Make disabling accelerated VPX decoding a GPU driver bug workaround.

services/ui/gpu/gpu_service.h

 // 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.
 
 #ifndef SERVICES_UI_GPU_GPU_SERVICE_H_
 #define SERVICES_UI_GPU_GPU_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task/cancelable_task_tracker.h"
@@ skipping 146 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> main_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_runner_;
 
   std::unique_ptr<gpu::GpuWatchdogThread> watchdog_thread_;
 
   std::unique_ptr<gpu::GpuMemoryBufferFactory> gpu_memory_buffer_factory_;
 
   gpu::GpuPreferences gpu_preferences_;
 
+  gpu::GpuDriverBugWorkarounds gpu_workarounds_;
+
   // Information about the GPU, such as device and vendor ID.
   gpu::GPUInfo gpu_info_;
 
   // Information about general chrome feature support for the GPU.
   gpu::GpuFeatureInfo gpu_feature_info_;
 
   scoped_refptr<mojom::ThreadSafeGpuHostPtr> gpu_host_;
   std::unique_ptr<gpu::GpuChannelManager> gpu_channel_manager_;
   std::unique_ptr<media::MediaGpuChannelManager> media_gpu_channel_manager_;
 
@@ skipping 17 matching lines @@
 
   base::WeakPtr<GpuService> weak_ptr_;
   base::WeakPtrFactory<GpuService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuService);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_GPU_GPU_SERVICE_H_