Pass Client pointer in Initialize() for VDA/VEA

content/common/gpu/client/gpu_video_decode_accelerator_host.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 CONTENT_COMMON_GPU_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 10 matching lines @@
 // through IPC messages.
 class GpuVideoDecodeAcceleratorHost
     : public IPC::Listener,
       public media::VideoDecodeAccelerator,
       public CommandBufferProxyImpl::DeletionObserver,
       public base::NonThreadSafe {
  public:
   // |channel| is used to send IPC messages to GPU process.
   GpuVideoDecodeAcceleratorHost(GpuChannelHost* channel,
                                 int32 decoder_route_id,
-                                media::VideoDecodeAccelerator::Client* client,
                                 CommandBufferProxyImpl* impl);
 
   // IPC::Listener implementation.
   virtual void OnChannelError() OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // media::VideoDecodeAccelerator implementation.
-  virtual bool Initialize(media::VideoCodecProfile profile) OVERRIDE;
+  virtual bool Initialize(Client* client,
+                          media::VideoCodecProfile profile) OVERRIDE;
   virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE;
   virtual void AssignPictureBuffers(
       const std::vector<media::PictureBuffer>& buffers) OVERRIDE;
   virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE;
   virtual void Flush() OVERRIDE;
   virtual void Reset() OVERRIDE;
   virtual void Destroy() OVERRIDE;
 
   // CommandBufferProxyImpl::DeletionObserver implemetnation.
   virtual void OnWillDeleteImpl() OVERRIDE;
@@ skipping 13 matching lines @@
   void OnFlushDone();
   void OnResetDone();
   void OnErrorNotification(uint32 error);
 
   // Sends IPC messages to the Gpu process.
   GpuChannelHost* channel_;
 
   // Route ID for the associated decoder in the GPU process.
   int32 decoder_route_id_;
 
   // Reference to the client that will receive callbacks from the decoder.

[Ami GONE FROM CHROMIUM, 2014/02/24 23:12:40]

This isn't a "reference", so 
// Client listening to decoder callbacks.

[sheu, 2014/02/24 23:48:20]

Done.

-  media::VideoDecodeAccelerator::Client* client_;
+  Client* client_;
 
   // Unowned reference to the CommandBufferProxyImpl that created us.
   CommandBufferProxyImpl* impl_;
 
   // Requested dimensions of the buffer, from ProvidePictureBuffers().
   gfx::Size picture_buffer_dimensions_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecodeAcceleratorHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_