Make MediaInternalsUI talk to MediaInternals.

chrome/browser/ui/webui/media_internals_ui.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_MEDIA_INTERNALS_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_MEDIA_INTERNALS_UI_H_
 #pragma once
 
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 
+class MediaInternalsProxy;
+
 // The implementation for the chrome://media-internals page.
 class MediaInternalsUI : public ChromeWebUI {
  public:
   explicit MediaInternalsUI(TabContents* contents);
+  virtual ~MediaInternalsUI();
+
+  virtual void OnWebUISend(const GURL& source_url,
+                           const std::string& name,
+                           const ListValue& args) OVERRIDE;
+
+  virtual void OnUpdate(const string16& update);
 
  private:
+  scoped_refptr<MediaInternalsProxy> proxy_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaInternalsUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_INTERNALS_UI_H_