Make VEA client of command buffer; move sync. IPC to VDA/VEA::Initialize()

media/filters/mock_gpu_video_accelerator_factories.h

Index: media/filters/mock_gpu_video_accelerator_factories.h
diff --git a/media/filters/mock_gpu_video_accelerator_factories.h b/media/filters/mock_gpu_video_accelerator_factories.h
index 86b9a16522b008760a3ec2ab5c174a332ee9da34..fde3b08fea3fb14a28243065cee9c037719b9525 100644
--- a/media/filters/mock_gpu_video_accelerator_factories.h
+++ b/media/filters/mock_gpu_video_accelerator_factories.h
@@ -28,8 +28,7 @@ class MockGpuVideoAcceleratorFactories : public GpuVideoAcceleratorFactories {
 
   // CreateVideo{Decode,Encode}Accelerator returns scoped_ptr, which the mocking
   // framework does not want.  Trampoline them.
-  MOCK_METHOD1(DoCreateVideoDecodeAccelerator,
-               VideoDecodeAccelerator*(VideoCodecProfile));
+  MOCK_METHOD0(DoCreateVideoDecodeAccelerator, VideoDecodeAccelerator*());
   MOCK_METHOD0(DoCreateVideoEncodeAccelerator, VideoEncodeAccelerator*());
 
   MOCK_METHOD5(CreateTextures,
@@ -47,8 +46,8 @@ class MockGpuVideoAcceleratorFactories : public GpuVideoAcceleratorFactories {
   MOCK_METHOD1(CreateSharedMemory, base::SharedMemory*(size_t size));
   MOCK_METHOD0(GetTaskRunner, scoped_refptr<base::SingleThreadTaskRunner>());
 
-  virtual scoped_ptr<VideoDecodeAccelerator> CreateVideoDecodeAccelerator(
-      VideoCodecProfile profile) OVERRIDE;
+  virtual scoped_ptr<VideoDecodeAccelerator> CreateVideoDecodeAccelerator()
+      OVERRIDE;
 
   virtual scoped_ptr<VideoEncodeAccelerator> CreateVideoEncodeAccelerator()
       OVERRIDE;