Prerender: Disable prefetch if there's an appcache.

chrome/browser/prerender/prerender_resource_throttle.h

 // Copyright 2013 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_PRERENDER_PRERENDER_RESOURCE_THROTTLE_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_RESOURCE_THROTTLE_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 55 matching lines @@
       const base::WeakPtr<PrerenderResourceThrottle>& throttle,
       const std::string& follow_only_when_prerender_shown_header,
       content::ResourceType resource_type,
       bool async,
       bool is_no_store,
       const GURL& new_url,
       const content::ResourceRequestInfo::WebContentsGetter&
           web_contents_getter);
 
   static void WillProcessResponseOnUI(
+      const base::WeakPtr<PrerenderResourceThrottle>& throttle,
       bool is_main_resource,
       bool is_no_store,
       int redirect_count,
+      bool has_appcache,
+      const content::ResourceRequestInfo::WebContentsGetter&
+          web_contents_getter,
       scoped_refptr<PrerenderThrottleInfo> prerender_throttle_info);
 
   // Helper to return the PrerenderContents given a WebContentsGetter. May
   // return nullptr if it's gone.
   static PrerenderContents* PrerenderContentsFromGetter(
       const content::ResourceRequestInfo::WebContentsGetter&
           web_contents_getter);
 
   // Sets the prerender mode. Must be called before |ResumeHandler()|.
   void SetPrerenderMode(PrerenderMode mode);
 
   net::URLRequest* request_;
   int load_flags_;  // Load flags to be OR'ed with the existing request flags.
 
   scoped_refptr<PrerenderThrottleInfo> prerender_throttle_info_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderResourceThrottle);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_RESOURCE_THROTTLE_H_