replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/login/auth/auth_prewarmer.h

 // Copyright 2014 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_CHROMEOS_LOGIN_AUTH_AUTH_PREWARMER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_PREWARMER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "chromeos/network/network_state_handler_observer.h"
@@ skipping 12 matching lines @@
 class AuthPrewarmer : public NetworkStateHandlerObserver,
                       public content::NotificationObserver {
  public:
   AuthPrewarmer();
   virtual ~AuthPrewarmer();
 
   void PrewarmAuthentication(const base::Closure& completion_callback);
 
  private:
   // chromeos::NetworkStateHandlerObserver overrides.
-  virtual void DefaultNetworkChanged(const NetworkState* network) OVERRIDE;
+  virtual void DefaultNetworkChanged(const NetworkState* network) override;
 
   // content::NotificationObserver overrides.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   bool IsNetworkConnected() const;
   net::URLRequestContextGetter* GetRequestContext() const;
   void DoPrewarm();
 
   content::NotificationRegistrar registrar_;
   base::Closure completion_callback_;
   bool doing_prewarm_;
 
   DISALLOW_COPY_AND_ASSIGN(AuthPrewarmer);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_PREWARMER_H_