Make MediaInternalsUI talk to MediaInternals.

chrome/browser/ui/webui/media_internals_ui.h

Index: chrome/browser/ui/webui/media_internals_ui.h
diff --git a/chrome/browser/ui/webui/media_internals_ui.h b/chrome/browser/ui/webui/media_internals_ui.h
index ea5eeaddb3d6fabd08fb0b803665133d739c863c..cc7d1cbe553e9f41346a0a112427ca9bae0f080d 100644
--- a/chrome/browser/ui/webui/media_internals_ui.h
+++ b/chrome/browser/ui/webui/media_internals_ui.h
@@ -8,12 +8,23 @@
 
 #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);
 };