Mojo: more idiomatic C++ bindings

mojo/gles2/command_buffer_client_impl.h

 // Copyright 2014 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 MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
 #define MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
 
 #include <map>
 
 #include "base/macros.h"
@@ skipping 64 matching lines @@
       OVERRIDE;
   virtual void Echo(const base::Closure& callback) OVERRIDE;
   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
 
   void RequestAnimationFrames();
   void CancelAnimationFrames();
 
  private:
   // CommandBufferClient implementation:
   virtual void DidInitialize(bool success) OVERRIDE;
-  virtual void DidMakeProgress(const CommandBufferState& state) OVERRIDE;
+  virtual void DidMakeProgress(CommandBufferStatePtr state) OVERRIDE;
   virtual void DidDestroy() OVERRIDE;
   virtual void LostContext(int32_t lost_reason) OVERRIDE;
 
   // ErrorHandler implementation:
   virtual void OnConnectionError() OVERRIDE;
 
   virtual void DrawAnimationFrame() OVERRIDE;
 
   void TryUpdateState();
   void MakeProgressAndUpdateState();
@@ skipping 11 matching lines @@
   int32 next_transfer_buffer_id_;
 
   bool initialize_result_;
   MojoAsyncWaiter* async_waiter_;
 };
 
 }  // gles2
 }  // mojo
 
 #endif  // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_