replace OVERRIDE and FINAL with override and final in components/

components/gcm_driver/system_encryptor.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 COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_
 #define COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_
 
 #include "base/compiler_specific.h"
 #include "google_apis/gcm/base/encryptor.h"
 
 namespace gcm {
 
 // Encryptor that uses the Chrome password manager's encryptor.
 class SystemEncryptor : public Encryptor {
  public:
   virtual ~SystemEncryptor();
 
   virtual bool EncryptString(const std::string& plaintext,
-                             std::string* ciphertext) OVERRIDE;
+                             std::string* ciphertext) override;
 
   virtual bool DecryptString(const std::string& ciphertext,
-                             std::string* plaintext) OVERRIDE;
+                             std::string* plaintext) override;
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_SYSTEM_ENCRYPTOR_H_