Make disabling accelerated VPX decoding a GPU driver bug workaround.

gpu/ipc/service/gpu_channel_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 #define GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 18 matching lines @@
 
 namespace base {
 class WaitableEvent;
 }
 
 namespace gl {
 class GLShareGroup;
 }
 
 namespace gpu {
+class GpuDriverBugWorkarounds;
 struct GpuPreferences;
 class PreemptionFlag;
 class SyncPointClient;
 class SyncPointManager;
 struct SyncToken;
 namespace gles2 {
 class FramebufferCompletenessCache;
 class MailboxManager;
 class ProgramCache;
 class ShaderTranslatorCache;
 }
 }
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 namespace gpu {
 class GpuChannel;
 class GpuChannelManagerDelegate;
 class GpuMemoryBufferFactory;
 class GpuWatchdogThread;
 
 // A GpuChannelManager is a thread responsible for issuing rendering commands
 // managing the lifetimes of GPU channels and forwarding IPC requests from the
 // browser process to them based on the corresponding renderer ID.
 class GPU_EXPORT GpuChannelManager {
  public:
   GpuChannelManager(const GpuPreferences& gpu_preferences,
+                    const GpuDriverBugWorkarounds& workarounds,
                     GpuChannelManagerDelegate* delegate,
                     GpuWatchdogThread* watchdog,
                     base::SingleThreadTaskRunner* task_runner,
                     base::SingleThreadTaskRunner* io_task_runner,
                     base::WaitableEvent* shutdown_event,
                     SyncPointManager* sync_point_manager,
                     GpuMemoryBufferFactory* gpu_memory_buffer_factory);
   virtual ~GpuChannelManager();
 
   GpuChannelManagerDelegate* delegate() const { return delegate_; }
@@ skipping 128 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_