Add OVERRIDE to chrome/browser/.

chrome/browser/geolocation/chrome_access_token_store.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 CHROME_BROWSER_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_
 #define CHROME_BROWSER_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "content/browser/geolocation/access_token_store.h"
 
 class PrefService;
 
 // Creates a new access token store backed by the global chome prefs.
 class ChromeAccessTokenStore : public AccessTokenStore {
  public:
   static void RegisterPrefs(PrefService* prefs);
 
   ChromeAccessTokenStore();
 
  private:
   void LoadDictionaryStoreInUIThread(
       scoped_refptr<CancelableRequest<LoadAccessTokensCallbackType> > request);
 
   // AccessTokenStore
   virtual void DoLoadAccessTokens(
-      scoped_refptr<CancelableRequest<LoadAccessTokensCallbackType> > request);
+      scoped_refptr<CancelableRequest<LoadAccessTokensCallbackType> > request)
+          OVERRIDE;
   virtual void SaveAccessToken(
-      const GURL& server_url, const string16& access_token);
+      const GURL& server_url, const string16& access_token) OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAccessTokenStore);
 };
 
 #endif  // CHROME_BROWSER_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_