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

chrome/browser/extensions/api/diagnostics/diagnostics_api.h

 // Copyright 2013 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_DIAGNOSTICS_DIAGNOSTICS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DIAGNOSTICS_DIAGNOSTICS_API_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
 
   DECLARE_EXTENSION_FUNCTION("diagnostics.sendPacket",
                              DIAGNOSTICS_SENDPACKET);
 
   DiagnosticsSendPacketFunction();
 
  protected:
   virtual ~DiagnosticsSendPacketFunction();
 
   // AsyncApiFunction:
-  virtual bool Prepare() OVERRIDE;
+  virtual bool Prepare() override;
   // This methods will be implemented differently on different platforms.
-  virtual void AsyncWorkStart() OVERRIDE;
-  virtual bool Respond() OVERRIDE;
+  virtual void AsyncWorkStart() override;
+  virtual bool Respond() override;
 
  private:
   void SendPingPacket();
   void OnCompleted(SendPacketResultCode result_code,
                    const std::string& ip,
                    double latency);
 
   scoped_ptr<extensions::api::diagnostics::SendPacket::Params>
       parameters_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DIAGNOSTICS_DIAGNOSTICS_API_H_