Add OVERRIDE to webkit/.

webkit/appcache/mock_appcache_service.h

 // Copyright (c) 2009 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_MOCK_APPCACHE_SERVICE_H_
 #define WEBKIT_APPCACHE_MOCK_APPCACHE_SERVICE_H_
 
 #include "base/compiler_specific.h"
 #include "webkit/appcache/appcache_service.h"
 #include "webkit/appcache/mock_appcache_storage.h"
 #include "webkit/quota/quota_manager.h"
 
 namespace appcache {
 
 // For use by unit tests.
 class MockAppCacheService : public AppCacheService {
  public:
   MockAppCacheService()
     : AppCacheService(NULL),
       mock_delete_appcaches_for_origin_result_(net::OK),
       delete_called_count_(0) {
     storage_.reset(new MockAppCacheStorage(this));
   }
 
   // Just returns a canned completion code without actually
   // removing groups and caches in our mock storage instance.
-  virtual void DeleteAppCachesForOrigin(const GURL& origin,
-                                        net::OldCompletionCallback* callback);
+  virtual void DeleteAppCachesForOrigin(
+      const GURL& origin,
+      net::OldCompletionCallback* callback) OVERRIDE;
 
   void set_quota_manager_proxy(quota::QuotaManagerProxy* proxy) {
     quota_manager_proxy_ = proxy;
   }
 
   void set_mock_delete_appcaches_for_origin_result(int rv) {
     mock_delete_appcaches_for_origin_result_ = rv;
   }
 
   int delete_called_count() const { return delete_called_count_; }
  private:
   int mock_delete_appcaches_for_origin_result_;
   int delete_called_count_;
 };
 
 }  // namespace appcache
 
 #endif  // WEBKIT_APPCACHE_MOCK_APPCACHE_SERVICE_H_