Added FakeGlVideoDecodeEngine to exercise the IPC protocol for hardware video decoding

chrome/gpu/gpu_video_decoder.h

 // Copyright (c) 2010 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 CHROME_GPU_GPU_VIDEO_DECODER_H_
 #define CHROME_GPU_GPU_VIDEO_DECODER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/ref_counted.h"
@@ skipping 56 matching lines @@
 
   // Used only in system memory path. i.e. Remove this later.
   scoped_refptr<VideoFrame> frame_;
   bool output_transfer_buffer_busy_;
   int32 pending_output_requests_;
 
   GpuChannel* channel_;
   base::ProcessHandle renderer_handle_;
 
   // The GLES2 decoder has the context associated with this decoder. This object
-  // is used to switch GLES2 context and translate client texture ID to service
-  // ID.
+  // is used to switch context and translate client texture ID to service ID.
   gpu::gles2::GLES2Decoder* gles2_decoder_;
 
   scoped_ptr<base::SharedMemory> input_transfer_buffer_;
   scoped_ptr<base::SharedMemory> output_transfer_buffer_;
 
   scoped_ptr<media::VideoDecodeEngine> decode_engine_;
   media::VideoCodecConfig config_;
   media::VideoCodecInfo info_;
 
   // Input message handler.
   void OnInitialize(const GpuVideoDecoderInitParam& param);
   void OnUninitialize();
   void OnFlush();
   void OnEmptyThisBuffer(const GpuVideoDecoderInputBufferParam& buffer);
-  void OnFillThisBuffer(const GpuVideoDecoderOutputBufferParam& frame);
+  void OnFillThisBuffer(const GpuVideoDecoderOutputBufferParam& param);
   void OnFillThisBufferDoneACK();
 
   // Output message helper.
   void SendInitializeDone(const GpuVideoDecoderInitDoneParam& param);
   void SendUninitializeDone();
   void SendFlushDone();
   void SendEmptyBufferDone();
   void SendEmptyBufferACK();
-  void SendFillBufferDone(const GpuVideoDecoderOutputBufferParam& frame);
+  void SendFillBufferDone(const GpuVideoDecoderOutputBufferParam& param);
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecoder);
 };
 
 #endif  // CHROME_GPU_GPU_VIDEO_DECODER_H_