Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/geolocation/chrome_access_token_store.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_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_
 #define CHROME_BROWSER_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/access_token_store.h"
 
 class PrefRegistrySimple;
 
 // Creates a new access token store backed by the global chome prefs.
 class ChromeAccessTokenStore : public content::AccessTokenStore {
  public:
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   ChromeAccessTokenStore();
 
-  virtual void LoadAccessTokens(
-      const LoadAccessTokensCallbackType& request) override;
+  void LoadAccessTokens(const LoadAccessTokensCallbackType& request) override;
 
  private:
-  virtual ~ChromeAccessTokenStore();
+  ~ChromeAccessTokenStore() override;
 
   // AccessTokenStore
-  virtual void SaveAccessToken(
-      const GURL& server_url, const base::string16& access_token) override;
+  void SaveAccessToken(const GURL& server_url,
+                       const base::string16& access_token) override;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAccessTokenStore);
 };
 
 #endif  // CHROME_BROWSER_GEOLOCATION_CHROME_ACCESS_TOKEN_STORE_H_