src/content/browser/gpu/gpu_data_manager_impl_private.cc

   1 // Copyright (c) 2013 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 #include "content/browser/gpu/gpu_data_manager_impl_private.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/command_line.h"
  10 #include "base/debug/trace_event.h"
  11 #include "base/metrics/field_trial.h"
  12 #include "base/metrics/histogram.h"
  13 #include "base/metrics/sparse_histogram.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "base/strings/stringprintf.h"
  16 #include "base/sys_info.h"
  17 #include "base/version.h"
  18 #include "cc/base/switches.h"
  19 #include "content/browser/gpu/gpu_process_host.h"
  20 #include "content/common/gpu/gpu_messages.h"
  21 #include "content/public/browser/browser_thread.h"
  22 #include "content/public/browser/gpu_data_manager_observer.h"
  23 #include "content/public/common/content_client.h"
  24 #include "content/public/common/content_constants.h"
  25 #include "content/public/common/content_switches.h"
  26 #include "content/public/common/web_preferences.h"
  27 #include "gpu/command_buffer/service/gpu_switches.h"
  28 #include "gpu/config/gpu_control_list_jsons.h"
  29 #include "gpu/config/gpu_driver_bug_workaround_type.h"
  30 #include "gpu/config/gpu_feature_type.h"
  31 #include "gpu/config/gpu_info_collector.h"
  32 #include "gpu/config/gpu_util.h"
  33 #include "ui/base/ui_base_switches.h"
  34 #include "ui/gl/gl_implementation.h"
  35 #include "ui/gl/gl_switches.h"
  36 #include "ui/gl/gpu_switching_manager.h"
  37
  38 #if defined(OS_MACOSX)
  39 #include <ApplicationServices/ApplicationServices.h>
  40 #endif  // OS_MACOSX
  41 #if defined(OS_WIN)
  42 #include "base/win/windows_version.h"
  43 #endif  // OS_WIN
  44 #if defined(OS_ANDROID)
  45 #include "ui/gfx/android/device_display_info.h"
  46 #endif  // OS_ANDROID
  47
  48 namespace content {
  49
  50 namespace {
  51
  52 enum GpuFeatureStatus {
  53     kGpuFeatureEnabled = 0,
  54     kGpuFeatureBlacklisted = 1,
  55     kGpuFeatureDisabled = 2,  // disabled by user but not blacklisted
  56     kGpuFeatureNumStatus
  57 };
  58
  59 #if defined(OS_WIN)
  60
  61 enum WinSubVersion {
  62   kWinOthers = 0,
  63   kWinXP,
  64   kWinVista,
  65   kWin7,
  66   kWin8,
  67   kNumWinSubVersions
  68 };
  69
  70 int GetGpuBlacklistHistogramValueWin(GpuFeatureStatus status) {
  71   static WinSubVersion sub_version = kNumWinSubVersions;
  72   if (sub_version == kNumWinSubVersions) {
  73     sub_version = kWinOthers;
  74     std::string version_str = base::SysInfo::OperatingSystemVersion();
  75     size_t pos = version_str.find_first_not_of("0123456789.");
  76     if (pos != std::string::npos)
  77       version_str = version_str.substr(0, pos);
  78     Version os_version(version_str);
  79     if (os_version.IsValid() && os_version.components().size() >= 2) {
  80       const std::vector<uint16>& version_numbers = os_version.components();
  81       if (version_numbers[0] == 5)
  82         sub_version = kWinXP;
  83       else if (version_numbers[0] == 6 && version_numbers[1] == 0)
  84         sub_version = kWinVista;
  85       else if (version_numbers[0] == 6 && version_numbers[1] == 1)
  86         sub_version = kWin7;
  87       else if (version_numbers[0] == 6 && version_numbers[1] == 2)
  88         sub_version = kWin8;
  89     }
  90   }
  91   int entry_index = static_cast<int>(sub_version) * kGpuFeatureNumStatus;
  92   switch (status) {
  93     case kGpuFeatureEnabled:
  94       break;
  95     case kGpuFeatureBlacklisted:
  96       entry_index++;
  97       break;
  98     case kGpuFeatureDisabled:
  99       entry_index += 2;
 100       break;
 101   }
 102   return entry_index;
 103 }
 104 #endif  // OS_WIN
 105
 106 // Send UMA histograms about the enabled features and GPU properties.
 107 void UpdateStats(const gpu::GPUInfo& gpu_info,
 108                  const gpu::GpuBlacklist* blacklist,
 109                  const std::set<int>& blacklisted_features) {
 110   uint32 max_entry_id = blacklist->max_entry_id();
 111   if (max_entry_id == 0) {
 112     // GPU Blacklist was not loaded.  No need to go further.
 113     return;
 114   }
 115
 116   const base::CommandLine& command_line =
 117       *base::CommandLine::ForCurrentProcess();
 118   bool disabled = false;
 119
 120   // Use entry 0 to capture the total number of times that data
 121   // was recorded in this histogram in order to have a convenient
 122   // denominator to compute blacklist percentages for the rest of the
 123   // entries.
 124   UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerEntry",
 125       0, max_entry_id + 1);
 126
 127   if (blacklisted_features.size() != 0) {
 128     std::vector<uint32> flag_entries;
 129     blacklist->GetDecisionEntries(&flag_entries, disabled);
 130     DCHECK_GT(flag_entries.size(), 0u);
 131     for (size_t i = 0; i < flag_entries.size(); ++i) {
 132       UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerEntry",
 133           flag_entries[i], max_entry_id + 1);
 134     }
 135   }
 136
 137   // This counts how many users are affected by a disabled entry - this allows
 138   // us to understand the impact of an entry before enable it.
 139   std::vector<uint32> flag_disabled_entries;
 140   disabled = true;
 141   blacklist->GetDecisionEntries(&flag_disabled_entries, disabled);
 142   for (uint32 disabled_entry : flag_disabled_entries) {
 143     UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerDisabledEntry",
 144         disabled_entry, max_entry_id + 1);
 145   }
 146
 147   const gpu::GpuFeatureType kGpuFeatures[] = {
 148       gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS,
 149       gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING, gpu::GPU_FEATURE_TYPE_WEBGL};
 150   const std::string kGpuBlacklistFeatureHistogramNames[] = {
 151       "GPU.BlacklistFeatureTestResults.Accelerated2dCanvas",
 152       "GPU.BlacklistFeatureTestResults.GpuCompositing",
 153       "GPU.BlacklistFeatureTestResults.Webgl", };
 154   const bool kGpuFeatureUserFlags[] = {
 155       command_line.HasSwitch(switches::kDisableAccelerated2dCanvas),
 156       command_line.HasSwitch(switches::kDisableGpu),
 157       command_line.HasSwitch(switches::kDisableExperimentalWebGL), };
 158 #if defined(OS_WIN)
 159   const std::string kGpuBlacklistFeatureHistogramNamesWin[] = {
 160       "GPU.BlacklistFeatureTestResultsWindows.Accelerated2dCanvas",
 161       "GPU.BlacklistFeatureTestResultsWindows.GpuCompositing",
 162       "GPU.BlacklistFeatureTestResultsWindows.Webgl", };
 163 #endif
 164   const size_t kNumFeatures =
 165       sizeof(kGpuFeatures) / sizeof(gpu::GpuFeatureType);
 166   for (size_t i = 0; i < kNumFeatures; ++i) {
 167     // We can't use UMA_HISTOGRAM_ENUMERATION here because the same name is
 168     // expected if the macro is used within a loop.
 169     GpuFeatureStatus value = kGpuFeatureEnabled;
 170     if (blacklisted_features.count(kGpuFeatures[i]))
 171       value = kGpuFeatureBlacklisted;
 172     else if (kGpuFeatureUserFlags[i])
 173       value = kGpuFeatureDisabled;
 174     base::HistogramBase* histogram_pointer = base::LinearHistogram::FactoryGet(
 175         kGpuBlacklistFeatureHistogramNames[i],
 176         1, kGpuFeatureNumStatus, kGpuFeatureNumStatus + 1,
 177         base::HistogramBase::kUmaTargetedHistogramFlag);
 178     histogram_pointer->Add(value);
 179 #if defined(OS_WIN)
 180     histogram_pointer = base::LinearHistogram::FactoryGet(
 181         kGpuBlacklistFeatureHistogramNamesWin[i],
 182         1, kNumWinSubVersions * kGpuFeatureNumStatus,
 183         kNumWinSubVersions * kGpuFeatureNumStatus + 1,
 184         base::HistogramBase::kUmaTargetedHistogramFlag);
 185     histogram_pointer->Add(GetGpuBlacklistHistogramValueWin(value));
 186 #endif
 187   }
 188
 189   UMA_HISTOGRAM_SPARSE_SLOWLY("GPU.GLResetNotificationStrategy",
 190       gpu_info.gl_reset_notification_strategy);
 191 }
 192
 193 // Combine the integers into a string, seperated by ','.
 194 std::string IntSetToString(const std::set<int>& list) {
 195   std::string rt;
 196   for (std::set<int>::const_iterator it = list.begin();
 197        it != list.end(); ++it) {
 198     if (!rt.empty())
 199       rt += ",";
 200     rt += base::IntToString(*it);
 201   }
 202   return rt;
 203 }
 204
 205 #if defined(OS_MACOSX)
 206 void DisplayReconfigCallback(CGDirectDisplayID display,
 207                              CGDisplayChangeSummaryFlags flags,
 208                              void* gpu_data_manager) {
 209   if (flags == kCGDisplayBeginConfigurationFlag)
 210     return; // This call contains no information about the display change
 211
 212   GpuDataManagerImpl* manager =
 213       reinterpret_cast<GpuDataManagerImpl*>(gpu_data_manager);
 214   DCHECK(manager);
 215
 216   // Display change.
 217   bool display_changed = false;
 218   uint32_t displayCount;
 219   CGGetActiveDisplayList(0, NULL, &displayCount);
 220   if (displayCount != manager->GetDisplayCount()) {
 221     manager->SetDisplayCount(displayCount);
 222     display_changed = true;
 223   }
 224
 225   // Gpu change.
 226   bool gpu_changed = false;
 227   if (flags & kCGDisplayAddFlag) {
 228     uint32 vendor_id, device_id;
 229     if (gpu::CollectGpuID(&vendor_id, &device_id) == gpu::kGpuIDSuccess) {
 230       gpu_changed = manager->UpdateActiveGpu(vendor_id, device_id);
 231     }
 232   }
 233
 234   if (display_changed || gpu_changed)
 235     manager->HandleGpuSwitch();
 236 }
 237 #endif  // OS_MACOSX
 238
 239 // Block all domains' use of 3D APIs for this many milliseconds if
 240 // approaching a threshold where system stability might be compromised.
 241 const int64 kBlockAllDomainsMs = 10000;
 242 const int kNumResetsWithinDuration = 1;
 243
 244 // Enums for UMA histograms.
 245 enum BlockStatusHistogram {
 246   BLOCK_STATUS_NOT_BLOCKED,
 247   BLOCK_STATUS_SPECIFIC_DOMAIN_BLOCKED,
 248   BLOCK_STATUS_ALL_DOMAINS_BLOCKED,
 249   BLOCK_STATUS_MAX
 250 };
 251
 252 }  // namespace anonymous
 253
 254 void GpuDataManagerImplPrivate::InitializeForTesting(
 255     const std::string& gpu_blacklist_json,
 256     const gpu::GPUInfo& gpu_info) {
 257   // This function is for testing only, so disable histograms.
 258   update_histograms_ = false;
 259
 260   // Prevent all further initialization.
 261   finalized_ = true;
 262
 263   InitializeImpl(gpu_blacklist_json, std::string(), gpu_info);
 264 }
 265
 266 bool GpuDataManagerImplPrivate::IsFeatureBlacklisted(int feature) const {
 267 #if defined(OS_CHROMEOS)
 268   if (feature == gpu::GPU_FEATURE_TYPE_PANEL_FITTING &&
 269       base::CommandLine::ForCurrentProcess()->HasSwitch(
 270           switches::kDisablePanelFitting)) {
 271     return true;
 272   }
 273 #endif  // OS_CHROMEOS
 274   if (use_swiftshader_) {
 275     // Skia's software rendering is probably more efficient than going through
 276     // software emulation of the GPU, so use that.
 277     if (feature == gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS)
 278       return true;
 279     return false;
 280   }
 281
 282   return (blacklisted_features_.count(feature) == 1);
 283 }
 284
 285 bool GpuDataManagerImplPrivate::IsDriverBugWorkaroundActive(int feature) const {
 286   return (gpu_driver_bugs_.count(feature) == 1);
 287 }
 288
 289 size_t GpuDataManagerImplPrivate::GetBlacklistedFeatureCount() const {
 290   if (use_swiftshader_)
 291     return 1;
 292   return blacklisted_features_.size();
 293 }
 294
 295 void GpuDataManagerImplPrivate::SetDisplayCount(unsigned int display_count) {
 296   display_count_ = display_count;
 297 }
 298
 299 unsigned int GpuDataManagerImplPrivate::GetDisplayCount() const {
 300   return display_count_;
 301 }
 302
 303 gpu::GPUInfo GpuDataManagerImplPrivate::GetGPUInfo() const {
 304   return gpu_info_;
 305 }
 306
 307 void GpuDataManagerImplPrivate::GetGpuProcessHandles(
 308     const GpuDataManager::GetGpuProcessHandlesCallback& callback) const {
 309   GpuProcessHost::GetProcessHandles(callback);
 310 }
 311
 312 bool GpuDataManagerImplPrivate::GpuAccessAllowed(
 313     std::string* reason) const {
 314   if (use_swiftshader_)
 315     return true;
 316
 317   if (!gpu_process_accessible_) {
 318     if (reason) {
 319       *reason = "GPU process launch failed.";
 320     }
 321     return false;
 322   }
 323
 324   if (card_blacklisted_) {
 325     if (reason) {
 326       *reason = "GPU access is disabled ";
 327       base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 328       if (command_line->HasSwitch(switches::kDisableGpu))
 329         *reason += "through commandline switch --disable-gpu.";
 330       else
 331         *reason += "in chrome://settings.";
 332     }
 333     return false;
 334   }
 335
 336   // We only need to block GPU process if more features are disallowed other
 337   // than those in the preliminary gpu feature flags because the latter work
 338   // through renderer commandline switches.
 339   std::set<int> features = preliminary_blacklisted_features_;
 340   gpu::MergeFeatureSets(&features, blacklisted_features_);
 341   if (features.size() > preliminary_blacklisted_features_.size()) {
 342     if (reason) {
 343       *reason = "Features are disabled upon full but not preliminary GPU info.";
 344     }
 345     return false;
 346   }
 347
 348   if (blacklisted_features_.size() == gpu::NUMBER_OF_GPU_FEATURE_TYPES) {
 349     // On Linux, we use cached GL strings to make blacklist decsions at browser
 350     // startup time. We need to launch the GPU process to validate these
 351     // strings even if all features are blacklisted. If all GPU features are
 352     // disabled, the GPU process will only initialize GL bindings, create a GL
 353     // context, and collect full GPU info.
 354 #if !defined(OS_LINUX)
 355     if (reason) {
 356       *reason = "All GPU features are blacklisted.";
 357     }
 358     return false;
 359 #endif
 360   }
 361
 362   return true;
 363 }
 364
 365 void GpuDataManagerImplPrivate::RequestCompleteGpuInfoIfNeeded() {
 366   if (complete_gpu_info_already_requested_ || gpu_info_.finalized)
 367     return;
 368   complete_gpu_info_already_requested_ = true;
 369
 370   GpuProcessHost::SendOnIO(
 371 #if defined(OS_WIN)
 372       GpuProcessHost::GPU_PROCESS_KIND_UNSANDBOXED,
 373 #else
 374       GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
 375 #endif
 376       CAUSE_FOR_GPU_LAUNCH_GPUDATAMANAGER_REQUESTCOMPLETEGPUINFOIFNEEDED,
 377       new GpuMsg_CollectGraphicsInfo());
 378 }
 379
 380 bool GpuDataManagerImplPrivate::IsCompleteGpuInfoAvailable() const {
 381   return gpu_info_.finalized;
 382 }
 383
 384 void GpuDataManagerImplPrivate::RequestVideoMemoryUsageStatsUpdate() const {
 385   GpuProcessHost::SendOnIO(
 386       GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
 387       CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
 388       new GpuMsg_GetVideoMemoryUsageStats());
 389 }
 390
 391 bool GpuDataManagerImplPrivate::ShouldUseSwiftShader() const {
 392   return use_swiftshader_;
 393 }
 394
 395 void GpuDataManagerImplPrivate::RegisterSwiftShaderPath(
 396     const base::FilePath& path) {
 397   swiftshader_path_ = path;
 398   EnableSwiftShaderIfNecessary();
 399 }
 400
 401 void GpuDataManagerImplPrivate::AddObserver(GpuDataManagerObserver* observer) {
 402   GpuDataManagerImpl::UnlockedSession session(owner_);
 403   observer_list_->AddObserver(observer);
 404 }
 405
 406 void GpuDataManagerImplPrivate::RemoveObserver(
 407     GpuDataManagerObserver* observer) {
 408   GpuDataManagerImpl::UnlockedSession session(owner_);
 409   observer_list_->RemoveObserver(observer);
 410 }
 411
 412 void GpuDataManagerImplPrivate::UnblockDomainFrom3DAPIs(const GURL& url) {
 413   // This method must do two things:
 414   //
 415   //  1. If the specific domain is blocked, then unblock it.
 416   //
 417   //  2. Reset our notion of how many GPU resets have occurred recently.
 418   //     This is necessary even if the specific domain was blocked.
 419   //     Otherwise, if we call Are3DAPIsBlocked with the same domain right
 420   //     after unblocking it, it will probably still be blocked because of
 421   //     the recent GPU reset caused by that domain.
 422   //
 423   // These policies could be refined, but at a certain point the behavior
 424   // will become difficult to explain.
 425   std::string domain = GetDomainFromURL(url);
 426
 427   blocked_domains_.erase(domain);
 428   timestamps_of_gpu_resets_.clear();
 429 }
 430
 431 void GpuDataManagerImplPrivate::DisableGpuWatchdog() {
 432   GpuProcessHost::SendOnIO(
 433       GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
 434       CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
 435       new GpuMsg_DisableWatchdog);
 436 }
 437
 438 void GpuDataManagerImplPrivate::SetGLStrings(const std::string& gl_vendor,
 439                                              const std::string& gl_renderer,
 440                                              const std::string& gl_version) {
 441   if (gl_vendor.empty() && gl_renderer.empty() && gl_version.empty())
 442     return;
 443
 444   // If GPUInfo already got GL strings, do nothing.  This is for the rare
 445   // situation where GPU process collected GL strings before this call.
 446   if (!gpu_info_.gl_vendor.empty() ||
 447       !gpu_info_.gl_renderer.empty() ||
 448       !gpu_info_.gl_version.empty())
 449     return;
 450
 451   gpu::GPUInfo gpu_info = gpu_info_;
 452
 453   gpu_info.gl_vendor = gl_vendor;
 454   gpu_info.gl_renderer = gl_renderer;
 455   gpu_info.gl_version = gl_version;
 456
 457   gpu::CollectDriverInfoGL(&gpu_info);
 458
 459   UpdateGpuInfo(gpu_info);
 460   UpdateGpuSwitchingManager(gpu_info);
 461   UpdatePreliminaryBlacklistedFeatures();
 462 }
 463
 464 void GpuDataManagerImplPrivate::GetGLStrings(std::string* gl_vendor,
 465                                              std::string* gl_renderer,
 466                                              std::string* gl_version) {
 467   DCHECK(gl_vendor && gl_renderer && gl_version);
 468
 469   *gl_vendor = gpu_info_.gl_vendor;
 470   *gl_renderer = gpu_info_.gl_renderer;
 471   *gl_version = gpu_info_.gl_version;
 472 }
 473
 474 void GpuDataManagerImplPrivate::Initialize() {
 475   TRACE_EVENT0("startup", "GpuDataManagerImpl::Initialize");
 476   if (finalized_) {
 477     DVLOG(0) << "GpuDataManagerImpl marked as finalized; skipping Initialize";
 478     return;
 479   }
 480
 481   const base::CommandLine* command_line =
 482       base::CommandLine::ForCurrentProcess();
 483   if (command_line->HasSwitch(switches::kSkipGpuDataLoading))
 484     return;
 485
 486   gpu::GPUInfo gpu_info;
 487   if (command_line->GetSwitchValueASCII(
 488           switches::kUseGL) == gfx::kGLImplementationOSMesaName) {
 489     // If using the OSMesa GL implementation, use fake vendor and device ids to
 490     // make sure it never gets blacklisted. This is better than simply
 491     // cancelling GPUInfo gathering as it allows us to proceed with loading the
 492     // blacklist below which may have non-device specific entries we want to
 493     // apply anyways (e.g., OS version blacklisting).
 494     gpu_info.gpu.vendor_id = 0xffff;
 495     gpu_info.gpu.device_id = 0xffff;
 496
 497     // Also declare the driver_vendor to be osmesa to be able to specify
 498     // exceptions based on driver_vendor==osmesa for some blacklist rules.
 499     gpu_info.driver_vendor = gfx::kGLImplementationOSMesaName;
 500   } else {
 501     TRACE_EVENT0("startup",
 502       "GpuDataManagerImpl::Initialize:CollectBasicGraphicsInfo");
 503     gpu::CollectBasicGraphicsInfo(&gpu_info);
 504   }
 505 #if defined(ARCH_CPU_X86_FAMILY)
 506   if (!gpu_info.gpu.vendor_id || !gpu_info.gpu.device_id)
 507     gpu_info.finalized = true;
 508 #endif
 509
 510   std::string gpu_blacklist_string;
 511   std::string gpu_driver_bug_list_string;
 512   if (!command_line->HasSwitch(switches::kIgnoreGpuBlacklist) &&
 513       !command_line->HasSwitch(switches::kUseGpuInTests)) {
 514     gpu_blacklist_string = gpu::kSoftwareRenderingListJson;
 515   }
 516   if (!command_line->HasSwitch(switches::kDisableGpuDriverBugWorkarounds)) {
 517     gpu_driver_bug_list_string = gpu::kGpuDriverBugListJson;
 518   }
 519   InitializeImpl(gpu_blacklist_string,
 520                  gpu_driver_bug_list_string,
 521                  gpu_info);
 522 }
 523
 524 void GpuDataManagerImplPrivate::UpdateGpuInfoHelper() {
 525   GetContentClient()->SetGpuInfo(gpu_info_);
 526
 527   if (gpu_blacklist_) {
 528     std::set<int> features = gpu_blacklist_->MakeDecision(
 529         gpu::GpuControlList::kOsAny, std::string(), gpu_info_);
 530     if (update_histograms_)
 531       UpdateStats(gpu_info_, gpu_blacklist_.get(), features);
 532
 533     UpdateBlacklistedFeatures(features);
 534   }
 535   if (gpu_driver_bug_list_) {
 536     gpu_driver_bugs_ = gpu_driver_bug_list_->MakeDecision(
 537         gpu::GpuControlList::kOsAny, std::string(), gpu_info_);
 538   }
 539   gpu::GpuDriverBugList::AppendWorkaroundsFromCommandLine(
 540       &gpu_driver_bugs_, *base::CommandLine::ForCurrentProcess());
 541
 542   // We have to update GpuFeatureType before notify all the observers.
 543   NotifyGpuInfoUpdate();
 544 }
 545
 546 void GpuDataManagerImplPrivate::UpdateGpuInfo(const gpu::GPUInfo& gpu_info) {
 547   // No further update of gpu_info if falling back to SwiftShader.
 548   if (use_swiftshader_)
 549     return;
 550
 551   gpu::MergeGPUInfo(&gpu_info_, gpu_info);
 552   complete_gpu_info_already_requested_ =
 553       complete_gpu_info_already_requested_ || gpu_info_.finalized;
 554
 555   UpdateGpuInfoHelper();
 556 }
 557
 558 void GpuDataManagerImplPrivate::UpdateVideoMemoryUsageStats(
 559     const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
 560   GpuDataManagerImpl::UnlockedSession session(owner_);
 561   observer_list_->Notify(&GpuDataManagerObserver::OnVideoMemoryUsageStatsUpdate,
 562                          video_memory_usage_stats);
 563 }
 564
 565 void GpuDataManagerImplPrivate::AppendRendererCommandLine(
 566     base::CommandLine* command_line) const {
 567   DCHECK(command_line);
 568
 569   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE) &&
 570       !command_line->HasSwitch(switches::kDisableAcceleratedVideoDecode))
 571     command_line->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
 572 #if defined(ENABLE_WEBRTC)
 573   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE) &&
 574       !command_line->HasSwitch(switches::kDisableWebRtcHWEncoding))
 575     command_line->AppendSwitch(switches::kDisableWebRtcHWEncoding);
 576 #endif
 577
 578 #if defined(USE_AURA)
 579   if (!CanUseGpuBrowserCompositor())
 580     command_line->AppendSwitch(switches::kDisableGpuCompositing);
 581 #endif
 582 }
 583
 584 void GpuDataManagerImplPrivate::AppendGpuCommandLine(
 585     base::CommandLine* command_line) const {
 586   DCHECK(command_line);
 587
 588   std::string use_gl =
 589       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 590           switches::kUseGL);
 591   base::FilePath swiftshader_path =
 592       base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
 593           switches::kSwiftShaderPath);
 594   if (gpu_driver_bugs_.find(gpu::DISABLE_D3D11) != gpu_driver_bugs_.end())
 595     command_line->AppendSwitch(switches::kDisableD3D11);
 596   if (use_swiftshader_) {
 597     command_line->AppendSwitchASCII(switches::kUseGL, "swiftshader");
 598     if (swiftshader_path.empty())
 599       swiftshader_path = swiftshader_path_;
 600   } else if ((IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL) ||
 601               IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING) ||
 602               IsFeatureBlacklisted(
 603                   gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS)) &&
 604              (use_gl == "any")) {
 605     command_line->AppendSwitchASCII(
 606         switches::kUseGL, gfx::kGLImplementationOSMesaName);
 607   } else if (!use_gl.empty()) {
 608     command_line->AppendSwitchASCII(switches::kUseGL, use_gl);
 609   }
 610   if (ui::GpuSwitchingManager::GetInstance()->SupportsDualGpus())
 611     command_line->AppendSwitchASCII(switches::kSupportsDualGpus, "true");
 612   else
 613     command_line->AppendSwitchASCII(switches::kSupportsDualGpus, "false");
 614
 615   if (!swiftshader_path.empty()) {
 616     command_line->AppendSwitchPath(switches::kSwiftShaderPath,
 617                                    swiftshader_path);
 618   }
 619
 620   if (!gpu_driver_bugs_.empty()) {
 621     command_line->AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
 622                                     IntSetToString(gpu_driver_bugs_));
 623   }
 624
 625   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE) &&
 626       !command_line->HasSwitch(switches::kDisableAcceleratedVideoDecode)) {
 627     command_line->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
 628   }
 629 #if defined(ENABLE_WEBRTC)
 630   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE) &&
 631       !command_line->HasSwitch(switches::kDisableWebRtcHWEncoding)) {
 632     command_line->AppendSwitch(switches::kDisableWebRtcHWEncoding);
 633   }
 634 #endif
 635
 636   // Pass GPU and driver information to GPU process. We try to avoid full GPU
 637   // info collection at GPU process startup, but we need gpu vendor_id,
 638   // device_id, driver_vendor, driver_version for deciding whether we need to
 639   // collect full info (on Linux) and for crash reporting purpose.
 640   command_line->AppendSwitchASCII(switches::kGpuVendorID,
 641       base::StringPrintf("0x%04x", gpu_info_.gpu.vendor_id));
 642   command_line->AppendSwitchASCII(switches::kGpuDeviceID,
 643       base::StringPrintf("0x%04x", gpu_info_.gpu.device_id));
 644   command_line->AppendSwitchASCII(switches::kGpuDriverVendor,
 645       gpu_info_.driver_vendor);
 646   command_line->AppendSwitchASCII(switches::kGpuDriverVersion,
 647       gpu_info_.driver_version);
 648 }
 649
 650 void GpuDataManagerImplPrivate::AppendPluginCommandLine(
 651     base::CommandLine* command_line) const {
 652   DCHECK(command_line);
 653
 654 #if defined(OS_MACOSX)
 655   // TODO(jbauman): Add proper blacklist support for core animation plugins so
 656   // special-casing this video card won't be necessary. See
 657   // http://crbug.com/134015
 658   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING)) {
 659     if (!command_line->HasSwitch(
 660            switches::kDisableCoreAnimationPlugins))
 661       command_line->AppendSwitch(
 662           switches::kDisableCoreAnimationPlugins);
 663   }
 664 #endif
 665 }
 666
 667 void GpuDataManagerImplPrivate::UpdateRendererWebPrefs(
 668     WebPreferences* prefs) const {
 669   DCHECK(prefs);
 670
 671   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL)) {
 672     prefs->experimental_webgl_enabled = false;
 673     prefs->pepper_3d_enabled = false;
 674   }
 675   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH3D))
 676     prefs->flash_3d_enabled = false;
 677   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D)) {
 678     prefs->flash_stage3d_enabled = false;
 679     prefs->flash_stage3d_baseline_enabled = false;
 680   }
 681   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D_BASELINE))
 682     prefs->flash_stage3d_baseline_enabled = false;
 683   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS))
 684     prefs->accelerated_2d_canvas_enabled = false;
 685   if (IsDriverBugWorkaroundActive(gpu::DISABLE_MULTISAMPLING) ||
 686       (IsDriverBugWorkaroundActive(gpu::DISABLE_MULTIMONITOR_MULTISAMPLING) &&
 687           display_count_ > 1))
 688     prefs->gl_multisampling_enabled = false;
 689
 690 #if defined(USE_AURA)
 691   if (!CanUseGpuBrowserCompositor()) {
 692     prefs->accelerated_2d_canvas_enabled = false;
 693     prefs->pepper_3d_enabled = false;
 694   }
 695 #endif
 696
 697   if (!IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE) &&
 698       !base::CommandLine::ForCurrentProcess()->HasSwitch(
 699           switches::kDisableAcceleratedVideoDecode)) {
 700     prefs->pepper_accelerated_video_decode_enabled = true;
 701   }
 702
 703   if (!IsFeatureBlacklisted(
 704           gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION_EXPANDED_HEURISTICS) ||
 705       base::FieldTrialList::FindFullName(
 706           "GpuRasterizationExpandedContentWhitelist") == "Enabled")
 707     prefs->use_expanded_heuristics_for_gpu_rasterization = true;
 708 }
 709
 710 void GpuDataManagerImplPrivate::DisableHardwareAcceleration() {
 711   card_blacklisted_ = true;
 712
 713   for (int i = 0; i < gpu::NUMBER_OF_GPU_FEATURE_TYPES; ++i)
 714     blacklisted_features_.insert(i);
 715
 716   EnableSwiftShaderIfNecessary();
 717   NotifyGpuInfoUpdate();
 718 }
 719
 720 std::string GpuDataManagerImplPrivate::GetBlacklistVersion() const {
 721   if (gpu_blacklist_)
 722     return gpu_blacklist_->version();
 723   return "0";
 724 }
 725
 726 std::string GpuDataManagerImplPrivate::GetDriverBugListVersion() const {
 727   if (gpu_driver_bug_list_)
 728     return gpu_driver_bug_list_->version();
 729   return "0";
 730 }
 731
 732 void GpuDataManagerImplPrivate::GetBlacklistReasons(
 733     base::ListValue* reasons) const {
 734   if (gpu_blacklist_)
 735     gpu_blacklist_->GetReasons(reasons, "disabledFeatures");
 736   if (gpu_driver_bug_list_)
 737     gpu_driver_bug_list_->GetReasons(reasons, "workarounds");
 738 }
 739
 740 void GpuDataManagerImplPrivate::GetDriverBugWorkarounds(
 741     base::ListValue* workarounds) const {
 742   for (std::set<int>::const_iterator it = gpu_driver_bugs_.begin();
 743        it != gpu_driver_bugs_.end(); ++it) {
 744     workarounds->AppendString(
 745         gpu::GpuDriverBugWorkaroundTypeToString(
 746             static_cast<gpu::GpuDriverBugWorkaroundType>(*it)));
 747   }
 748 }
 749
 750 void GpuDataManagerImplPrivate::AddLogMessage(
 751     int level, const std::string& header, const std::string& message) {
 752   log_messages_.push_back(LogMessage(level, header, message));
 753 }
 754
 755 void GpuDataManagerImplPrivate::ProcessCrashed(
 756     base::TerminationStatus exit_code) {
 757   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
 758     // Unretained is ok, because it's posted to UI thread, the thread
 759     // where the singleton GpuDataManagerImpl lives until the end.
 760     BrowserThread::PostTask(
 761         BrowserThread::UI,
 762         FROM_HERE,
 763         base::Bind(&GpuDataManagerImpl::ProcessCrashed,
 764                    base::Unretained(owner_),
 765                    exit_code));
 766     return;
 767   }
 768   {
 769     gpu_info_.process_crash_count = GpuProcessHost::gpu_crash_count();
 770     GpuDataManagerImpl::UnlockedSession session(owner_);
 771     observer_list_->Notify(
 772         &GpuDataManagerObserver::OnGpuProcessCrashed, exit_code);
 773   }
 774 }
 775
 776 base::ListValue* GpuDataManagerImplPrivate::GetLogMessages() const {
 777   base::ListValue* value = new base::ListValue;
 778   for (size_t ii = 0; ii < log_messages_.size(); ++ii) {
 779     base::DictionaryValue* dict = new base::DictionaryValue();
 780     dict->SetInteger("level", log_messages_[ii].level);
 781     dict->SetString("header", log_messages_[ii].header);
 782     dict->SetString("message", log_messages_[ii].message);
 783     value->Append(dict);
 784   }
 785   return value;
 786 }
 787
 788 void GpuDataManagerImplPrivate::HandleGpuSwitch() {
 789   GpuDataManagerImpl::UnlockedSession session(owner_);
 790   observer_list_->Notify(&GpuDataManagerObserver::OnGpuSwitching);
 791 }
 792
 793 bool GpuDataManagerImplPrivate::UpdateActiveGpu(
 794     uint32 vendor_id, uint32 device_id) {
 795   if (gpu_info_.gpu.vendor_id == vendor_id &&
 796       gpu_info_.gpu.device_id == device_id) {
 797     // The primary GPU is active.
 798     if (gpu_info_.gpu.active)
 799       return false;
 800     gpu_info_.gpu.active = true;
 801     for (size_t ii = 0; ii < gpu_info_.secondary_gpus.size(); ++ii)
 802       gpu_info_.secondary_gpus[ii].active = false;
 803   } else {
 804     // A secondary GPU is active.
 805     for (size_t ii = 0; ii < gpu_info_.secondary_gpus.size(); ++ii) {
 806       if (gpu_info_.secondary_gpus[ii].vendor_id == vendor_id &&
 807           gpu_info_.secondary_gpus[ii].device_id == device_id) {
 808         if (gpu_info_.secondary_gpus[ii].active)
 809           return false;
 810         gpu_info_.secondary_gpus[ii].active = true;
 811       } else {
 812         gpu_info_.secondary_gpus[ii].active = false;
 813       }
 814     }
 815     gpu_info_.gpu.active = false;
 816   }
 817   UpdateGpuInfoHelper();
 818   return true;
 819 }
 820
 821 bool GpuDataManagerImplPrivate::CanUseGpuBrowserCompositor() const {
 822   if (ShouldUseSwiftShader())
 823     return false;
 824   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING))
 825     return false;
 826   return true;
 827 }
 828
 829 void GpuDataManagerImplPrivate::BlockDomainFrom3DAPIs(
 830     const GURL& url, GpuDataManagerImpl::DomainGuilt guilt) {
 831   BlockDomainFrom3DAPIsAtTime(url, guilt, base::Time::Now());
 832 }
 833
 834 bool GpuDataManagerImplPrivate::Are3DAPIsBlocked(const GURL& url,
 835                                                  int render_process_id,
 836                                                  int render_view_id,
 837                                                  ThreeDAPIType requester) {
 838   bool blocked = Are3DAPIsBlockedAtTime(url, base::Time::Now()) !=
 839       GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
 840   if (blocked) {
 841     // Unretained is ok, because it's posted to UI thread, the thread
 842     // where the singleton GpuDataManagerImpl lives until the end.
 843     BrowserThread::PostTask(
 844         BrowserThread::UI, FROM_HERE,
 845         base::Bind(&GpuDataManagerImpl::Notify3DAPIBlocked,
 846                    base::Unretained(owner_), url, render_process_id,
 847                    render_view_id, requester));
 848   }
 849
 850   return blocked;
 851 }
 852
 853 void GpuDataManagerImplPrivate::DisableDomainBlockingFor3DAPIsForTesting() {
 854   domain_blocking_enabled_ = false;
 855 }
 856
 857 // static
 858 GpuDataManagerImplPrivate* GpuDataManagerImplPrivate::Create(
 859     GpuDataManagerImpl* owner) {
 860   return new GpuDataManagerImplPrivate(owner);
 861 }
 862
 863 GpuDataManagerImplPrivate::GpuDataManagerImplPrivate(
 864     GpuDataManagerImpl* owner)
 865     : complete_gpu_info_already_requested_(false),
 866       observer_list_(new GpuDataManagerObserverList),
 867       use_swiftshader_(false),
 868       card_blacklisted_(false),
 869       update_histograms_(true),
 870       window_count_(0),
 871       domain_blocking_enabled_(true),
 872       owner_(owner),
 873       display_count_(0),
 874       gpu_process_accessible_(true),
 875       finalized_(false) {
 876   DCHECK(owner_);
 877   const base::CommandLine* command_line =
 878       base::CommandLine::ForCurrentProcess();
 879   if (command_line->HasSwitch(switches::kDisableGpu))
 880     DisableHardwareAcceleration();
 881
 882 #if defined(OS_MACOSX)
 883   CGGetActiveDisplayList (0, NULL, &display_count_);
 884   CGDisplayRegisterReconfigurationCallback(DisplayReconfigCallback, owner_);
 885 #endif  // OS_MACOSX
 886
 887   // For testing only.
 888   if (command_line->HasSwitch(switches::kDisableDomainBlockingFor3DAPIs)) {
 889     domain_blocking_enabled_ = false;
 890   }
 891 }
 892
 893 GpuDataManagerImplPrivate::~GpuDataManagerImplPrivate() {
 894 #if defined(OS_MACOSX)
 895   CGDisplayRemoveReconfigurationCallback(DisplayReconfigCallback, owner_);
 896 #endif
 897 }
 898
 899 void GpuDataManagerImplPrivate::InitializeImpl(
 900     const std::string& gpu_blacklist_json,
 901     const std::string& gpu_driver_bug_list_json,
 902     const gpu::GPUInfo& gpu_info) {
 903   const bool log_gpu_control_list_decisions =
 904       base::CommandLine::ForCurrentProcess()->HasSwitch(
 905           switches::kLogGpuControlListDecisions);
 906
 907   if (!gpu_blacklist_json.empty()) {
 908     gpu_blacklist_.reset(gpu::GpuBlacklist::Create());
 909     if (log_gpu_control_list_decisions)
 910       gpu_blacklist_->enable_control_list_logging("gpu_blacklist");
 911     bool success = gpu_blacklist_->LoadList(
 912         gpu_blacklist_json, gpu::GpuControlList::kCurrentOsOnly);
 913     DCHECK(success);
 914   }
 915   if (!gpu_driver_bug_list_json.empty()) {
 916     gpu_driver_bug_list_.reset(gpu::GpuDriverBugList::Create());
 917     if (log_gpu_control_list_decisions)
 918       gpu_driver_bug_list_->enable_control_list_logging("gpu_driver_bug_list");
 919     bool success = gpu_driver_bug_list_->LoadList(
 920         gpu_driver_bug_list_json, gpu::GpuControlList::kCurrentOsOnly);
 921     DCHECK(success);
 922   }
 923
 924   gpu_info_ = gpu_info;
 925   UpdateGpuInfo(gpu_info);
 926   UpdateGpuSwitchingManager(gpu_info);
 927   UpdatePreliminaryBlacklistedFeatures();
 928 }
 929
 930 void GpuDataManagerImplPrivate::UpdateBlacklistedFeatures(
 931     const std::set<int>& features) {
 932   blacklisted_features_ = features;
 933
 934   // Force disable using the GPU for these features, even if they would
 935   // otherwise be allowed.
 936   if (card_blacklisted_) {
 937     blacklisted_features_.insert(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING);
 938     blacklisted_features_.insert(gpu::GPU_FEATURE_TYPE_WEBGL);
 939   }
 940
 941   EnableSwiftShaderIfNecessary();
 942 }
 943
 944 void GpuDataManagerImplPrivate::UpdatePreliminaryBlacklistedFeatures() {
 945   preliminary_blacklisted_features_ = blacklisted_features_;
 946 }
 947
 948 void GpuDataManagerImplPrivate::UpdateGpuSwitchingManager(
 949     const gpu::GPUInfo& gpu_info) {
 950   ui::GpuSwitchingManager::GetInstance()->SetGpuCount(
 951       gpu_info.secondary_gpus.size() + 1);
 952
 953   if (ui::GpuSwitchingManager::GetInstance()->SupportsDualGpus()) {
 954     if (gpu_driver_bugs_.count(gpu::FORCE_DISCRETE_GPU) == 1)
 955       ui::GpuSwitchingManager::GetInstance()->ForceUseOfDiscreteGpu();
 956     else if (gpu_driver_bugs_.count(gpu::FORCE_INTEGRATED_GPU) == 1)
 957       ui::GpuSwitchingManager::GetInstance()->ForceUseOfIntegratedGpu();
 958   }
 959 }
 960
 961 void GpuDataManagerImplPrivate::NotifyGpuInfoUpdate() {
 962   observer_list_->Notify(&GpuDataManagerObserver::OnGpuInfoUpdate);
 963 }
 964
 965 void GpuDataManagerImplPrivate::EnableSwiftShaderIfNecessary() {
 966   if (!GpuAccessAllowed(NULL) ||
 967       blacklisted_features_.count(gpu::GPU_FEATURE_TYPE_WEBGL)) {
 968     if (!swiftshader_path_.empty() &&
 969         !base::CommandLine::ForCurrentProcess()->HasSwitch(
 970              switches::kDisableSoftwareRasterizer))
 971       use_swiftshader_ = true;
 972   }
 973 }
 974
 975 std::string GpuDataManagerImplPrivate::GetDomainFromURL(
 976     const GURL& url) const {
 977   // For the moment, we just use the host, or its IP address, as the
 978   // entry in the set, rather than trying to figure out the top-level
 979   // domain. This does mean that a.foo.com and b.foo.com will be
 980   // treated independently in the blocking of a given domain, but it
 981   // would require a third-party library to reliably figure out the
 982   // top-level domain from a URL.
 983   if (!url.has_host()) {
 984     return std::string();
 985   }
 986
 987   return url.host();
 988 }
 989
 990 void GpuDataManagerImplPrivate::BlockDomainFrom3DAPIsAtTime(
 991     const GURL& url,
 992     GpuDataManagerImpl::DomainGuilt guilt,
 993     base::Time at_time) {
 994   if (!domain_blocking_enabled_)
 995     return;
 996
 997   std::string domain = GetDomainFromURL(url);
 998
 999   DomainBlockEntry& entry = blocked_domains_[domain];
1000   entry.last_guilt = guilt;
1001   timestamps_of_gpu_resets_.push_back(at_time);
1002 }
1003
1004 GpuDataManagerImpl::DomainBlockStatus
1005 GpuDataManagerImplPrivate::Are3DAPIsBlockedAtTime(
1006     const GURL& url, base::Time at_time) const {
1007   if (!domain_blocking_enabled_)
1008     return GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
1009
1010   // Note: adjusting the policies in this code will almost certainly
1011   // require adjusting the associated unit tests.
1012   std::string domain = GetDomainFromURL(url);
1013
1014   DomainBlockMap::const_iterator iter = blocked_domains_.find(domain);
1015   if (iter != blocked_domains_.end()) {
1016     // Err on the side of caution, and assume that if a particular
1017     // domain shows up in the block map, it's there for a good
1018     // reason and don't let its presence there automatically expire.
1019
1020     UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
1021                               BLOCK_STATUS_SPECIFIC_DOMAIN_BLOCKED,
1022                               BLOCK_STATUS_MAX);
1023
1024     return GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_BLOCKED;
1025   }
1026
1027   // Look at the timestamps of the recent GPU resets to see if there are
1028   // enough within the threshold which would cause us to blacklist all
1029   // domains. This doesn't need to be overly precise -- if time goes
1030   // backward due to a system clock adjustment, that's fine.
1031   //
1032   // TODO(kbr): make this pay attention to the TDR thresholds in the
1033   // Windows registry, but make sure it continues to be testable.
1034   {
1035     std::list<base::Time>::iterator iter = timestamps_of_gpu_resets_.begin();
1036     int num_resets_within_timeframe = 0;
1037     while (iter != timestamps_of_gpu_resets_.end()) {
1038       base::Time time = *iter;
1039       base::TimeDelta delta_t = at_time - time;
1040
1041       // If this entry has "expired", just remove it.
1042       if (delta_t.InMilliseconds() > kBlockAllDomainsMs) {
1043         iter = timestamps_of_gpu_resets_.erase(iter);
1044         continue;
1045       }
1046
1047       ++num_resets_within_timeframe;
1048       ++iter;
1049     }
1050
1051     if (num_resets_within_timeframe >= kNumResetsWithinDuration) {
1052       UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
1053                                 BLOCK_STATUS_ALL_DOMAINS_BLOCKED,
1054                                 BLOCK_STATUS_MAX);
1055
1056       return GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_ALL_DOMAINS_BLOCKED;
1057     }
1058   }
1059
1060   UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
1061                             BLOCK_STATUS_NOT_BLOCKED,
1062                             BLOCK_STATUS_MAX);
1063
1064   return GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
1065 }
1066
1067 int64 GpuDataManagerImplPrivate::GetBlockAllDomainsDurationInMs() const {
1068   return kBlockAllDomainsMs;
1069 }
1070
1071 void GpuDataManagerImplPrivate::Notify3DAPIBlocked(const GURL& url,
1072                                                    int render_process_id,
1073                                                    int render_view_id,
1074                                                    ThreeDAPIType requester) {
1075   GpuDataManagerImpl::UnlockedSession session(owner_);
1076   observer_list_->Notify(&GpuDataManagerObserver::DidBlock3DAPIs,
1077                          url, render_process_id, render_view_id, requester);
1078 }
1079
1080 void GpuDataManagerImplPrivate::OnGpuProcessInitFailure() {
1081   gpu_process_accessible_ = false;
1082   gpu_info_.finalized = true;
1083   complete_gpu_info_already_requested_ = true;
1084   // Some observers might be waiting.
1085   NotifyGpuInfoUpdate();
1086 }
1087
1088 }  // namespace content