Standardize usage of virtual/override/final in content/

content/child/webcrypto/openssl/rsa_pss_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 "content/child/webcrypto/openssl/rsa_key_openssl.h"
 #include "content/child/webcrypto/openssl/rsa_sign_openssl.h"
 #include "content/child/webcrypto/status.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 
 namespace content {
 
 namespace webcrypto {
 
 namespace {
 
 class RsaPssImplementation : public RsaHashedAlgorithm {
  public:
   RsaPssImplementation()
       : RsaHashedAlgorithm(blink::WebCryptoKeyUsageVerify,
                            blink::WebCryptoKeyUsageSign) {}
 
-  virtual const char* GetJwkAlgorithm(
+  const char* GetJwkAlgorithm(
       const blink::WebCryptoAlgorithmId hash) const override {
     switch (hash) {
       case blink::WebCryptoAlgorithmIdSha1:
         return "PS1";
       case blink::WebCryptoAlgorithmIdSha256:
         return "PS256";
       case blink::WebCryptoAlgorithmIdSha384:
         return "PS384";
       case blink::WebCryptoAlgorithmIdSha512:
         return "PS512";
       default:
         return NULL;
     }
   }
 
-  virtual Status Sign(const blink::WebCryptoAlgorithm& algorithm,
-                      const blink::WebCryptoKey& key,
-                      const CryptoData& data,
-                      std::vector<uint8_t>* buffer) const override {
+  Status Sign(const blink::WebCryptoAlgorithm& algorithm,
+              const blink::WebCryptoKey& key,
+              const CryptoData& data,
+              std::vector<uint8_t>* buffer) const override {
     return RsaSign(
         key, algorithm.rsaPssParams()->saltLengthBytes(), data, buffer);
   }
 
-  virtual Status Verify(const blink::WebCryptoAlgorithm& algorithm,
-                        const blink::WebCryptoKey& key,
-                        const CryptoData& signature,
-                        const CryptoData& data,
-                        bool* signature_match) const override {
+  Status Verify(const blink::WebCryptoAlgorithm& algorithm,
+                const blink::WebCryptoKey& key,
+                const CryptoData& signature,
+                const CryptoData& data,
+                bool* signature_match) const override {
     return RsaVerify(key,
                      algorithm.rsaPssParams()->saltLengthBytes(),
                      signature,
                      data,
                      signature_match);
   }
 };
 
 }  // namespace
 
 AlgorithmImplementation* CreatePlatformRsaPssImplementation() {
   return new RsaPssImplementation;
 }
 
 }  // namespace webcrypto
 
 }  // namespace content