Add initialization callback support for Video Decoder PPAPI.

content/renderer/gpu_video_decode_accelerator_host.h

 // Copyright (c) 2011 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_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 #define CONTENT_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
   virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE;
   virtual bool Flush() OVERRIDE;
   virtual bool Abort() OVERRIDE;
 
  private:
   void OnBitstreamBufferProcessed(int32 bitstream_buffer_id);
   void OnProvidePictureBuffer(
       uint32 num_requested_buffers, const gfx::Size& buffer_size);
   void OnDismissPictureBuffer(int32 picture_buffer_id);
   void OnCreateDone(int32 decoder_id);
+  void OnInitializeDone();
   void OnPictureReady(int32 picture_buffer_id, int32 bitstream_buffer_id);
   void OnFlushDone();
   void OnAbortDone();
   void OnEndOfStream();
   void OnErrorNotification(uint32 error);
 
   // A router used to send us IPC messages.
   MessageRouter* router_;
 
   // Sends IPC messages to the Gpu process.
   IPC::Message::Sender* ipc_sender_;
 
   // ID of this GpuVideoDecodeAcceleratorHost.
   int32 decoder_host_id_;
 
   // ID of VideoDecodeAccelerator in the Gpu process.
   int32 decoder_id_;
 
   // Temporarily store configs here in between Create and Initialize phase.
   std::vector<uint32> configs_;
 
   // Reference to the client that will receive callbacks from the decoder.
   media::VideoDecodeAccelerator::Client* client_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecodeAcceleratorHost);
 };
 
 #endif  // CONTENT_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_