Make disabling accelerated VPX decoding a GPU driver bug workaround.

services/ui/gpu/gpu_service.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/gpu/gpu_service.h"
 
 #include "base/bind.h"
 #include "base/debug/crash_logging.h"
 #include "base/lazy_instance.h"
 #include "base/memory/shared_memory.h"
@@ skipping 75 matching lines @@
 
 GpuService::GpuService(const gpu::GPUInfo& gpu_info,
                        std::unique_ptr<gpu::GpuWatchdogThread> watchdog_thread,
                        scoped_refptr<base::SingleThreadTaskRunner> io_runner,
                        const gpu::GpuFeatureInfo& gpu_feature_info)
     : main_runner_(base::ThreadTaskRunnerHandle::Get()),
       io_runner_(std::move(io_runner)),
       watchdog_thread_(std::move(watchdog_thread)),
       gpu_memory_buffer_factory_(
           gpu::GpuMemoryBufferFactory::CreateNativeType()),
+      gpu_workarounds_(base::CommandLine::ForCurrentProcess()),
       gpu_info_(gpu_info),
       gpu_feature_info_(gpu_feature_info),
       sync_point_manager_(nullptr),
       bindings_(base::MakeUnique<mojo::BindingSet<mojom::GpuService>>()),
       weak_ptr_factory_(this) {
   DCHECK(!io_runner_->BelongsToCurrentThread());
   weak_ptr_ = weak_ptr_factory_.GetWeakPtr();
 }
 
 GpuService::~GpuService() {
@@ skipping 19 matching lines @@
   if (owned_shutdown_event_)
     owned_shutdown_event_->Signal();
 }
 
 void GpuService::UpdateGPUInfoFromPreferences(
     const gpu::GpuPreferences& preferences) {
   DCHECK(main_runner_->BelongsToCurrentThread());
   DCHECK(!gpu_host_);
   gpu_preferences_ = preferences;
   gpu_info_.video_decode_accelerator_capabilities =
-      media::GpuVideoDecodeAccelerator::GetCapabilities(gpu_preferences_);
+      media::GpuVideoDecodeAccelerator::GetCapabilities(gpu_preferences_,
+                                                        gpu_workarounds_);
   gpu_info_.video_encode_accelerator_supported_profiles =
       media::GpuVideoEncodeAccelerator::GetSupportedProfiles(gpu_preferences_);
   gpu_info_.jpeg_decode_accelerator_supported =
       media::GpuJpegDecodeAcceleratorFactoryProvider::
           IsAcceleratedJpegDecodeSupported();
   // Record initialization only after collecting the GPU info because that can
   // take a significant amount of time.
   gpu_info_.initialization_time = base::Time::Now() - start_time_;
 }
 
@@ skipping 25 matching lines @@
     owned_shutdown_event_ = base::MakeUnique<base::WaitableEvent>(
         base::WaitableEvent::ResetPolicy::MANUAL,
         base::WaitableEvent::InitialState::NOT_SIGNALED);
     shutdown_event_ = owned_shutdown_event_.get();
   }
 
   // Defer creation of the render thread. This is to prevent it from handling
   // IPC messages before the sandbox has been enabled and all other necessary
   // initialization has succeeded.
   gpu_channel_manager_.reset(new gpu::GpuChannelManager(
-      gpu_preferences_, this, watchdog_thread_.get(),
+      gpu_preferences_, gpu_workarounds_, this, watchdog_thread_.get(),
       base::ThreadTaskRunnerHandle::Get(), io_runner_, sync_point_manager_,
       gpu_memory_buffer_factory_.get(), gpu_feature_info_,
       std::move(activity_flags)));
 
   media_gpu_channel_manager_.reset(
       new media::MediaGpuChannelManager(gpu_channel_manager_.get()));
   if (watchdog_thread())
     watchdog_thread()->AddPowerObserver();
 }
 
@@ skipping 306 matching lines @@
 
 void GpuService::Stop(const StopCallback& callback) {
   DCHECK(io_runner_->BelongsToCurrentThread());
   main_runner_->PostTaskAndReply(FROM_HERE, base::Bind([] {
                                    base::MessageLoop::current()->QuitWhenIdle();
                                  }),
                                  callback);
 }
 
 }  // namespace ui