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

chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_mac.cc

 // 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.
 
 #include "chrome/browser/extensions/api/networking_private/networking_private_credentials_getter.h"
 
 #include <Security/Security.h>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "chrome/common/extensions/api/networking_private/networking_private_crypto.h"
 #include "content/public/browser/browser_thread.h"
 
 const char kErrorEncryption[] = "Error.Encryption";
 
 using content::BrowserThread;
 
 namespace extensions {
 
 class NetworkingPrivateCredentialsGetterMac
     : public NetworkingPrivateCredentialsGetter {
  public:
   explicit NetworkingPrivateCredentialsGetterMac();
 
   virtual void Start(
       const std::string& network_guid,
       const std::string& public_key,
       const extensions::NetworkingPrivateServiceClient::CryptoVerify::
-          VerifyAndEncryptCredentialsCallback& callback) OVERRIDE;
+          VerifyAndEncryptCredentialsCallback& callback) override;
 
  private:
   virtual ~NetworkingPrivateCredentialsGetterMac();
 
   DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateCredentialsGetterMac);
 };
 
 NetworkingPrivateCredentialsGetterMac::NetworkingPrivateCredentialsGetterMac() {
 }
 
@@ skipping 29 matching lines @@
                      &base64_encoded_ciphertext);
   callback.Run(base64_encoded_ciphertext, "");
 }
 
 NetworkingPrivateCredentialsGetter*
 NetworkingPrivateCredentialsGetter::Create() {
   return new NetworkingPrivateCredentialsGetterMac();
 }
 
 }  // namespace extensions