Componentize html_viewer's MessagePort

components/message_port/web_message_port_channel_impl.h

 // Copyright 2015 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_HTML_VIEWER_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_
-#define COMPONENTS_HTML_VIEWER_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_
+#ifndef COMPONENTS_MESSAGE_PORT_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_
+#define COMPONENTS_MESSAGE_PORT_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_
 
 #include "base/basictypes.h"
 #include "mojo/common/handle_watcher.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 #include "third_party/mojo/src/mojo/public/cpp/system/message_pipe.h"
 
-namespace html_viewer {
+namespace message_port {
 
 class WebMessagePortChannelImpl : public blink::WebMessagePortChannel {
  public:
   static void CreatePair(
       blink::WebMessagePortChannel** channel1,
       blink::WebMessagePortChannel** channel2);
 
  private:
   explicit WebMessagePortChannelImpl(mojo::ScopedMessagePipeHandle pipe);
   virtual ~WebMessagePortChannelImpl();
 
   // blink::WebMessagePortChannel implementation.
   virtual void setClient(blink::WebMessagePortChannelClient* client);
   virtual void destroy();
   virtual void postMessage(const blink::WebString& message,
                            blink::WebMessagePortChannelArray* channels);
   virtual bool tryGetMessage(blink::WebString* message,
                              blink::WebMessagePortChannelArray& channels);
 
   void WaitForNextMessage();
   void OnMessageAvailable(MojoResult result);
 
   blink::WebMessagePortChannelClient* client_;
   mojo::ScopedMessagePipeHandle pipe_;
   mojo::common::HandleWatcher handle_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMessagePortChannelImpl);
 };
 
-}  // namespace html_viewer
+}  // namespace message_port
 
-#endif  // COMPONENTS_HTML_VIEWER_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_
+#endif  // COMPONENTS_MESSAGE_PORT_WEB_MESSAGE_PORT_CHANNEL_IMPL_H_