Route D3D VSync signal to Compositor

gpu/ipc/service/gpu_command_buffer_stub.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 GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_
 #define GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 78 matching lines @@
   void DidCreateAcceleratedSurfaceChildWindow(
       SurfaceHandle parent_window,
       SurfaceHandle child_window) override;
 #endif
   void DidSwapBuffersComplete(SwapBuffersCompleteParams params) override;
   const gles2::FeatureInfo* GetFeatureInfo() const override;
   void SetLatencyInfoCallback(const LatencyInfoCallback& callback) override;
   void UpdateVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override;
 
+  void AddFilter(IPC::MessageFilter* message_filter) override;
+  int32_t GetRouteID() const override { return route_id_; }
+
   gles2::MemoryTracker* GetMemoryTracker() const;
 
   // Whether this command buffer can currently handle IPC messages.
   bool IsScheduled();
 
   // Whether there are commands in the buffer that haven't been processed.
   bool HasUnprocessedCommands();
 
   gles2::GLES2Decoder* decoder() const { return decoder_.get(); }
   CommandExecutor* scheduler() const { return executor_.get(); }
   GpuChannel* channel() const { return channel_; }
 
   // Unique command buffer ID for this command buffer stub.
   CommandBufferId command_buffer_id() const { return command_buffer_id_; }
 
-  // Identifies the various GpuCommandBufferStubs in the GPU process belonging
-  // to the same renderer process.
-  int32_t route_id() const { return route_id_; }
-
   // Identifies the stream for this command buffer.
   int32_t stream_id() const { return stream_id_; }
 
   // Sends a message to the console.
   void SendConsoleMessage(int32_t id, const std::string& message);
 
   void SendCachedShader(const std::string& key, const std::string& shader);
 
   gl::GLSurface* surface() const { return surface_.get(); }
 
@@ skipping 121 matching lines @@
 
   std::unique_ptr<WaitForCommandState> wait_for_token_;
   std::unique_ptr<WaitForCommandState> wait_for_get_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_