Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/browser/extensions/extension_web_ui.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_web_ui.h"
 
 #include <set>
 #include <vector>
 
 #include "net/base/file_stream.h"
@@ skipping 165 matching lines @@
   ResetExtensionFunctionDispatcher(render_view_host);
   ResetExtensionBookmarkManagerEventRouter();
 }
 
 void ExtensionWebUI::RenderViewReused(RenderViewHost* render_view_host) {
   ResetExtensionFunctionDispatcher(render_view_host);
   ResetExtensionBookmarkManagerEventRouter();
 }
 
 void ExtensionWebUI::ProcessWebUIMessage(
-    const ViewHostMsg_DomMessage_Params& params) {
+    const ExtensionHostMsg_DomMessage_Params& params) {
   extension_function_dispatcher_->HandleRequest(params);
 }
 
 Browser* ExtensionWebUI::GetBrowser() {
   TabContents* contents = tab_contents();
   TabContentsIterator tab_iterator;
   for (; !tab_iterator.done(); ++tab_iterator) {
     if (contents == *tab_iterator)
       return tab_iterator.browser();
   }
@@ skipping 207 matching lines @@
 }
 
 // static
 void ExtensionWebUI::GetFaviconForURL(Profile* profile,
     FaviconService::GetFaviconRequest* request, const GURL& page_url) {
   // tracker deletes itself when done.
   ExtensionWebUIImageLoadingTracker* tracker =
       new ExtensionWebUIImageLoadingTracker(profile, request, page_url);
   tracker->Init();
 }