replace OVERRIDE and FINAL with override and final in net/

net/quic/crypto/proof_source_chromium.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 NET_QUIC_CRYPTO_PROOF_SOURCE_CHROMIUM_H_
 #define NET_QUIC_CRYPTO_PROOF_SOURCE_CHROMIUM_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "net/base/net_export.h"
 #include "net/quic/crypto/proof_source.h"
 
 namespace net {
 
 // ProofSourceChromium implements the QUIC ProofSource interface.
 // TODO(rtenneti): implement details of this class.
 class NET_EXPORT_PRIVATE ProofSourceChromium : public ProofSource {
  public:
   ProofSourceChromium();
   virtual ~ProofSourceChromium() {}
 
   // ProofSource interface
   virtual bool GetProof(const std::string& hostname,
                         const std::string& server_config,
                         bool ecdsa_ok,
                         const std::vector<std::string>** out_certs,
-                        std::string* out_signature) OVERRIDE;
+                        std::string* out_signature) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ProofSourceChromium);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_PROOF_SOURCE_CHROMIUM_H_