Move dispatching and sending of the last extension specific messages out of TabContents and Rende...

chrome/browser/tab_contents/background_contents.h

Index: chrome/browser/tab_contents/background_contents.h
===================================================================
--- chrome/browser/tab_contents/background_contents.h	(revision 80315)
+++ chrome/browser/tab_contents/background_contents.h	(working copy)
@@ -19,8 +19,9 @@
 #include "webkit/glue/window_open_disposition.h"
 
 class TabContents;
-struct WebPreferences;
 class DesktopNotificationHandler;
+class ExtensionMessageHandler;
+struct WebPreferences;
 
 namespace gfx {
 class Rect;
@@ -68,8 +69,6 @@
   virtual void DidNavigate(RenderViewHost* render_view_host,
                            const ViewHostMsg_FrameNavigate_Params& params);
   virtual WebPreferences GetWebkitPrefs();
-  virtual void ProcessWebUIMessage(
-      const ExtensionHostMsg_DomMessage_Params& params);
   virtual void RunJavaScriptMessage(const std::wstring& message,
                                     const std::wstring& default_prompt,
                                     const GURL& frame_url,
@@ -153,9 +152,6 @@
   BackgroundContents();
 
  private:
-  // Message handlers.
-  void OnPostMessage(int port_id, const std::string& message);
-
   // The delegate for this BackgroundContents.
   Delegate* delegate_;
 
@@ -173,6 +169,9 @@
   // Handles desktop notification IPCs.
   scoped_ptr<DesktopNotificationHandler> desktop_notification_handler_;
 
+  // Handles extension IPCs.
+  scoped_ptr<ExtensionMessageHandler> extension_message_handler_;
+
   DISALLOW_COPY_AND_ASSIGN(BackgroundContents);
 };