl.h" 91#include "content/browser/renderer_host/socket_stream_dispatcher_host.h" 92#include "content/browser/renderer_host/text_input_client_message_filter.h" 93#include "content/browser/resolve_proxy_msg_helper.h" 94#include "content/browser/speech/input_tag_speech_dispatcher_host.h" 95#include "content/browser/speech/speech_recognition_dispatcher_host.h" 96#include "content/browser/storage_partition_impl.h" 97#include "content/browser/streams/stream_context.h" 98#include "content/browser/tracing/trace_message_filter.h" 99#include "content/browser/webui/web_ui_controller_factory_registry.h" 100#include "content/browser/worker_host/worker_message_filter.h" 101#include "content/browser/worker_host/worker_storage_partition.h" 102#include "content/common/child_process_host_impl.h" 103#include "content/common/child_process_messages.h" 104#include "content/common/gpu/gpu_messages.h" 105#include "content/common/resource_messages.h" 106#include "content/common/view_messages.h" 107#include "content/port/browser/render_widget_host_view_frame_subscriber.h" 108#include "content/public/browser/browser_context.h" 109#include "content/public/browser/content_browser_client.h" 110#include "content/public/browser/notification_service.h" 111#include "content/public/browser/notification_types.h" 112#include "content/public/browser/render_process_host_factory.h" 113#include "content/public/browser/render_widget_host.h" 114#include "content/public/browser/resource_context.h" 115#include "content/public/browser/user_metrics.h" 116#include "content/public/common/content_constants.h" 117#include "content/public/common/content_switches.h" 118#include "content/public/common/process_type.h" 119#include "content/public/common/result_codes.h" 120#include "content/public/common/url_constants.h" 121#include "content/renderer/render_process_impl.h" 122#include "content/renderer/render_thread_impl.h" 123#include "gpu/command_buffer/service/gpu_switches.h" 124#include "ipc/ipc_channel.h" 125#include "ipc/ipc_logging.h" 126#include "ipc/ipc_platform_file.h" 127#include "ipc/ipc_switches.h" 128#include "media/base/media_switches.h" 129#include "net/url_request/url_request_context_getter.h" 130#include "ppapi/shared_impl/ppapi_switches.h" 131#include "ui/base/ui_base_switches.h" 132#include "ui/gl/gl_switches.h" 133#include "webkit/browser/fileapi/sandbox_file_system_backend.h" 134#include "webkit/common/resource_type.h" 135 136#if defined(OS_ANDROID) 137#include "content/browser/android/vibration_message_filter.h" 138#endif 139 140#if defined(OS_WIN) 141#include "base/win/scoped_com_initializer.h" 142#include "content/common/font_cache_dispatcher_win.h" 143#include "content/common/sandbox_win.h" 144#include "content/public/common/sandboxed_process_launcher_delegate.h" 145#endif 146 147#if defined(ENABLE_WEBRTC) 148#include "content/browser/renderer_host/media/webrtc_identity_service_host.h" 149#endif 150 151#include "third_party/skia/include/core/SkBitmap.h" 152 153extern bool g_exited_main_message_loop; 154 155static const char* kSiteProcessMapKeyName = "content_site_process_map"; 156 157namespace content { 158namespace { 159 160base::MessageLoop* g_in_process_thread; 161 162void CacheShaderInfo(int32 id, base::FilePath path) { 163 ShaderCacheFactory::GetInstance()->SetCacheInfo(id, path); 164} 165 166void RemoveShaderInfo(int32 id) { 167 ShaderCacheFactory::GetInstance()->RemoveCacheInfo(id); 168} 169 170} // namespace 171 172#if !defined(CHROME_MULTIPLE_DLL) 173 174// This class creates the IO thread for the renderer when running in 175// single-process mode. It's not used in multi-process mode. 176class RendererMainThread : public base::Thread { 177 public: 178 explicit RendererMainThread(const std::string& channel_id) 179 : Thread("Chrome_InProcRendererThread"), 180 channel_id_(channel_id) { 181 } 182 183 virtual ~RendererMainThread() { 184 Stop(); 185 } 186 187 protected: 188 virtual void Init() OVERRIDE { 189 render_process_.reset(new RenderProcessImpl()); 190 new RenderThreadImpl(channel_id_); 191 g_in_process_thread = message_loop(); 192 } 193 194 virtual void CleanUp() OVERRIDE { 195 g_in_process_thread = NULL; 196 render_process_.reset(); 197 198 // It's a little lame to manually set this flag. But the single process 199 // RendererThread will receive the WM_QUIT. We don't need to assert on 200 // this thread, so just force the flag manually. 201 // If we want to avoid this, we could create the InProcRendererThread 202 // directly with _beginthreadex() rather than using the Thread class. 203 // We used to set this flag in the Init function above. However there 204 // other threads like WebThread which are created by this thread 205 // which resets this flag. Please see Thread::StartWithOptions. Setting 206 // this flag to true in Cleanup works around these problems. 207 SetThreadWasQuitProperly(true); 208 } 209 210 private: 211 std::string channel_id_; 212 scoped_ptr<RenderProcess> render_process_; 213 214 DISALLOW_COPY_AND_ASSIGN(RendererMainThread); 215}; 216 217#endif 218 219namespace { 220 221// Helper class that we pass to ResourceMessageFilter so that it can find the 222// right net::URLRequestContext for a request. 223class RendererURLRequestContextSelector 224 : public ResourceMessageFilter::URLRequestContextSelector { 225 public: 226 RendererURLRequestContextSelector(BrowserContext* browser_context, 227 int render_child_id) 228 : request_context_(browser_context->GetRequestContextForRenderProcess( 229 render_child_id)), 230 media_request_context_( 231 browser_context->GetMediaRequestContextForRenderProcess( 232 render_child_id)) { 233 } 234 235 virtual net::URLRequestContext* GetRequestContext( 236 ResourceType::Type resource_type) OVERRIDE { 237 net::URLRequestContextGetter* request_context = request_context_.get(); 238 // If the request has resource type of ResourceType::MEDIA, we use a request 239 // context specific to media for handling it because these resources have 240 // specific needs for caching. 241 if (resource_type == ResourceType::MEDIA) 242 request_context = media_request_context_.get(); 243 return request_context->GetURLRequestContext(); 244 } 245 246 private: 247 virtual ~RendererURLRequestContextSelector() {} 248 249 scoped_refptr<net::URLRequestContextGetter> request_context_; 250 scoped_refptr<net::URLRequestContextGetter> media_request_context_; 251}; 252 253// the global list of all renderer processes 254base::LazyInstance<IDMap<RenderProcessHost> >::Leaky 255 g_all_hosts = LAZY_INSTANCE_INITIALIZER; 256 257base::LazyInstance<scoped_refptr<BrowserPluginGeolocationPermissionContext> > 258 g_browser_plugin_geolocation_context = LAZY_INSTANCE_INITIALIZER; 259 260// Map of site to process, to ensure we only have one RenderProcessHost per 261// site in process-per-site mode. Each map is specific to a BrowserContext. 262class SiteProcessMap : public base::SupportsUserData::Data { 263 public: 264 typedef base::hash_map<std::string, RenderProcessHost*> SiteToProcessMap; 265 SiteProcessMap() {} 266 267 void RegisterProcess(const std::string& site, RenderProcessHost* process) { 268 map_[site] = process; 269 } 270 271 RenderProcessHost* FindProcess(const std::string& site) { 272 SiteToProcessMap::iterator i = map_.find(site); 273 if (i != map_.end()) 274 return i->second; 275 return NULL; 276 } 277 278 void RemoveProcess(RenderProcessHost* host) { 279 // Find all instances of this process in the map, then separately remove 280 // them. 281 std::set<std::string> sites; 282 for (SiteToProcessMap::const_iterator i = map_.begin(); 283 i != map_.end(); 284 i++) { 285 if (i->second == host) 286 sites.insert(i->first); 287 } 288 for (std::set<std::string>::iterator i = sites.begin(); 289 i != sites.end(); 290 i++) { 291 SiteToProcessMap::iterator iter = map_.find(*i); 292 if (iter != map_.end()) { 293 DCHECK_EQ(iter->second, host); 294 map_.erase(iter); 295 } 296 } 297 } 298 299 private: 300 SiteToProcessMap map_; 301}; 302 303// Find the SiteProcessMap specific to the given context. 304SiteProcessMap* GetSiteProcessMapForBrowserContext(BrowserContext* context) { 305 DCHECK(context); 306 SiteProcessMap* map = static_cast<SiteProcessMap*>( 307 context->GetUserData(kSiteProcessMapKeyName)); 308 if (!map) { 309 map = new SiteProcessMap(); 310 context->SetUserData(kSiteProcessMapKeyName, map); 311 } 312 return map; 313} 314 315#if defined(OS_WIN) 316// NOTE: changes to this class need to be reviewed by the security team. 317class RendererSandboxedProcessLauncherDelegate 318 : public content::SandboxedProcessLauncherDelegate { 319 public: 320 RendererSandboxedProcessLauncherDelegate() {} 321 virtual ~RendererSandboxedProcessLauncherDelegate() {} 322 323 virtual void ShouldSandbox(bool* in_sandbox) OVERRIDE { 324#if !defined (GOOGLE_CHROME_BUILD) 325 if (CommandLine::ForCurrentProcess()->HasSwitch( 326 switches::kInProcessPlugins)) { 327 *in_sandbox = false; 328 } 329#endif 330 } 331 332 virtual void PreSpawnTarget(sandbox::TargetPolicy* policy, 333 bool* success) { 334 AddBaseHandleClosePolicy(policy); 335 GetContentClient()->browser()->PreSpawnRenderer(policy, success); 336 } 337}; 338#endif // OS_WIN 339 340} // namespace 341 342// Stores the maximum number of renderer processes the content module can 343// create. 344static size_t g_max_renderer_count_override = 0; 345 346// static 347size_t RenderProcessHost::GetMaxRendererProcessCount() { 348 if (g_max_renderer_count_override) 349 return g_max_renderer_count_override; 350 351 // Defines the maximum number of renderer processes according to the 352 // amount of installed memory as reported by the OS. The calculation 353 // assumes that you want the renderers to use half of the installed 354 // RAM and assuming that each WebContents uses ~40MB. 355 // If you modify this assumption, you need to adjust the 356 // ThirtyFourTabs test to match the expected number of processes. 357 // 358 // With the given amounts of installed memory below on a 32-bit CPU, 359 // the maximum renderer count will roughly be as follows: 360 // 361 // 128 MB -> 3 362 // 512 MB -> 6 363 // 1024 MB -> 12 364 // 4096 MB -> 51 365 // 16384 MB -> 82 (kMaxRendererProcessCount) 366 367 static size_t max_count = 0; 368 if (!max_count) { 369 const size_t kEstimatedWebContentsMemoryUsage = 370#if defined(ARCH_CPU_64_BITS) 371 60; // In MB 372#else 373 40; // In MB 374#endif 375 max_count = base::SysInfo::AmountOfPhysicalMemoryMB() / 2; 376 max_count /= kEstimatedWebContentsMemoryUsage; 377 378 const size_t kMinRendererProcessCount = 3; 379 max_count = std::max(max_count, kMinRendererProcessCount); 380 max_count = std::min(max_count, kMaxRendererProcessCount); 381 } 382 return max_count; 383} 384 385// static 386bool g_run_renderer_in_process_ = false; 387 388// static 389void RenderProcessHost::SetMaxRendererProcessCount(size_t count) { 390 g_max_renderer_count_override = count; 391} 392 393RenderProcessHostImpl::RenderProcessHostImpl( 394 BrowserContext* browser_context, 395 StoragePartitionImpl* storage_partition_impl, 396 bool supports_browser_plugin, 397 bool is_guest) 398 : fast_shutdown_started_(false), 399 deleting_soon_(false), 400 pending_views_(0), 401 visible_widgets_(0), 402 backgrounded_(true), 403 cached_dibs_cleaner_( 404 FROM_HERE, base::TimeDelta::FromSeconds(5), 405 this, &RenderProcessHostImpl::ClearTransportDIBCache), 406 is_initialized_(false), 407 id_(ChildProcessHostImpl::GenerateChildProcessUniqueId()), 408 browser_context_(browser_context), 409 storage_partition_impl_(storage_partition_impl), 410 sudden_termination_allowed_(true), 411 ignore_input_events_(false), 412 supports_browser_plugin_(supports_browser_plugin), 413 is_guest_(is_guest), 414 gpu_observer_registered_(false), 415 power_monitor_broadcaster_(this) { 416 widget_helper_ = new RenderWidgetHelper(); 417 418 ChildProcessSecurityPolicyImpl::GetInstance()->Add(GetID()); 419 420 CHECK(!g_exited_main_message_loop); 421 RegisterHost(GetID(), this); 422 g_all_hosts.Get().set_check_on_null_data(true); 423 // Initialize |child_process_activity_time_| to a reasonable value. 424 mark_child_process_activity_time(); 425 426 if (!GetBrowserContext()->IsOffTheRecord() && 427 !CommandLine::ForCurrentProcess()->HasSwitch( 428 switches::kDisableGpuShaderDiskCache)) { 429 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, 430 base::Bind(&CacheShaderInfo, GetID(), 431 storage_partition_impl_->GetPath())); 432 } 433 434 // Note: When we create the RenderProcessHostImpl, it's technically 435 // backgrounded, because it has no visible listeners. But the process 436 // doesn't actually exist yet, so we'll Background it later, after 437 // creation. 438} 439 440RenderProcessHostImpl::~RenderProcessHostImpl() { 441 DCHECK(!run_renderer_in_process()); 442 ChildProcessSecurityPolicyImpl::GetInstance()->Remove(GetID()); 443 444 if (gpu_observer_registered_) { 445 GpuDataManagerImpl::GetInstance()->RemoveObserver(this); 446 gpu_observer_registered_ = false; 447 } 448 449 // We may have some unsent messages at this point, but that's OK. 450 channel_.reset(); 451 while (!queued_messages_.empty()) { 452 delete queued_messages_.front(); 453 queued_messages_.pop(); 454 } 455 456 ClearTransportDIBCache(); 457 UnregisterHost(GetID()); 458 459 if (!CommandLine::ForCurrentProcess()->HasSwitch( 460 switches::kDisableGpuShaderDiskCache)) { 461 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, 462 base::Bind(&RemoveShaderInfo, GetID())); 463 } 464} 465 466void RenderProcessHostImpl::EnableSendQueue() { 467 is_initialized_ = false; 468} 469 470bool RenderProcessHostImpl::Init() { 471 // calling Init() more than once does nothing, this makes it more convenient 472 // for the view host which may not be sure in some cases 473 if (channel_) 474 return true; 475 476 CommandLine::StringType renderer_prefix; 477#if defined(OS_POSIX) 478 // A command prefix is something prepended to the command line of the spawned 479 // process. It is supported only on POSIX systems. 480 const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess(); 481 renderer_prefix = 482 browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix); 483#endif // defined(OS_POSIX) 484 485#if defined(OS_LINUX) 486 int flags = renderer_prefix.empty() ? ChildProcessHost::CHILD_ALLOW_SELF : 487 ChildProcessHost::CHILD_NORMAL; 488#else 489 int flags = ChildProcessHost::CHILD_NORMAL; 490#endif 491 492 // Find the renderer before creating the channel so if this fails early we 493 // return without creating the channel. 494 base::FilePath renderer_path = ChildProcessHost::GetChildPath(flags); 495 if (renderer_path.empty()) 496 return false; 497 498 // Setup the IPC channel. 499 const std::string channel_id = 500 IPC::Channel::GenerateVerifiedChannelID(std::string()); 501 channel_.reset( 502 new IPC::ChannelProxy(channel_id, 503 IPC::Channel::MODE_SERVER, 504 this, 505 BrowserThread::GetMessageLoopProxyForThread( 506 BrowserThread::IO).get())); 507 508 // Call the embedder first so that their IPC filters have priority. 509 GetContentClient()->browser()->RenderProcessHostCreated(this); 510 511 CreateMessageFilters(); 512 513 // Single-process mode not supported in multiple-dll mode currently. 514#if !defined(CHROME_MULTIPLE_DLL) 515 if (run_renderer_in_process()) { 516 // Crank up a thread and run the initialization there. With the way that 517 // messages flow between the browser and renderer, this thread is required 518 // to prevent a deadlock in single-process mode. Since the primordial 519 // thread in the renderer process runs the WebKit code and can sometimes 520 // make blocking calls to the UI thread (i.e. this thread), they need to run 521 // on separate threads. 522 in_process_renderer_.reset(new RendererMainThread(channel_id)); 523 524 base::Thread::Options options; 525#if defined(OS_WIN) && !defined(OS_MACOSX) 526 // In-process plugins require this to be a UI message loop. 527 options.message_loop_type = base::MessageLoop::TYPE_UI; 528#else 529 // We can't have multiple UI loops on Linux and Android, so we don't support 530 // in-process plugins. 531 options.message_loop_type = base::MessageLoop::TYPE_DEFAULT; 532#endif 533 in_process_renderer_->StartWithOptions(options); 534 535 OnProcessLaunched(); // Fake a callback that the process is ready. 536 } else 537#endif // !CHROME_MULTIPLE_DLL 538 { 539 // Build command line for renderer. We call AppendRendererCommandLine() 540 // first so the process type argument will appear first. 541 CommandLine* cmd_line = new CommandLine(renderer_path); 542 if (!renderer_prefix.empty()) 543 cmd_line->PrependWrapper(renderer_prefix); 544 AppendRendererCommandLine(cmd_line); 545 cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id); 546 547 // Spawn the child process asynchronously to avoid blocking the UI thread. 548 // As long as there's no renderer prefix, we can use the zygote process 549 // at this stage. 550 child_process_launcher_.reset(new ChildProcessLauncher( 551#if defined(OS_WIN) 552 new RendererSandboxedProcessLauncherDelegate, 553#elif defined(OS_POSIX) 554 renderer_prefix.empty(), 555 base::EnvironmentVector(), 556 channel_->TakeClientFileDescriptor(), 557#endif 558 cmd_line, 559 GetID(), 560 this)); 561 562 fast_shutdown_started_ = false; 563 } 564 565 if (!gpu_observer_registered_) { 566 gpu_observer_registered_ = true; 567 GpuDataManagerImpl::GetInstance()->AddObserver(this); 568 } 569 570 is_initialized_ = true; 571 return true; 572} 573 574void RenderProcessHostImpl::CreateMessageFilters() { 575 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 576 channel_->AddFilter(new ResourceSchedulerFilter(GetID())); 577 MediaInternals* media_internals = MediaInternals::GetInstance();; 578 media::AudioManager* audio_manager = 579 BrowserMainLoop::GetInstance()->audio_manager(); 580 // Add BrowserPluginMessageFilter to ensure it gets the first stab at messages 581 // from guests. 582 if (supports_browser_plugin_) { 583 scoped_refptr<BrowserPluginMessageFilter> bp_message_filter( 584 new BrowserPluginMessageFilter(GetID(), IsGuest())); 585 channel_->AddFilter(bp_message_filter.get()); 586 } 587 588 scoped_refptr<RenderMessageFilter> render_message_filter( 589 new RenderMessageFilter( 590 GetID(), 591 IsGuest(), 592#if defined(ENABLE_PLUGINS) 593 PluginServiceImpl::GetInstance(), 594#else 595 NULL, 596#endif 597 GetBrowserContext(), 598 GetBrowserContext()->GetRequestContextForRenderProcess(GetID()), 599 widget_helper_.get(), 600 audio_manager, 601 media_internals, 602 storage_partition_impl_->GetDOMStorageContext())); 603 channel_->AddFilter(render_message_filter.get()); 604 BrowserContext* browser_context = GetBrowserContext(); 605 ResourceContext* resource_context = browser_context->GetResourceContext(); 606 607 ResourceMessageFilter* resource_message_filter = new ResourceMessageFilter( 608 GetID(), PROCESS_TYPE_RENDERER, resource_context, 609 storage_partition_impl_->GetAppCacheService(), 610 ChromeBlobStorageContext::GetFor(browser_context), 611 storage_partition_impl_->GetFileSystemContext(), 612 new RendererURLRequestContextSelector(browser_context, GetID())); 613 614 channel_->AddFilter(resource_message_filter); 615 MediaStreamManager* media_stream_manager = 616 BrowserMainLoop::GetInstance()->media_stream_manager(); 617 channel_->AddFilter(new AudioInputRendererHost( 618 audio_manager, 619 media_stream_manager, 620 BrowserMainLoop::GetInstance()->audio_mirroring_manager())); 621 channel_->AddFilter(new AudioRendererHost( 622 GetID(), audio_manager, 623 BrowserMainLoop::GetInstance()->audio_mirroring_manager(), 624 media_internals, media_stream_manager)); 625 channel_->AddFilter( 626 new MIDIHost(BrowserMainLoop::GetInstance()->midi_manager())); 627 channel_->AddFilter(new MIDIDispatcherHost(GetID(), browser_context)); 628 channel_->AddFilter(new VideoCaptureHost(media_stream_manager)); 629 channel_->AddFilter(new AppCacheDispatcherHost( 630 storage_partition_impl_->GetAppCacheService(), 631 GetID())); 632 channel_->AddFilter(new ClipboardMessageFilter); 633 channel_->AddFilter(new DOMStorageMessageFilter( 634 GetID(), 635 storage_partition_impl_->GetDOMStorageContext())); 636 channel_->AddFilter(new IndexedDBDispatcherHost( 637 GetID(), 638 storage_partition_impl_->GetIndexedDBContext())); 639 if (IsGuest()) { 640 if (!g_browser_plugin_geolocation_context.Get().get()) { 641 g_browser_plugin_geolocation_context.Get() = 642 new BrowserPluginGeolocationPermissionContext(); 643 } 644 channel_->AddFilter(GeolocationDispatcherHost::New( 645 GetID(), g_browser_plugin_geolocation_context.Get().get())); 646 } else { 647 channel_->AddFilter(GeolocationDispatcherHost::New( 648 GetID(), browser_context->GetGeolocationPermissionContext())); 649 } 650 gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get()); 651 channel_->AddFilter(gpu_message_filter_); 652#if defined(ENABLE_WEBRTC) 653 channel_->AddFilter(new WebRTCIdentityServiceHost( 654 GetID(), storage_partition_impl_->GetWebRTCIdentityStore())); 655 peer_connection_tracker_host_ = new PeerConnectionTrackerHost(GetID()); 656 channel_->AddFilter(peer_connection_tracker_host_.get()); 657 channel_->AddFilter(new MediaStreamDispatcherHost( 658 GetID(), media_stream_manager)); 659 channel_->AddFilter( 660 new DeviceRequestMessageFilter(resource_context, media_stream_manager)); 661#endif 662#if defined(ENABLE_PLUGINS) 663 // TODO(raymes): PepperMessageFilter should be removed from here. 664 channel_->AddFilter(new PepperMessageFilter(GetID(), browser_context)); 665 channel_->AddFilter(new PepperRendererConnection(GetID())); 666#endif 667#if defined(ENABLE_INPUT_SPEECH) 668 channel_->AddFilter(new InputTagSpeechDispatcherHost( 669 IsGuest(), GetID(), storage_partition_impl_->GetURLRequestContext())); 670#endif 671 channel_->AddFilter(new SpeechRecognitionDispatcherHost( 672 GetID(), storage_partition_impl_->GetURLRequestContext())); 673 channel_->AddFilter(new FileAPIMessageFilter( 674 GetID(), 675 storage_partition_impl_->GetURLRequestContext(), 676 storage_partition_impl_->GetFileSystemContext(), 677 ChromeBlobStorageContext::GetFor(browser_context), 678 StreamContext::GetFor(browser_context))); 679 channel_->AddFilter(new OrientationMessageFilter()); 680 channel_->AddFilter(new FileUtilitiesMessageFilter(GetID())); 681 channel_->AddFilter(new MimeRegistryMessageFilter()); 682 channel_->AddFilter(new DatabaseMessageFilter( 683 storage_partition_impl_->GetDatabaseTracker())); 684#if defined(OS_MACOSX) 685 channel_->AddFilter(new TextInputClientMessageFilter(GetID())); 686#elif defined(OS_WIN) 687 channel_->AddFilter(new FontCacheDispatcher()); 688#endif 689 690 SocketStreamDispatcherHost* socket_stream_dispatcher_host = 691 new SocketStreamDispatcherHost(GetID(), 692 new RendererURLRequestContextSelector(browser_context, GetID()), 693 resource_context); 694 channel_->AddFilter(socket_stream_dispatcher_host); 695 696 channel_->AddFilter(new WorkerMessageFilter( 697 GetID(), 698 resource_context, 699 WorkerStoragePartition( 700 storage_partition_impl_->GetURLRequestContext(), 701 storage_partition_impl_->GetMediaURLRequestContext(), 702 storage_partition_impl_->GetAppCacheService(), 703 storage_partition_impl_->GetQuotaManager(), 704 storage_partition_impl_->GetFileSystemContext(), 705 storage_partition_impl_->GetDatabaseTracker(), 706 storage_partition_impl_->GetIndexedDBContext()), 707 base::Bind(&RenderWidgetHelper::GetNextRoutingID, 708 base::Unretained(widget_helper_.get())))); 709 710#if defined(ENABLE_WEBRTC) 711 channel_->AddFilter(new P2PSocketDispatcherHost( 712 resource_context, 713 browser_context->GetRequestContextForRenderProcess(GetID()))); 714#endif 715 716 channel_->AddFilter(new TraceMessageFilter()); 717 channel_->AddFilter(new ResolveProxyMsgHelper( 718 browser_context->GetRequestContextForRenderProcess(GetID()))); 719 channel_->AddFilter(new QuotaDispatcherHost( 720 GetID(), 721 storage_partition_impl_->GetQuotaManager(), 722 GetContentClient()->browser()->CreateQuotaPermissionContext())); 723 channel_->AddFilter(new GamepadBrowserMessageFilter()); 724 channel_->AddFilter(new DeviceMotionMessageFilter()); 725 channel_->AddFilter(new DeviceOrientationMessageFilter()); 726 channel_->AddFilter(new ProfilerMessageFilter(PROCESS_TYPE_RENDERER)); 727 channel_->AddFilter(new HistogramMessageFilter()); 728#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID)) 729 if (CommandLine::ForCurrentProcess()->HasSwitch( 730 switches::kEnableMemoryBenchmarking)) 731 channel_->AddFilter(new MemoryBenchmarkMessageFilter()); 732#endif 733#if defined(OS_ANDROID) 734 channel_->AddFilter(new VibrationMessageFilter()); 735#endif 736} 737 738int RenderProcessHostImpl::GetNextRoutingID() { 739 return widget_helper_->GetNextRoutingID(); 740} 741 742 743void RenderProcessHostImpl::ResumeDeferredNavigation( 744 const GlobalRequestID& request_id) { 745 widget_helper_->ResumeDeferredNavigation(request_id); 746} 747 748void RenderProcessHostImpl::AddRoute( 749 int32 routing_id, 750 IPC::Listener* listener) { 751 listeners_.AddWithID(listener, routing_id); 752} 753 754void RenderProcessHostImpl::RemoveRoute(int32 routing_id) { 755 DCHECK(listeners_.Lookup(routing_id) != NULL); 756 listeners_.Remove(routing_id); 757 758#if defined(OS_WIN) 759 // Dump the handle table if handle auditing is enabled. 760 const CommandLine& browser_command_line = 761 *CommandLine::ForCurrentProcess(); 762 if (browser_command_line.HasSwitch(switches::kAuditHandles) || 763 browser_command_line.HasSwitch(switches::kAuditAllHandles)) { 764 DumpHandles(); 765 766 // We wait to close the channels until the child process has finished 767 // dumping handles and sends us ChildProcessHostMsg_DumpHandlesDone. 768 return; 769 } 770#endif 771 // Keep the one renderer thread around forever in single process mode. 772 if (!run_renderer_in_process()) 773 Cleanup(); 774} 775 776bool RenderProcessHostImpl::WaitForBackingStoreMsg( 777 int render_widget_id, 778 const base::TimeDelta& max_delay, 779 IPC::Message* msg) { 780 // The post task to this thread with the process id could be in queue, and we 781 // don't want to dispatch a message before then since it will need the handle. 782 if (child_process_launcher_.get() && child_process_launcher_->IsStarting()) 783 return false; 784 785 return widget_helper_->WaitForBackingStoreMsg(render_widget_id, 786 max_delay, msg); 787} 788 789void RenderProcessHostImpl::ReceivedBadMessage() { 790 if (run_renderer_in_process()) { 791 // In single process mode it is better if we don't suicide but just 792 // crash. 793 CHECK(false); 794 } 795 // We kill the renderer but don't include a NOTREACHED, because we want the 796 // browser to try to survive when it gets illegal messages from the renderer. 797 base::KillProcess(GetHandle(), RESULT_CODE_KILLED_BAD_MESSAGE, 798 false); 799} 800 801void RenderProcessHostImpl::WidgetRestored() { 802 // Verify we were properly backgrounded. 803 DCHECK_EQ(backgrounded_, (visible_widgets_ == 0)); 804 visible_widgets_++; 805 SetBackgrounded(false); 806} 807 808void RenderProcessHostImpl::WidgetHidden() { 809 // On startup, the browser will call Hide 810 if (backgrounded_) 811 return; 812 813 DCHECK_EQ(backgrounded_, (visible_widgets_ == 0)); 814 visible_widgets_--; 815 DCHECK_GE(visible_widgets_, 0); 816 if (visible_widgets_ == 0) { 817 DCHECK(!backgrounded_); 818 SetBackgrounded(true); 819 } 820} 821 822int RenderProcessHostImpl::VisibleWidgetCount() const { 823 return visible_widgets_; 824} 825 826bool RenderProcessHostImpl::IsGuest() const { 827 return is_guest_; 828} 829 830StoragePartition* RenderProcessHostImpl::GetStoragePartition() const { 831 return storage_partition_impl_; 832} 833 834void RenderProcessHostImpl::AppendRendererCommandLine( 835 CommandLine* command_line) const { 836 // Pass the process type first, so it shows first in process listings. 837 command_line->AppendSwitchASCII(switches::kProcessType, 838 switches::kRendererProcess); 839 840 // Now send any options from our own command line we want to propagate. 841 const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess(); 842 PropagateBrowserCommandLineToRenderer(browser_command_line, command_line); 843 844 // Pass on the browser locale. 845 const std::string locale = 846 GetContentClient()->browser()->GetApplicationLocale(); 847 command_line->AppendSwitchASCII(switches::kLang, locale); 848 849 // If we run base::FieldTrials, we want to pass to their state to the 850 // renderer so that it can act in accordance with each state, or record 851 // histograms relating to the base::FieldTrial states. 852 std::string field_trial_states; 853 base::FieldTrialList::StatesToString(&field_trial_states); 854 if (!field_trial_states.empty()) { 855 command_line->AppendSwitchASCII(switches::kForceFieldTrials, 856 field_trial_states); 857 } 858 859 GetContentClient()->browser()->AppendExtraCommandLineSwitches( 860 command_line, GetID()); 861 862 // Appending disable-gpu-feature switches due to software rendering list. 863 GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance(); 864 DCHECK(gpu_data_manager); 865 gpu_data_manager->AppendRendererCommandLine(command_line); 866} 867 868void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer( 869 const CommandLine& browser_cmd, 870 CommandLine* renderer_cmd) const { 871 // Propagate the following switches to the renderer command line (along 872 // with any associated values) if present in the browser command line. 873 static const char* const kSwitchNames[] = { 874 switches::kAudioBufferSize, 875 switches::kAuditAllHandles, 876 switches::kAuditHandles, 877 switches::kDisable3DAPIs, 878 switches::kDisableAcceleratedCompositing, 879 switches::kDisableAcceleratedVideoDecode, 880 switches::kDisableApplicationCache, 881 switches::kDisableAudio, 882 switches::kDisableBreakpad, 883 switches::kDisableDatabases, 884 switches::kDisableDelegatedRenderer, 885 switches::kDisableDesktopNotifications, 886 switches::kDisableDeviceOrientation, 887 switches::kDisableFileSystem, 888 switches::kDisableGeolocation, 889 switches::kDisableGLMultisampling, 890 switches::kDisableGpuVsync, 891 switches::kDisableGpu, 892 switches::kDisableGpuCompositing, 893 switches::kDisableHistogramCustomizer, 894 switches::kDisableLocalStorage, 895 switches::kDisableLogging, 896 switches::kDisableNewDialogStyle, 897 switches::kDisableSeccompFilterSandbox, 898 switches::kDisableSessionStorage, 899 switches::kDisableSharedWorkers, 900 switches::kDisableSpeechInput, 901 switches::kDisableTouchDragDrop, 902 switches::kDisableTouchEditing, 903#if defined(OS_ANDROID) 904 switches::kDisableWebRTC, 905 switches::kEnableSpeechRecognition, 906#endif 907 switches::kDisableWebAudio, 908#if defined(ENABLE_WEBRTC) 909 switches::kDisableDeviceEnumeration, 910 switches::kEnableSCTPDataChannels, 911#endif 912 switches::kEnableWebAnimationsCSS, 913 switches::kEnableWebAnimationsSVG, 914 switches::kEnableWebMIDI, 915 switches::kEnableExperimentalCanvasFeatures, 916 switches::kEnableExperimentalWebSocket, 917 switches::kDomAutomationController, 918 switches::kEnableAccessibilityLogging, 919 switches::kEnableBeginFrameScheduling, 920 switches::kEnableBrowserInputController, 921 switches::kEnableBrowserPluginForAllViewTypes, 922 switches::kEnableDCHECK, 923 switches::kEnableDelegatedRenderer, 924 switches::kEnableEncryptedMedia, 925 switches::kDisableLegacyEncryptedMedia, 926 switches::kOverrideEncryptedMediaCanPlayType, 927 switches::kEnableExperimentalWebPlatformFeatures, 928 switches::kEnableFixedLayout, 929 switches::kEnableDeferredImageDecoding, 930 switches::kEnableGPUServiceLogging, 931 switches::kEnableGPUClientLogging, 932 switches::kEnableGpuClientTracing, 933 switches::kEnableGpuBenchmarking, 934 switches::kEnableMemoryBenchmarking, 935 switches::kEnableSkiaBenchmarking, 936 switches::kEnableLogging, 937 switches::kEnableSpeechSynthesis, 938 switches::kEnableTouchDragDrop, 939 switches::kEnableTouchEditing, 940#if defined(ENABLE_WEBRTC) 941 switches::kEnableWebRtcAecRecordings, 942 switches::kEnableWebRtcTcpServerSocket, 943 switches::kEnableWebRtcHWDecoding, 944#endif 945 switches::kDisableWebKitMediaSource, 946 switches::kEnableOverscrollNotifications, 947 switches::kEnableStrictSiteIsolation, 948 switches::kDisableFullScreen, 949 switches::kEnableNewDialogStyle, 950#if defined(ENABLE_PLUGINS) 951 switches::kEnablePepperTesting, 952 switches::kDisablePepper3d, 953#endif 954 switches::kEnablePreparsedJsCaching, 955 switches::kEnablePruneGpuCommandBuffers, 956 switches::kEnablePinch, 957 switches::kDisablePinch, 958#if defined(OS_MACOSX) 959 // Allow this to be set when invoking the browser and relayed along. 960 switches::kEnableSandboxLogging, 961#endif 962 switches::kEnableSoftwareCompositing, 963 switches::kEnableStatsTable, 964 switches::kEnableThreadedCompositing, 965 switches::kEnableCompositingForFixedPosition, 966 switches::kEnableHighDpiCompositingForFixedPosition, 967 switches::kDisableCompositingForFixedPosition, 968 switches::kEnableAcceleratedOverflowScroll, 969 switches::kEnableCompositingForTransition, 970 switches::kDisableCompositingForTransition, 971 switches::kEnableAcceleratedFixedRootBackground, 972 switches::kDisableAcceleratedFixedRootBackground, 973 switches::kDisableThreadedCompositing, 974 switches::kDisableTouchAdjustment, 975 switches::kDefaultTileWidth, 976 switches::kDefaultTileHeight, 977 switches::kMaxUntiledLayerWidth, 978 switches::kMaxUntiledLayerHeight, 979 switches::kEnableViewport, 980 switches::kEnableInbandTextTracks, 981 switches::kEnableOpusPlayback, 982 switches::kEnableVp8AlphaPlayback, 983 switches::kEnableEac3Playback, 984 switches::kForceDeviceScaleFactor, 985 switches::kFullMemoryCrashReport, 986#if defined(OS_ANDROID) 987 switches::kHideScrollbars, 988#endif 989#if !defined (GOOGLE_CHROME_BUILD) 990 // These are unsupported and not fully tested modes, so don't enable them 991 // for official Google Chrome builds. 992 switches::kInProcessPlugins, 993#endif // GOOGLE_CHROME_BUILD 994 switches::kJavaScriptFlags, 995 switches::kLoggingLevel, 996 switches::kMemoryMetrics, 997#if defined(OS_ANDROID) 998 switches::kNetworkCountryIso, 999 switches::kDisableGestureRequirementForMediaPlayback, 1000#endif 1001#if defined(GOOGLE_TV) 1002 switches::kUseExternalVideoSurfaceThresholdInPixels, 1003#endif 1004 switches::kNoReferrers, 1005 switches::kNoSandbox, 1006 switches::kEnableVtune, 1007 switches::kPpapiInProcess, 1008 switches::kRegisterPepperPlugins, 1009 switches::kRendererAssertTest, 1010#if defined(OS_POSIX) 1011 switches::kChildCleanExit, 1012#endif 1013 switches::kRendererStartupDialog, 1014 switches::kShowPaintRects, 1015 switches::kSitePerProcess, 1016 switches::kStatsCollectionController, 1017 switches::kTestSandbox, 1018 switches::kTouchEvents, 1019 switches::kTraceStartup, 1020 // This flag needs to be propagated to the renderer process for 1021 // --in-process-webgl. 1022 switches::kUseGL, 1023 switches::kUseMobileUserAgent, 1024 switches::kUserAgent, 1025 switches::kV, 1026 switches::kVideoThreads, 1027 switches::kVModule, 1028 switches::kWebCoreLogChannels, 1029 switches::kEnableWebGLDraftExtensions, 1030 switches::kEnableHTMLImports, 1031 switches::kTraceToConsole, 1032 switches::kEnableDeviceMotion, 1033#if defined(OS_ANDROID) 1034 switches::kDisableDeviceMotion, 1035#endif 1036 // Please keep these in alphabetical order. Compositor switches here should 1037 // also be added to chrome/browser/chromeos/login/chrome_restart_request.cc. 1038 cc::switches::kBackgroundColorInsteadOfCheckerboard, 1039 cc::switches::kCompositeToMailbox, 1040 cc::switches::kDisableCompositedAntialiasing, 1041 cc::switches::kDisableImplSidePainting, 1042 cc::switches::kDisableThreadedAnimation, 1043 cc::switches::kEnableImplSidePainting, 1044 cc::switches::kEnablePartialSwap, 1045 cc::switches::kEnablePerTilePainting, 1046 cc::switches::kEnablePinchVirtualViewport, 1047 cc::switches::kEnableTopControlsPositionCalculation, 1048 cc::switches::kForceDirectLayerDrawing, 1049 cc::switches::kLowResolutionContentsScaleFactor, 1050 cc::switches::kMaxTilesForInterestArea, 1051 cc::switches::kMaxUnusedResourceMemoryUsagePercentage, 1052 cc::switches::kNumRasterThreads, 1053 cc::switches::kShowCompositedLayerBorders, 1054 cc::switches::kShowFPSCounter, 1055 cc::switches::kShowNonOccludingRects, 1056 cc::switches::kShowOccludingRects, 1057 cc::switches::kShowPropertyChangedRects, 1058 cc::switches::kShowReplicaScreenSpaceRects, 1059 cc::switches::kShowScreenSpaceRects, 1060 cc::switches::kShowSurfaceDamageRects, 1061 cc::switches::kSlowDownRasterScaleFactor, 1062 cc::switches::kStrictLayerPropertyChangeChecking, 1063 cc::switches::kTopControlsHeight, 1064 cc::switches::kTopControlsHideThreshold, 1065 cc::switches::kTopControlsShowThreshold, 1066 cc::switches::kTraceOverdraw, 1067 cc::switches::kUseMapImage, 1068 }; 1069 renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames, 1070 arraysize(kSwitchNames)); 1071 1072 // Disable databases in incognito mode. 1073 if (GetBrowserContext()->IsOffTheRecord() && 1074 !browser_cmd.HasSwitch(switches::kDisableDatabases)) { 1075 renderer_cmd->AppendSwitch(switches::kDisableDatabases); 1076#if defined(OS_ANDROID) 1077 renderer_cmd->AppendSwitch(switches::kDisableMediaHistoryLogging); 1078#endif 1079 } 1080 1081 // Enforce the extra command line flags for impl-side painting. 1082 if (cc::switches::IsImplSidePaintingEnabled() && 1083 !browser_cmd.HasSwitch(switches::kEnableDeferredImageDecoding)) 1084 renderer_cmd->AppendSwitch(switches::kEnableDeferredImageDecoding); 1085} 1086 1087base::ProcessHandle RenderProcessHostImpl::GetHandle() const { 1088 if (run_renderer_in_process()) 1089 return base::Process::Current().handle(); 1090 1091 if (!child_process_launcher_.get() || child_process_launcher_->IsStarting()) 1092 return base::kNullProcessHandle; 1093 1094 return child_process_launcher_->GetHandle(); 1095} 1096 1097bool RenderProcessHostImpl::FastShutdownIfPossible() { 1098 if (run_renderer_in_process()) 1099 return false; // Single process mode never shutdown the renderer. 1100 1101 if (!GetContentClient()->browser()->IsFastShutdownPossible()) 1102 return false; 1103 1104 if (!child_process_launcher_.get() || 1105 child_process_launcher_->IsStarting() || 1106 !GetHandle()) 1107 return false; // Render process hasn't started or is probably crashed. 1108 1109 // Test if there's an unload listener. 1110 // NOTE: It's possible that an onunload listener may be installed 1111 // while we're shutting down, so there's a small race here. Given that 1112 // the window is small, it's unlikely that the web page has much 1113 // state that will be lost by not calling its unload handlers properly. 1114 if (!SuddenTerminationAllowed()) 1115 return false; 1116 1117 ProcessDied(false /* already_dead */); 1118 fast_shutdown_started_ = true; 1119 return true; 1120} 1121 1122void RenderProcessHostImpl::DumpHandles() { 1123#if defined(OS_WIN) 1124 Send(new ChildProcessMsg_DumpHandles()); 1125 return; 1126#endif 1127 1128 NOTIMPLEMENTED(); 1129} 1130 1131// This is a platform specific function for mapping a transport DIB given its id 1132TransportDIB* RenderProcessHostImpl::MapTransportDIB( 1133 TransportDIB::Id dib_id) { 1134#if defined(OS_WIN) 1135 // On Windows we need to duplicate the handle from the remote process 1136 HANDLE section; 1137 DuplicateHandle(GetHandle(), dib_id.handle, GetCurrentProcess(), §ion, 1138 STANDARD_RIGHTS_REQUIRED | FILE_MAP_READ | FILE_MAP_WRITE, 1139 FALSE, 0); 1140 return TransportDIB::Map(section); 1141#elif defined(TOOLKIT_GTK) 1142 return TransportDIB::Map(dib_id.shmkey); 1143#elif defined(OS_ANDROID) 1144 return TransportDIB::Map(dib_id); 1145#else 1146 // On POSIX, the browser allocates all DIBs and keeps a file descriptor around 1147 // for each. 1148 return widget_helper_->MapTransportDIB(dib_id); 1149#endif 1150} 1151 1152TransportDIB* RenderProcessHostImpl::GetTransportDIB( 1153 TransportDIB::Id dib_id) { 1154 if (!TransportDIB::is_valid_id(dib_id)) 1155 return NULL; 1156 1157 const std::map<TransportDIB::Id, TransportDIB*>::iterator 1158 i = cached_dibs_.find(dib_id); 1159 if (i != cached_dibs_.end()) { 1160 cached_dibs_cleaner_.Reset(); 1161 return i->second; 1162 } 1163 1164 TransportDIB* dib = MapTransportDIB(dib_id); 1165 if (!dib) 1166 return NULL; 1167 1168 if (cached_dibs_.size() >= MAX_MAPPED_TRANSPORT_DIBS) { 1169 // Clean a single entry from the cache 1170 std::map<TransportDIB::Id, TransportDIB*>::iterator smallest_iterator; 1171 size_t smallest_size = std::numeric_limits<size_t>::max(); 1172 1173 for (std::map<TransportDIB::Id, TransportDIB*>::iterator 1174 i = cached_dibs_.begin(); i != cached_dibs_.end(); ++i) { 1175 if (i->second->size() <= smallest_size) { 1176 smallest_iterator = i; 1177 smallest_size = i->second->size(); 1178 } 1179 } 1180 1181#if defined(TOOLKIT_GTK) 1182 smallest_iterator->second->Detach(); 1183#else 1184 delete smallest_iterator->second; 1185#endif 1186 cached_dibs_.erase(smallest_iterator); 1187 } 1188 1189 cached_dibs_[dib_id] = dib; 1190 cached_dibs_cleaner_.Reset(); 1191 return dib; 1192} 1193 1194void RenderProcessHostImpl::ClearTransportDIBCache() { 1195#if defined(TOOLKIT_GTK) 1196 std::map<TransportDIB::Id, TransportDIB*>::const_iterator dib = 1197 cached_dibs_.begin(); 1198 for (; dib != cached_dibs_.end(); ++dib) 1199 dib->second->Detach(); 1200#else 1201 STLDeleteContainerPairSecondPointers( 1202 cached_dibs_.begin(), cached_dibs_.end()); 1203#endif 1204 cached_dibs_.clear(); 1205} 1206 1207bool RenderProcessHostImpl::Send(IPC::Message* msg) { 1208 if (!channel_) { 1209 if (!is_initialized_) { 1210 queued_messages_.push(msg); 1211 return true; 1212 } else { 1213 delete msg; 1214 return false; 1215 } 1216 } 1217 1218 if (child_process_launcher_.get() && child_process_launcher_->IsStarting()) { 1219 queued_messages_.push(msg); 1220 return true; 1221 } 1222 1223 return channel_->Send(msg); 1224} 1225 1226bool RenderProcessHostImpl::OnMessageReceived(const IPC::Message& msg) { 1227 // If we're about to be deleted, or have initiated the fast shutdown sequence, 1228 // we ignore incoming messages. 1229 1230 if (deleting_soon_ || fast_shutdown_started_) 1231 return false; 1232 1233 mark_child_process_activity_time(); 1234 if (msg.routing_id() == MSG_ROUTING_CONTROL) { 1235 // Dispatch control messages. 1236 bool msg_is_ok = true; 1237 IPC_BEGIN_MESSAGE_MAP_EX(RenderProcessHostImpl, msg, msg_is_ok) 1238 IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ShutdownRequest, 1239 OnShutdownRequest) 1240 IPC_MESSAGE_HANDLER(ChildProcessHostMsg_DumpHandlesDone, 1241 OnDumpHandlesDone) 1242 IPC_MESSAGE_HANDLER(ViewHostMsg_SuddenTerminationChanged, 1243 SuddenTerminationChanged) 1244 IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction, 1245 OnUserMetricsRecordAction) 1246 IPC_MESSAGE_HANDLER(ViewHostMsg_SavedPageAsMHTML, OnSavedPageAsMHTML) 1247 // Adding single handlers for your service here is fine, but once your 1248 // service needs more than one handler, please extract them into a new 1249 // message filter and add that filter to CreateMessageFilters(). 1250 IPC_MESSAGE_UNHANDLED_ERROR() 1251 IPC_END_MESSAGE_MAP_EX() 1252 1253 if (!msg_is_ok) { 1254 // The message had a handler, but its de-serialization failed. 1255 // We consider this a capital crime. Kill the renderer if we have one. 1256 LOG(ERROR) << "bad message " << msg.type() << " terminating renderer."; 1257 RecordAction(UserMetricsAction("BadMessageTerminate_BRPH")); 1258 ReceivedBadMessage(); 1259 } 1260 return true; 1261 } 1262 1263 // Dispatch incoming messages to the appropriate IPC::Listener. 1264 IPC::Listener* listener = listeners_.Lookup(msg.routing_id()); 1265 if (!listener) { 1266 if (msg.is_sync()) { 1267 // The listener has gone away, so we must respond or else the caller will 1268 // hang waiting for a reply. 1269 IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg); 1270 reply->set_reply_error(); 1271 Send(reply); 1272 } 1273 1274 // If this is a SwapBuffers, we need to ack it if we're not going to handle 1275 // it so that the GPU process doesn't get stuck in unscheduled state. 1276 bool msg_is_ok = true; 1277 IPC_BEGIN_MESSAGE_MAP_EX(RenderProcessHostImpl, msg, msg_is_ok) 1278 IPC_MESSAGE_HANDLER(ViewHostMsg_CompositorSurfaceBuffersSwapped, 1279 OnCompositorSurfaceBuffersSwappedNoHost) 1280 IPC_END_MESSAGE_MAP_EX() 1281 return true; 1282 } 1283 return listener->OnMessageReceived(msg); 1284} 1285 1286void RenderProcessHostImpl::OnChannelConnected(int32 peer_pid) { 1287#if defined(IPC_MESSAGE_LOG_ENABLED) 1288 Send(new ChildProcessMsg_SetIPCLoggingEnabled( 1289 IPC::Logging::GetInstance()->Enabled())); 1290#endif 1291 1292 tracked_objects::ThreadData::Status status = 1293 tracked_objects::ThreadData::status(); 1294 Send(new ChildProcessMsg_SetProfilerStatus(status)); 1295} 1296 1297void RenderProcessHostImpl::OnChannelError() { 1298 ProcessDied(true /* already_dead */); 1299} 1300 1301BrowserContext* RenderProcessHostImpl::GetBrowserContext() const { 1302 return browser_context_; 1303} 1304 1305bool RenderProcessHostImpl::InSameStoragePartition( 1306 StoragePartition* partition) const { 1307 return storage_partition_impl_ == partition; 1308} 1309 1310int RenderProcessHostImpl::GetID() const { 1311 return id_; 1312} 1313 1314bool RenderProcessHostImpl::HasConnection() const { 1315 return channel_.get() != NULL; 1316} 1317 1318void RenderProcessHostImpl::SetIgnoreInputEvents(bool ignore_input_events) { 1319 ignore_input_events_ = ignore_input_events; 1320} 1321 1322bool RenderProcessHostImpl::IgnoreInputEvents() const { 1323 return ignore_input_events_; 1324} 1325 1326void RenderProcessHostImpl::Cleanup() { 1327 // When no other owners of this object, we can delete ourselves 1328 if (listeners_.IsEmpty()) { 1329 DCHECK_EQ(0, pending_views_); 1330 NotificationService::current()->Notify( 1331 NOTIFICATION_RENDERER_PROCESS_TERMINATED, 1332 Source<RenderProcessHost>(this), 1333 NotificationService::NoDetails()); 1334 1335 base::MessageLoop::current()->DeleteSoon(FROM_HERE, this); 1336 deleting_soon_ = true; 1337 // It's important not to wait for the DeleteTask to delete the channel 1338 // proxy. Kill it off now. That way, in case the profile is going away, the 1339 // rest of the objects attached to this RenderProcessHost start going 1340 // away first, since deleting the channel proxy will post a 1341 // OnChannelClosed() to IPC::ChannelProxy::Context on the IO thread. 1342 channel_.reset(); 1343 gpu_message_filter_ = NULL; 1344 1345 // Remove ourself from the list of renderer processes so that we can't be 1346 // reused in between now and when the Delete task runs. 1347 UnregisterHost(GetID()); 1348 } 1349} 1350 1351void RenderProcessHostImpl::AddPendingView() { 1352 pending_views_++; 1353} 1354 1355void RenderProcessHostImpl::RemovePendingView() { 1356 DCHECK(pending_views_); 1357 pending_views_--; 1358} 1359 1360void RenderProcessHostImpl::SetSuddenTerminationAllowed(bool enabled) { 1361 sudden_termination_allowed_ = enabled; 1362} 1363 1364bool RenderProcessHostImpl::SuddenTerminationAllowed() const { 1365 return sudden_termination_allowed_; 1366} 1367 1368base::TimeDelta RenderProcessHostImpl::GetChildProcessIdleTime() const { 1369 return base::TimeTicks::Now() - child_process_activity_time_; 1370} 1371 1372void RenderProcessHostImpl::SurfaceUpdated(int32 surface_id) { 1373 if (!gpu_message_filter_) 1374 return; 1375 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind( 1376 &GpuMessageFilter::SurfaceUpdated, 1377 gpu_message_filter_, 1378 surface_id)); 1379} 1380 1381void RenderProcessHostImpl::ResumeRequestsForView(int route_id) { 1382 widget_helper_->ResumeRequestsForView(route_id); 1383} 1384 1385IPC::ChannelProxy* RenderProcessHostImpl::GetChannel() { 1386 return channel_.get(); 1387} 1388 1389bool RenderProcessHostImpl::FastShutdownForPageCount(size_t count) { 1390 if (static_cast<size_t>(GetActiveViewCount()) == count) 1391 return FastShutdownIfPossible(); 1392 return false; 1393} 1394 1395bool RenderProcessHostImpl::FastShutdownStarted() const { 1396 return fast_shutdown_started_; 1397} 1398 1399// static 1400void RenderProcessHostImpl::RegisterHost(int host_id, RenderProcessHost* host) { 1401 g_all_hosts.Get().AddWithID(host, host_id); 1402} 1403 1404// static 1405void RenderProcessHostImpl::UnregisterHost(int host_id) { 1406 RenderProcessHost* host = g_all_hosts.Get().Lookup(host_id); 1407 if (!host) 1408 return; 1409 1410 g_all_hosts.Get().Remove(host_id); 1411 1412 // Look up the map of site to process for the given browser_context, 1413 // in case we need to remove this process from it. It will be registered 1414 // under any sites it rendered that use process-per-site mode. 1415 SiteProcessMap* map = 1416 GetSiteProcessMapForBrowserContext(host->GetBrowserContext()); 1417 map->RemoveProcess(host); 1418} 1419 1420// static 1421bool RenderProcessHostImpl::IsSuitableHost( 1422 RenderProcessHost* host, 1423 BrowserContext* browser_context, 1424 const GURL& site_url) { 1425 if (run_renderer_in_process()) 1426 return true; 1427 1428 if (host->GetBrowserContext() != browser_context) 1429 return false; 1430 1431 // Check whether the given host and the intended site_url will be using the 1432 // same StoragePartition, since a RenderProcessHost can only support a single 1433 // StoragePartition. This is relevant for packaged apps, browser tags, and 1434 // isolated sites. 1435 StoragePartition* dest_partition = 1436 BrowserContext::GetStoragePartitionForSite(browser_context, site_url); 1437 if (!host->InSameStoragePartition(dest_partition)) 1438 return false; 1439 1440 // All URLs are suitable if this is associated with a guest renderer process. 1441 // TODO(fsamuel, creis): Further validation is needed to ensure that only 1442 // normal web URLs are permitted in guest processes. We need to investigate 1443 // where this validation should happen. 1444 if (host->IsGuest()) 1445 return true; 1446 1447 if (!host->IsGuest() && site_url.SchemeIs(chrome::kGuestScheme)) 1448 return false; 1449 1450 if (ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings( 1451 host->GetID()) != 1452 WebUIControllerFactoryRegistry::GetInstance()->UseWebUIBindingsForURL( 1453 browser_context, site_url)) { 1454 return false; 1455 } 1456 1457 return GetContentClient()->browser()->IsSuitableHost(host, site_url); 1458} 1459 1460// static 1461bool RenderProcessHost::run_renderer_in_process() { 1462 return g_run_renderer_in_process_; 1463} 1464 1465// static 1466void RenderProcessHost::SetRunRendererInProcess(bool value) { 1467 g_run_renderer_in_process_ = value; 1468 1469 CommandLine* command_line = CommandLine::ForCurrentProcess(); 1470 if (value && !command_line->HasSwitch(switches::kLang)) { 1471 // Modify the current process' command line to include the browser locale, 1472 // as the renderer expects this flag to be set. 1473 const std::string locale = 1474 GetContentClient()->browser()->GetApplicationLocale(); 1475 command_line->AppendSwitchASCII(switches::kLang, locale); 1476 } 1477} 1478 1479RenderProcessHost::iterator RenderProcessHost::AllHostsIterator() { 1480 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 1481 return iterator(g_all_hosts.Pointer()); 1482} 1483 1484// static 1485RenderProcessHost* RenderProcessHost::FromID(int render_process_id) { 1486 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 1487 return g_all_hosts.Get().Lookup(render_process_id); 1488} 1489 1490// static 1491bool RenderProcessHost::ShouldTryToUseExistingProcessHost( 1492 BrowserContext* browser_context, const GURL& url) { 1493 // Experimental: 1494 // If --enable-strict-site-isolation or --site-per-process is enabled, do not 1495 // try to reuse renderer processes when over the limit. (We could allow pages 1496 // from the same site to share, if we knew what the given process was 1497 // dedicated to. Allowing no sharing is simpler for now.) This may cause 1498 // resource exhaustion issues if too many sites are open at once. 1499 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 1500 if (command_line.HasSwitch(switches::kEnableStrictSiteIsolation) || 1501 command_line.HasSwitch(switches::kSitePerProcess)) 1502 return false; 1503 1504 if (run_renderer_in_process()) 1505 return true; 1506 1507 // NOTE: Sometimes it's necessary to create more render processes than 1508 // GetMaxRendererProcessCount(), for instance when we want to create 1509 // a renderer process for a browser context that has no existing 1510 // renderers. This is OK in moderation, since the 1511 // GetMaxRendererProcessCount() is conservative. 1512 if (g_all_hosts.Get().size() >= GetMaxRendererProcessCount()) 1513 return true; 1514 1515 return GetContentClient()->browser()-> 1516 ShouldTryToUseExistingProcessHost(browser_context, url); 1517} 1518 1519// static 1520RenderProcessHost* RenderProcessHost::GetExistingProcessHost( 1521 BrowserContext* browser_context, 1522 const GURL& site_url) { 1523 // First figure out which existing renderers we can use. 1524 std::vector<RenderProcessHost*> suitable_renderers; 1525 suitable_renderers.reserve(g_all_hosts.Get().size()); 1526 1527 iterator iter(AllHostsIterator()); 1528 while (!iter.IsAtEnd()) { 1529 if (RenderProcessHostImpl::IsSuitableHost( 1530 iter.GetCurrentValue(), 1531 browser_context, site_url)) 1532 suitable_renderers.push_back(iter.GetCurrentValue()); 1533 1534 iter.Advance(); 1535 } 1536 1537 // Now pick a random suitable renderer, if we have any. 1538 if (!suitable_renderers.empty()) { 1539 int suitable_count = static_cast<int>(suitable_renderers.size()); 1540 int random_index = base::RandInt(0, suitable_count - 1); 1541 return suitable_renderers[random_index]; 1542 } 1543 1544 return NULL; 1545} 1546 1547// static 1548bool RenderProcessHost::ShouldUseProcessPerSite( 1549 BrowserContext* browser_context, 1550 const GURL& url) { 1551 // Returns true if we should use the process-per-site model. This will be 1552 // the case if the --process-per-site switch is specified, or in 1553 // process-per-site-instance for particular sites (e.g., WebUI). 1554 // Note that --single-process is handled in ShouldTryToUseExistingProcessHost. 1555 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 1556 if (command_line.HasSwitch(switches::kProcessPerSite)) 1557 return true; 1558 1559 // We want to consolidate particular sites like WebUI even when we are using 1560 // the process-per-tab or process-per-site-instance models. 1561 // Note: DevTools pages have WebUI type but should not reuse the same host. 1562 if (WebUIControllerFactoryRegistry::GetInstance()->UseWebUIForURL( 1563 browser_context, url) && 1564 !url.SchemeIs(chrome::kChromeDevToolsScheme)) { 1565 return true; 1566 } 1567 1568 // Otherwise let the content client decide, defaulting to false. 1569 return GetContentClient()->browser()->ShouldUseProcessPerSite(browser_context, 1570 url); 1571} 1572 1573// static 1574RenderProcessHost* RenderProcessHostImpl::GetProcessHostForSite( 1575 BrowserContext* browser_context, 1576 const GURL& url) { 1577 // Look up the map of site to process for the given browser_context. 1578 SiteProcessMap* map = 1579 GetSiteProcessMapForBrowserContext(browser_context); 1580 1581 // See if we have an existing process with appropriate bindings for this site. 1582 // If not, the caller should create a new process and register it. 1583 std::string site = SiteInstance::GetSiteForURL(browser_context, url) 1584 .possibly_invalid_spec(); 1585 RenderProcessHost* host = map->FindProcess(site); 1586 if (host && !IsSuitableHost(host, browser_context, url)) { 1587 // The registered process does not have an appropriate set of bindings for 1588 // the url. Remove it from the map so we can register a better one. 1589 RecordAction(UserMetricsAction("BindingsMismatch_GetProcessHostPerSite")); 1590 map->RemoveProcess(host); 1591 host = NULL; 1592 } 1593 1594 return host; 1595} 1596 1597void RenderProcessHostImpl::RegisterProcessHostForSite( 1598 BrowserContext* browser_context, 1599 RenderProcessHost* process, 1600 const GURL& url) { 1601 // Look up the map of site to process for the given browser_context. 1602 SiteProcessMap* map = 1603 GetSiteProcessMapForBrowserContext(browser_context); 1604 1605 // Only register valid, non-empty sites. Empty or invalid sites will not 1606 // use process-per-site mode. We cannot check whether the process has 1607 // appropriate bindings here, because the bindings have not yet been granted. 1608 std::string site = SiteInstance::GetSiteForURL(browser_context, url) 1609 .possibly_invalid_spec(); 1610 if (!site.empty()) 1611 map->RegisterProcess(site, process); 1612} 1613 1614base::MessageLoop* 1615 RenderProcessHostImpl::GetInProcessRendererThreadForTesting() { 1616 return g_in_process_thread; 1617} 1618 1619void RenderProcessHostImpl::ProcessDied(bool already_dead) { 1620 // Our child process has died. If we didn't expect it, it's a crash. 1621 // In any case, we need to let everyone know it's gone. 1622 // The OnChannelError notification can fire multiple times due to nested sync 1623 // calls to a renderer. If we don't have a valid channel here it means we 1624 // already handled the error. 1625 1626 // child_process_launcher_ can be NULL in single process mode or if fast 1627 // termination happened. 1628 int exit_code = 0; 1629 base::TerminationStatus status = 1630 child_process_launcher_.get() ? 1631 child_process_launcher_->GetChildTerminationStatus(already_dead, 1632 &exit_code) : 1633 base::TERMINATION_STATUS_NORMAL_TERMINATION; 1634 1635 RendererClosedDetails details(GetHandle(), status, exit_code); 1636 NotificationService::current()->Notify( 1637 NOTIFICATION_RENDERER_PROCESS_CLOSED, 1638 Source<RenderProcessHost>(this), 1639 Details<RendererClosedDetails>(&details)); 1640 1641 child_process_launcher_.reset(); 1642 channel_.reset(); 1643 gpu_message_filter_ = NULL; 1644 1645 IDMap<IPC::Listener>::iterator iter(&listeners_); 1646 while (!iter.IsAtEnd()) { 1647 iter.GetCurrentValue()->OnMessageReceived( 1648 ViewHostMsg_RenderProcessGone(iter.GetCurrentKey(), 1649 static_cast<int>(status), 1650 exit_code)); 1651 iter.Advance(); 1652 } 1653 1654 ClearTransportDIBCache(); 1655 1656 // this object is not deleted at this point and may be reused later. 1657 // TODO(darin): clean this up 1658} 1659 1660int RenderProcessHostImpl::GetActiveViewCount() { 1661 int num_active_views = 0; 1662 RenderWidgetHost::List widgets = RenderWidgetHost::GetRenderWidgetHosts(); 1663 for (size_t i = 0; i < widgets.size(); ++i) { 1664 // Count only RenderWidgetHosts in this process. 1665 if (widgets[i]->GetProcess()->GetID() == GetID()) 1666 num_active_views++; 1667 } 1668 return num_active_views; 1669} 1670 1671// Frame subscription API for this class is for accelerated composited path 1672// only. These calls are redirected to GpuMessageFilter. 1673void RenderProcessHostImpl::BeginFrameSubscription( 1674 int route_id, 1675 scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) { 1676 if (!gpu_message_filter_) 1677 return; 1678 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind( 1679 &GpuMessageFilter::BeginFrameSubscription, 1680 gpu_message_filter_, 1681 route_id, base::Passed(&subscriber))); 1682} 1683 1684void RenderProcessHostImpl::EndFrameSubscription(int route_id) { 1685 if (!gpu_message_filter_) 1686 return; 1687 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind( 1688 &GpuMessageFilter::EndFrameSubscription, 1689 gpu_message_filter_, 1690 route_id)); 1691} 1692 1693void RenderProcessHostImpl::OnShutdownRequest() { 1694 // Don't shut down if there are active RenderViews, or if there are pending 1695 // RenderViews being swapped back in. 1696 // In single process mode, we never shutdown the renderer. 1697 int num_active_views = GetActiveViewCount(); 1698 if (pending_views_ || num_active_views > 0 || run_renderer_in_process()) 1699 return; 1700 1701 // Notify any contents that might have swapped out renderers from this 1702 // process. They should not attempt to swap them back in. 1703 NotificationService::current()->Notify( 1704 NOTIFICATION_RENDERER_PROCESS_CLOSING, 1705 Source<RenderProcessHost>(this), 1706 NotificationService::NoDetails()); 1707 1708 Send(new ChildProcessMsg_Shutdown()); 1709} 1710 1711void RenderProcessHostImpl::SuddenTerminationChanged(bool enabled) { 1712 SetSuddenTerminationAllowed(enabled); 1713} 1714 1715void RenderProcessHostImpl::OnDumpHandlesDone() { 1716 Cleanup(); 1717} 1718 1719void RenderProcessHostImpl::SetBackgrounded(bool backgrounded) { 1720 // Note: we always set the backgrounded_ value. If the process is NULL 1721 // (and hence hasn't been created yet), we will set the process priority 1722 // later when we create the process. 1723 backgrounded_ = backgrounded; 1724 if (!child_process_launcher_.get() || child_process_launcher_->IsStarting()) 1725 return; 1726 1727#if defined(OS_WIN) 1728 // The cbstext.dll loads as a global GetMessage hook in the browser process 1729 // and intercepts/unintercepts the kernel32 API SetPriorityClass in a 1730 // background thread. If the UI thread invokes this API just when it is 1731 // intercepted the stack is messed up on return from the interceptor 1732 // which causes random crashes in the browser process. Our hack for now 1733 // is to not invoke the SetPriorityClass API if the dll is loaded. 1734 if (GetModuleHandle(L"cbstext.dll")) 1735 return; 1736#endif // OS_WIN 1737 1738 child_process_launcher_->SetProcessBackgrounded(backgrounded); 1739} 1740 1741void RenderProcessHostImpl::OnProcessLaunched() { 1742 // No point doing anything, since this object will be destructed soon. We 1743 // especially don't want to send the RENDERER_PROCESS_CREATED notification, 1744 // since some clients might expect a RENDERER_PROCESS_TERMINATED afterwards to 1745 // properly cleanup. 1746 if (deleting_soon_) 1747 return; 1748 1749 if (child_process_launcher_) { 1750 if (!child_process_launcher_->GetHandle()) { 1751 OnChannelError(); 1752 return; 1753 } 1754 1755 child_process_launcher_->SetProcessBackgrounded(backgrounded_); 1756 } 1757 1758 // NOTE: This needs to be before sending queued messages because 1759 // ExtensionService uses this notification to initialize the renderer process 1760 // with state that must be there before any JavaScript executes. 1761 // 1762 // The queued messages contain such things as "navigate". If this notification 1763 // was after, we can end up executing JavaScript before the initialization 1764 // happens. 1765 NotificationService::current()->Notify( 1766 NOTIFICATION_RENDERER_PROCESS_CREATED, 1767 Source<RenderProcessHost>(this), 1768 NotificationService::NoDetails()); 1769 1770 while (!queued_messages_.empty()) { 1771 Send(queued_messages_.front()); 1772 queued_messages_.pop(); 1773 } 1774} 1775 1776void RenderProcessHostImpl::OnUserMetricsRecordAction( 1777 const std::string& action) { 1778 RecordComputedAction(action); 1779} 1780 1781void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) { 1782 MHTMLGenerationManager::GetInstance()->MHTMLGenerated(job_id, data_size); 1783} 1784 1785void RenderProcessHostImpl::OnCompositorSurfaceBuffersSwappedNoHost( 1786 const ViewHostMsg_CompositorSurfaceBuffersSwapped_Params& params) { 1787 TRACE_EVENT0("renderer_host", 1788 "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwappedNoHost"); 1789 AcceleratedSurfaceMsg_BufferPresented_Params ack_params; 1790 ack_params.sync_point = 0; 1791 RenderWidgetHostImpl::AcknowledgeBufferPresent(params.route_id, 1792 params.gpu_process_host_id, 1793 ack_params); 1794} 1795 1796void RenderProcessHostImpl::OnGpuSwitching() { 1797 // We are updating all widgets including swapped out ones. 1798 RenderWidgetHost::List widgets = 1799 RenderWidgetHostImpl::GetAllRenderWidgetHosts(); 1800 for (size_t i = 0; i < widgets.size(); ++i) { 1801 if (!widgets[i]->IsRenderView()) 1802 continue; 1803 1804 // Skip widgets in other processes. 1805 if (widgets[i]->GetProcess()->GetID() != GetID()) 1806 continue; 1807 1808 RenderViewHost* rvh = RenderViewHost::From(widgets[i]); 1809 rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences()); 1810 } 1811} 1812 1813} // namespace content 1814