Make it so that allow_js_access: false can be used with background pages created by window.open.

chrome/browser/prerender/prerender_contents.cc

 // Copyright (c) 2012 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/prerender/prerender_contents.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/process_util.h"
@@ skipping 136 matching lines @@
   virtual void OnStartDownload(WebContents* source,
                                DownloadItem* download) OVERRIDE {
     // Prerendered pages should never be able to download files.
     NOTREACHED();
   }
 
   virtual bool ShouldCreateWebContents(
       WebContents* web_contents,
       int route_id,
       WindowContainerType window_container_type,
-      const string16& frame_name) OVERRIDE {
+      const string16& frame_name,
+      const GURL& target_url) OVERRIDE {
     // Since we don't want to permit child windows that would have a
     // window.opener property, terminate prerendering.
     prerender_contents_->Destroy(FINAL_STATUS_CREATE_NEW_WINDOW);
     // Cancel the popup.
     return false;
   }
 
   virtual bool OnGoToEntryOffset(int offset) OVERRIDE {
     // This isn't allowed because the history merge operation
     // does not work if there are renderer issued challenges.
@@ skipping 530 matching lines @@
 bool PrerenderContents::IsCrossSiteNavigationPending() const {
   if (!prerender_contents_.get() || !prerender_contents_->web_contents())
     return false;
   const WebContents* web_contents = prerender_contents_->web_contents();
   return (web_contents->GetSiteInstance() !=
           web_contents->GetPendingSiteInstance());
 }
 
 
 }  // namespace prerender