Standardize usage of virtual/override/final in content/

content/child/webcrypto/openssl/aes_gcm_openssl.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 <vector>
 #include <openssl/evp.h>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "content/child/webcrypto/crypto_data.h"
@@ skipping 44 matching lines @@
                             CryptoData(params->iv()),
                             CryptoData(params->optionalAdditionalData()),
                             GetAesGcmAlgorithmFromKeySize(raw_key.size()),
                             buffer);
 }
 
 class AesGcmImplementation : public AesAlgorithm {
  public:
   AesGcmImplementation() : AesAlgorithm("GCM") {}
 
-  virtual Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
-                         const blink::WebCryptoKey& key,
-                         const CryptoData& data,
-                         std::vector<uint8_t>* buffer) const override {
+  Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
+                 const blink::WebCryptoKey& key,
+                 const CryptoData& data,
+                 std::vector<uint8_t>* buffer) const override {
     return AesGcmEncryptDecrypt(ENCRYPT, algorithm, key, data, buffer);
   }
 
-  virtual Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
-                         const blink::WebCryptoKey& key,
-                         const CryptoData& data,
-                         std::vector<uint8_t>* buffer) const override {
+  Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
+                 const blink::WebCryptoKey& key,
+                 const CryptoData& data,
+                 std::vector<uint8_t>* buffer) const override {
     return AesGcmEncryptDecrypt(DECRYPT, algorithm, key, data, buffer);
   }
 };
 
 }  // namespace
 
 AlgorithmImplementation* CreatePlatformAesGcmImplementation() {
   return new AesGcmImplementation;
 }
 
 }  // namespace webcrypto
 
 }  // namespace content