Standardize usage of virtual/override/final in content/

content/shell/geolocation/shell_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 CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
 #define CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/access_token_store.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace content {
 class ShellBrowserContext;
 
 // Dummy access token store used to initialise the network location provider.
 class ShellAccessTokenStore : public content::AccessTokenStore {
  public:
   explicit ShellAccessTokenStore(
       content::ShellBrowserContext* shell_browser_context);
 
  private:
-  virtual ~ShellAccessTokenStore();
+  ~ShellAccessTokenStore() override;
 
   void GetRequestContextOnUIThread(
       content::ShellBrowserContext* shell_browser_context);
   void RespondOnOriginatingThread(const LoadAccessTokensCallbackType& callback);
 
   // AccessTokenStore
-  virtual void LoadAccessTokens(
-      const LoadAccessTokensCallbackType& callback) override;
+  void LoadAccessTokens(const LoadAccessTokensCallbackType& callback) override;
 
-  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;
 
   content::ShellBrowserContext* shell_browser_context_;
   scoped_refptr<net::URLRequestContextGetter> system_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellAccessTokenStore);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_