replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/services/gcm/chromeos_gcm_connection_observer.h

 // Copyright (c) 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_SERVICES_GCM_CHROMEOS_GCM_CONNECTION_OBSERVER_H_
 #define CHROME_BROWSER_SERVICES_GCM_CHROMEOS_GCM_CONNECTION_OBSERVER_H_
 
 #include "base/compiler_specific.h"
 #include "components/gcm_driver/gcm_connection_observer.h"
 #include "net/base/ip_endpoint.h"
 
 namespace gcm {
 
 class ChromeOSGCMConnectionObserver : public GCMConnectionObserver {
  public:
   ChromeOSGCMConnectionObserver();
   virtual ~ChromeOSGCMConnectionObserver();
   // gcm::GCMConnectionObserver implementation:
-  virtual void OnConnected(const net::IPEndPoint& ip_endpoint) OVERRIDE;
-  virtual void OnDisconnected() OVERRIDE;
+  virtual void OnConnected(const net::IPEndPoint& ip_endpoint) override;
+  virtual void OnDisconnected() override;
 
   static void ErrorCallback(
       const std::string& error_name,
       const std::string& error);
 
  private:
   net::IPEndPoint ip_endpoint_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeOSGCMConnectionObserver);
 };
 
 }  // namespace gcm
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_CHROMEOS_GCM_CONNECTION_OBSERVER_H_