Impl mus::mojom::GpuService to enable using Chrome IPC version gpu CmdBuf in mus

components/mus/public/cpp/gles2_context.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 COMPONENTS_MUS_PUBLIC_CPP_GLES2_CONTEXT_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_GLES2_CONTEXT_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "components/mus/public/cpp/lib/command_buffer_client_impl.h"
+#include "components/mus/public/cpp/mus_public_export.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "mojo/public/c/gles2/gles2.h"
+#include "mojo/public/cpp/bindings/binding.h"
 
 struct MojoGLES2ContextPrivate {};
 
 namespace gpu {
+class CommandBufferProxyImpl;
 class TransferBuffer;
 namespace gles2 {
 class GLES2CmdHelper;
-class GLES2Implementation;
 }
 }
 
 namespace mus {
 
-class GLES2Context : public MojoGLES2ContextPrivate {
+class CommandBufferClientImpl;
+
+class MUS_PUBLIC_EXPORT GLES2Context : public MojoGLES2ContextPrivate {
  public:
   explicit GLES2Context(const std::vector<int32_t>& attribs,
                         mojo::ScopedMessagePipeHandle command_buffer_handle,
                         MojoGLES2ContextLost lost_callback,
                         void* closure);
   virtual ~GLES2Context();
   bool Initialize();
 
   gpu::gles2::GLES2Interface* interface() const {
     return implementation_.get();
   }
   gpu::ContextSupport* context_support() const { return implementation_.get(); }
 
  private:
   void OnLostContext();
 
-  CommandBufferClientImpl command_buffer_;
+  std::unique_ptr<CommandBufferClientImpl> command_buffer_client_impl_;
+  std::unique_ptr<gpu::CommandBufferProxyImpl> command_buffer_proxy_impl_;
   std::unique_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
   std::unique_ptr<gpu::TransferBuffer> transfer_buffer_;
   std::unique_ptr<gpu::gles2::GLES2Implementation> implementation_;
   MojoGLES2ContextLost lost_callback_;
   void* closure_;
 
   DISALLOW_COPY_AND_ASSIGN(GLES2Context);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_GLES2_CONTEXT_H_