Mojo: Implement support for |Foo&| mojom syntax

mojo/cc/context_provider_mojo.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_CC_CONTEXT_PROVIDER_MOJO_H_
 #define MOJO_CC_CONTEXT_PROVIDER_MOJO_H_
 
 #include "cc/output/context_provider.h"
 #include "mojo/public/c/gles2/gles2.h"
 #include "mojo/public/cpp/system/core.h"
 
 namespace mojo {
 
 class ContextProviderMojo : public cc::ContextProvider {
  public:
-  explicit ContextProviderMojo(ScopedMessagePipeHandle gl_pipe);
+  explicit ContextProviderMojo(ScopedMessagePipeHandle command_buffer_handle);
 
   // cc::ContextProvider implementation.
   virtual bool BindToCurrentThread() OVERRIDE;
   virtual gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
   virtual gpu::ContextSupport* ContextSupport() OVERRIDE;
   virtual class GrContext* GrContext() OVERRIDE;
   virtual Capabilities ContextCapabilities() OVERRIDE;
   virtual bool IsContextLost() OVERRIDE;
   virtual void VerifyContexts() OVERRIDE {}
   virtual void DeleteCachedResources() OVERRIDE {}
   virtual bool DestroyedOnMainThread() OVERRIDE;
   virtual void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) OVERRIDE {}
   virtual void SetMemoryPolicyChangedCallback(
       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
       OVERRIDE {}
 
  protected:
   friend class base::RefCountedThreadSafe<ContextProviderMojo>;
   virtual ~ContextProviderMojo();
 
  private:
   static void ContextLostThunk(void* closure) {
     static_cast<ContextProviderMojo*>(closure)->ContextLost();
   }
   void ContextLost();
 
   cc::ContextProvider::Capabilities capabilities_;
-  ScopedMessagePipeHandle gl_pipe_;
+  ScopedMessagePipeHandle command_buffer_handle_;
   MojoGLES2Context context_;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_CC_CONTEXT_PROVIDER_MOJO_H_