Stop using ResourceController in ResourceThrottle

chrome/browser/loader/safe_browsing_resource_throttle.h

 // 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.
 
 #ifndef CHROME_BROWSER_LOADER_SAFE_BROWSING_RESOURCE_THROTTLE_H_
 #define CHROME_BROWSER_LOADER_SAFE_BROWSING_RESOURCE_THROTTLE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 116 matching lines @@
   // StartCheckingUrl()) has taken longer than kCheckUrlTimeoutMs.
   void OnCheckUrlTimeout();
 
   // Starts displaying the safe browsing interstitial page if it's not
   // prerendering. Called on the UI thread.
   static void StartDisplayingBlockingPage(
       const base::WeakPtr<SafeBrowsingResourceThrottle>& throttle,
       scoped_refptr<safe_browsing::SafeBrowsingUIManager> ui_manager,
       const security_interstitials::UnsafeResource& resource);
 
-  // Called on the IO thread if the request turned out to be for a prerendered
-  // page.
-  void Cancel();
-
   // Resumes the request, by continuing the deferred action (either starting the
   // request, or following a redirect).
   void ResumeRequest();
 
   // For marking network events.  |name| and |value| can be null.
   void BeginNetLogEvent(net::NetLogEventType type,
                         const GURL& url,
                         const char* name,
                         const char* value);
   void EndNetLogEvent(net::NetLogEventType type,
@@ skipping 24 matching lines @@
   scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> database_manager_;
   scoped_refptr<safe_browsing::SafeBrowsingUIManager> ui_manager_;
   const net::URLRequest* request_;
   const content::ResourceType resource_type_;
   net::NetLogWithSource net_log_with_source_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingResourceThrottle);
 };
 
 #endif  // CHROME_BROWSER_LOADER_SAFE_BROWSING_RESOURCE_THROTTLE_H_