Add an OVERRIDE to webkit/.

webkit/appcache/appcache_test_helper.h

 // 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.
 
 #ifndef WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_
 #define WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_
 #pragma once
 
 #include <set>
 
@@ skipping 13 matching lines @@
   void AddGroupAndCache(AppCacheService* appcache_service,
                         const GURL& manifest_url);
 
   void GetOriginsWithCaches(AppCacheService* appcache_service,
                             std::set<GURL>* origins);
  private:
   virtual void OnGroupAndNewestCacheStored(
       appcache::AppCacheGroup* group,
       appcache::AppCache* newest_cache,
       bool success,
-      bool would_exceed_quota);
+      bool would_exceed_quota) OVERRIDE;
   void OnGotAppCacheInfo(int rv);
 
   int group_id_;
   int appcache_id_;
   int response_id_;
   net::OldCompletionCallbackImpl<AppCacheTestHelper> appcache_got_info_callback_;
   scoped_refptr<appcache::AppCacheInfoCollection> appcache_info_;
   std::set<GURL>* origins_;  // not owned
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheTestHelper);
 };
 
 }  // namespace appcache
 
 #endif  // WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_