Implement proper synchronization between HW video decode IPC and CommandBuffer.

content/common/gpu/gpu_channel.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_COMMON_GPU_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 133 matching lines @@
   void OnCreateOffscreenSurface(const gfx::Size& size,
                                 int* route_id);
   void OnDestroySurface(int route_id);
 
   void OnCreateVideoDecoder(int32 decoder_host_id,
                             uint32 command_buffer_route_id,
                             const std::vector<uint32>& configs);
   void OnDestroyVideoDecoder(int32 decoder_id);
   void OnCreateTransportTexture(int32 context_route_id, int32 host_id);
 
-  void OnAssignTexturesToVideoDecoder(int32 decoder_id,
-                                      const std::vector<int32>& buffer_ids,
-                                      const std::vector<uint32>& texture_ids,
-                                      const std::vector<gfx::Size>& sizes);
-
   // The lifetime of objects of this class is managed by a GpuChannelManager.
   // The GpuChannelManager destroy all the GpuChannels that they own when they
   // are destroyed. So a raw pointer is safe.
   GpuChannelManager* gpu_channel_manager_;
 
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // The id of the renderer who is on the other side of the channel.
   int renderer_id_;
 
@@ skipping 25 matching lines @@
   TransportTextureMap transport_textures_;
 
   bool log_messages_;  // True if we should log sent and received messages.
   gpu::gles2::DisallowedExtensions disallowed_extensions_;
   GpuWatchdog* watchdog_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_