Standardize usage of virtual/override/final in content/

content/child/webcrypto/openssl/hmac_openssl.cc

Index: content/child/webcrypto/openssl/hmac_openssl.cc
diff --git a/content/child/webcrypto/openssl/hmac_openssl.cc b/content/child/webcrypto/openssl/hmac_openssl.cc
index f618501c02b7cbecacf676bb4cb9fde31d0d1ac7..946a2bc7d1f2a7d66c6cfca2121d58f387d57e6b 100644
--- a/content/child/webcrypto/openssl/hmac_openssl.cc
+++ b/content/child/webcrypto/openssl/hmac_openssl.cc
@@ -70,10 +70,10 @@ class HmacImplementation : public AlgorithmImplementation {
  public:
   HmacImplementation() {}
 
-  virtual Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
-                             bool extractable,
-                             blink::WebCryptoKeyUsageMask usage_mask,
-                             GenerateKeyResult* result) const override {
+  Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
+                     bool extractable,
+                     blink::WebCryptoKeyUsageMask usage_mask,
+                     GenerateKeyResult* result) const override {
     Status status = CheckKeyCreationUsages(kAllKeyUsages, usage_mask);
     if (status.IsError())
       return status;
@@ -94,7 +94,7 @@ class HmacImplementation : public AlgorithmImplementation {
                                     result);
   }
 
-  virtual Status VerifyKeyUsagesBeforeImportKey(
+  Status VerifyKeyUsagesBeforeImportKey(
       blink::WebCryptoKeyFormat format,
       blink::WebCryptoKeyUsageMask usage_mask) const override {
     switch (format) {
@@ -106,11 +106,11 @@ class HmacImplementation : public AlgorithmImplementation {
     }
   }
 
-  virtual Status ImportKeyRaw(const CryptoData& key_data,
-                              const blink::WebCryptoAlgorithm& algorithm,
-                              bool extractable,
-                              blink::WebCryptoKeyUsageMask usage_mask,
-                              blink::WebCryptoKey* key) const override {
+  Status ImportKeyRaw(const CryptoData& key_data,
+                      const blink::WebCryptoAlgorithm& algorithm,
+                      bool extractable,
+                      blink::WebCryptoKeyUsageMask usage_mask,
+                      blink::WebCryptoKey* key) const override {
     const blink::WebCryptoAlgorithm& hash =
         algorithm.hmacImportParams()->hash();
 
@@ -128,11 +128,11 @@ class HmacImplementation : public AlgorithmImplementation {
                                key);
   }
 
-  virtual Status ImportKeyJwk(const CryptoData& key_data,
-                              const blink::WebCryptoAlgorithm& algorithm,
-                              bool extractable,
-                              blink::WebCryptoKeyUsageMask usage_mask,
-                              blink::WebCryptoKey* key) const override {
+  Status ImportKeyJwk(const CryptoData& key_data,
+                      const blink::WebCryptoAlgorithm& algorithm,
+                      bool extractable,
+                      blink::WebCryptoKeyUsageMask usage_mask,
+                      blink::WebCryptoKey* key) const override {
     const char* algorithm_name =
         GetJwkHmacAlgorithmName(algorithm.hmacImportParams()->hash().id());
     if (!algorithm_name)
@@ -148,14 +148,14 @@ class HmacImplementation : public AlgorithmImplementation {
         CryptoData(raw_data), algorithm, extractable, usage_mask, key);
   }
 
-  virtual Status ExportKeyRaw(const blink::WebCryptoKey& key,
-                              std::vector<uint8_t>* buffer) const override {
+  Status ExportKeyRaw(const blink::WebCryptoKey& key,
+                      std::vector<uint8_t>* buffer) const override {
     *buffer = SymKeyOpenSsl::Cast(key)->raw_key_data();
     return Status::Success();
   }
 
-  virtual Status ExportKeyJwk(const blink::WebCryptoKey& key,
-                              std::vector<uint8_t>* buffer) const override {
+  Status ExportKeyJwk(const blink::WebCryptoKey& key,
+                      std::vector<uint8_t>* buffer) const override {
     SymKeyOpenSsl* sym_key = SymKeyOpenSsl::Cast(key);
     const std::vector<uint8_t>& raw_data = sym_key->raw_key_data();
 
@@ -173,10 +173,10 @@ class HmacImplementation : public AlgorithmImplementation {
     return Status::Success();
   }
 
-  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 {
     const blink::WebCryptoAlgorithm& hash =
         key.algorithm().hmacParams()->hash();
 
@@ -184,11 +184,11 @@ class HmacImplementation : public AlgorithmImplementation {
         SymKeyOpenSsl::Cast(key)->raw_key_data(), hash, 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 {
     std::vector<uint8_t> result;
     Status status = Sign(algorithm, key, data, &result);