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

chrome/browser/extensions/api/messaging/native_message_port.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_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
 
 #include "chrome/browser/extensions/api/messaging/message_service.h"
 
 namespace extensions {
 class NativeMessageProcessHost;
 
 // A port that manages communication with a native application.
 class NativeMessagePort : public MessageService::MessagePort {
  public:
   // Takes ownership of |native_process|.
   explicit NativeMessagePort(NativeMessageProcessHost* native_process);
   virtual ~NativeMessagePort();
   virtual void DispatchOnMessage(const Message& message,
-                                 int target_port_id) OVERRIDE;
+                                 int target_port_id) override;
 
  private:
   NativeMessageProcessHost* native_process_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_