Mojo: Implement support for |Foo&| mojom syntax

mojo/examples/pepper_container_app/pepper_container_app.cc

 // 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.
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "build/build_config.h"
 #include "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
@@ skipping 67 matching lines @@
     if (!event->location.is_null()) {
       ppapi::ProxyAutoLock lock;
 
       // TODO(yzshen): Handle events.
     }
     callback.Run();
   }
 
   // MojoPpapiGlobals::Delegate implementation.
   virtual ScopedMessagePipeHandle CreateGLES2Context() OVERRIDE {
-    MessagePipe gles2_pipe;
-    viewport_->CreateGLES2Context(gles2_pipe.handle1.Pass());
-    return gles2_pipe.handle0.Pass();
+    CommandBufferPtr command_buffer;
+    viewport_->CreateGLES2Context(Get(&command_buffer));
+    return command_buffer.PassMessagePipe();
   }
 
  private:
   MojoPpapiGlobals ppapi_globals_;
 
   NativeViewportPtr viewport_;
   scoped_refptr<PluginModule> plugin_module_;
   scoped_ptr<PluginInstance> plugin_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperContainerApp);
 };
 
 }  // namespace examples
 
 // static
 Application* Application::Create() {
   return new examples::PepperContainerApp();
 }
 
 }  // namespace mojo