Cleanup: rename usage_mask --> usages.

content/child/webcrypto/openssl/hmac_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 <openssl/hmac.h>
 
 #include "base/logging.h"
 #include "base/numerics/safe_math.h"
 #include "base/stl_util.h"
 #include "content/child/webcrypto/algorithm_implementation.h"
@@ skipping 54 matching lines @@
 
   return Status::Success();
 }
 
 class HmacImplementation : public AlgorithmImplementation {
  public:
   HmacImplementation() {}
 
   Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
                      bool extractable,
-                     blink::WebCryptoKeyUsageMask usage_mask,
+                     blink::WebCryptoKeyUsageMask usages,
                      GenerateKeyResult* result) const override {
-    Status status = CheckKeyCreationUsages(kAllKeyUsages, usage_mask);
+    Status status = CheckKeyCreationUsages(kAllKeyUsages, usages);
     if (status.IsError())
       return status;
 
     const blink::WebCryptoHmacKeyGenParams* params =
         algorithm.hmacKeyGenParams();
 
     unsigned int keylen_bits = 0;
     status = GetHmacKeyGenLengthInBits(params, &keylen_bits);
     if (status.IsError())
       return status;
 
     return GenerateSecretKeyOpenSsl(blink::WebCryptoKeyAlgorithm::createHmac(
                                         params->hash().id(), keylen_bits),
                                     extractable,
-                                    usage_mask,
+                                    usages,
                                     keylen_bits / 8,
                                     result);
   }
 
   Status VerifyKeyUsagesBeforeImportKey(
       blink::WebCryptoKeyFormat format,
-      blink::WebCryptoKeyUsageMask usage_mask) const override {
+      blink::WebCryptoKeyUsageMask usages) const override {
     switch (format) {
       case blink::WebCryptoKeyFormatRaw:
       case blink::WebCryptoKeyFormatJwk:
-        return CheckKeyCreationUsages(kAllKeyUsages, usage_mask);
+        return CheckKeyCreationUsages(kAllKeyUsages, usages);
       default:
         return Status::ErrorUnsupportedImportKeyFormat();
     }
   }
 
   Status ImportKeyRaw(const CryptoData& key_data,
                       const blink::WebCryptoAlgorithm& algorithm,
                       bool extractable,
-                      blink::WebCryptoKeyUsageMask usage_mask,
+                      blink::WebCryptoKeyUsageMask usages,
                       blink::WebCryptoKey* key) const override {
     const blink::WebCryptoAlgorithm& hash =
         algorithm.hmacImportParams()->hash();
 
     base::CheckedNumeric<unsigned int> keylen_bits(key_data.byte_length());
     keylen_bits *= 8;
 
     if (!keylen_bits.IsValid())
       return Status::ErrorDataTooLarge();
 
     return ImportKeyRawOpenSsl(key_data,
                                blink::WebCryptoKeyAlgorithm::createHmac(
                                    hash.id(), keylen_bits.ValueOrDie()),
                                extractable,
-                               usage_mask,
+                               usages,
                                key);
   }
 
   Status ImportKeyJwk(const CryptoData& key_data,
                       const blink::WebCryptoAlgorithm& algorithm,
                       bool extractable,
-                      blink::WebCryptoKeyUsageMask usage_mask,
+                      blink::WebCryptoKeyUsageMask usages,
                       blink::WebCryptoKey* key) const override {
     const char* algorithm_name =
         GetJwkHmacAlgorithmName(algorithm.hmacImportParams()->hash().id());
     if (!algorithm_name)
       return Status::ErrorUnexpected();
 
     std::vector<uint8_t> raw_data;
     Status status = ReadSecretKeyJwk(
-        key_data, algorithm_name, extractable, usage_mask, &raw_data);
+        key_data, algorithm_name, extractable, usages, &raw_data);
     if (status.IsError())
       return status;
 
     return ImportKeyRaw(
-        CryptoData(raw_data), algorithm, extractable, usage_mask, key);
+        CryptoData(raw_data), algorithm, extractable, usages, key);
   }
 
   Status ExportKeyRaw(const blink::WebCryptoKey& key,
                       std::vector<uint8_t>* buffer) const override {
     *buffer = SymKeyOpenSsl::Cast(key)->raw_key_data();
     return Status::Success();
   }
 
   Status ExportKeyJwk(const blink::WebCryptoKey& key,
                       std::vector<uint8_t>* buffer) const override {
@@ skipping 48 matching lines @@
 
 }  // namespace
 
 AlgorithmImplementation* CreatePlatformHmacImplementation() {
   return new HmacImplementation;
 }
 
 }  // namespace webcrypto
 
 }  // namespace content