Add mouse input forwarding to gpu service

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 610 matching lines @@
   void RestoreTextureState(unsigned service_id) const override;
 
   void ClearAllAttributes() const override;
   void RestoreAllAttributes() const override;
 
   QueryManager* GetQueryManager() override { return query_manager_.get(); }
   VertexArrayManager* GetVertexArrayManager() override {
     return vertex_array_manager_.get();
   }
   ImageManager* GetImageManager() override { return image_manager_.get(); }
+  ValuebufferManager* GetValuebufferManager() override {
+    return valuebuffer_manager();
+  }
   bool ProcessPendingQueries() override;
   bool HasMoreIdleWork() override;
   void PerformIdleWork() override;
 
   void WaitForReadPixels(base::Closure callback) override;
 
   void SetResizeCallback(
       const base::Callback<void(gfx::Size, float)>& callback) override;
 
   Logger* GetLogger() override;
@@ skipping 10820 matching lines @@
   }
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu