Add initialization callback support for Video Decoder PPAPI.

content/renderer/gpu_video_service_host.cc

 // 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.
 
 #include "content/renderer/gpu_video_service_host.h"
 
 #include "content/common/gpu/gpu_messages.h"
 #include "content/renderer/gpu_video_decode_accelerator_host.h"
 #include "content/renderer/render_thread.h"
 #include "media/video/video_decode_accelerator.h"
@@ skipping 24 matching lines @@
 
 void GpuVideoServiceHost::OnChannelClosing() {
   // TODO(hclam): Implement.
 }
 
 bool GpuVideoServiceHost::OnMessageReceived(const IPC::Message& msg) {
   switch (msg.type()) {
     case AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed::ID:
     case AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers::ID:
     case AcceleratedVideoDecoderHostMsg_CreateDone::ID:
+    case AcceleratedVideoDecoderHostMsg_InitializeDone::ID:
     case AcceleratedVideoDecoderHostMsg_DismissPictureBuffer::ID:
     case AcceleratedVideoDecoderHostMsg_PictureReady::ID:
     case AcceleratedVideoDecoderHostMsg_FlushDone::ID:
     case AcceleratedVideoDecoderHostMsg_AbortDone::ID:
     case AcceleratedVideoDecoderHostMsg_EndOfStream::ID:
     case AcceleratedVideoDecoderHostMsg_ErrorNotification::ID:
       if (router_.RouteMessage(msg))
         return true;
       LOG(ERROR) << "AcceleratedVideoDecoderHostMsg cannot be dispatched.";
     default:
@@ skipping 20 matching lines @@
   return NULL;
 }
 
 GpuVideoDecodeAcceleratorHost* GpuVideoServiceHost::CreateVideoAccelerator(
     media::VideoDecodeAccelerator::Client* client) {
   base::AutoLock auto_lock(lock_);
   DCHECK(channel_);
   return new GpuVideoDecodeAcceleratorHost(
       &router_, channel_, next_decoder_host_id_++, client);
 }