Implement delete methods for the various CannedBrowsingDataHelpers.

chrome/browser/browsing_data/browsing_data_appcache_helper.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_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/completion_callback.h"
@@ skipping 63 matching lines @@
   bool empty() const;
 
   // Returns the number of app cache resources.
   size_t GetAppCacheCount() const;
 
   // Returns a current map with the |AppCacheInfoVector|s per origin.
   const OriginAppCacheInfoMap& GetOriginAppCacheInfoMap() const;
 
   // BrowsingDataAppCacheHelper methods.
   virtual void StartFetching(const base::Closure& completion_callback) OVERRIDE;
+  virtual void DeleteAppCacheGroup(const GURL& manifest_url) OVERRIDE;
 
  private:
   virtual ~CannedBrowsingDataAppCacheHelper();
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataAppCacheHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_