Cleanup: rename usage_mask --> usages.

content/child/webcrypto/algorithm_dispatch.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_
 #define CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 27 matching lines @@
                               const blink::WebCryptoKey& key,
                               const CryptoData& data,
                               std::vector<uint8_t>* buffer);
 
 CONTENT_EXPORT Status Digest(const blink::WebCryptoAlgorithm& algorithm,
                              const CryptoData& data,
                              std::vector<uint8_t>* buffer);
 
 CONTENT_EXPORT Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
                                   bool extractable,
-                                  blink::WebCryptoKeyUsageMask usage_mask,
+                                  blink::WebCryptoKeyUsageMask usages,
                                   GenerateKeyResult* result);
 
 CONTENT_EXPORT Status ImportKey(blink::WebCryptoKeyFormat format,
                                 const CryptoData& key_data,
                                 const blink::WebCryptoAlgorithm& algorithm,
                                 bool extractable,
-                                blink::WebCryptoKeyUsageMask usage_mask,
+                                blink::WebCryptoKeyUsageMask usages,
                                 blink::WebCryptoKey* key);
 
 CONTENT_EXPORT Status ExportKey(blink::WebCryptoKeyFormat format,
                                 const blink::WebCryptoKey& key,
                                 std::vector<uint8_t>* buffer);
 
 CONTENT_EXPORT Status Sign(const blink::WebCryptoAlgorithm& algorithm,
                            const blink::WebCryptoKey& key,
                            const CryptoData& data,
                            std::vector<uint8_t>* buffer);
@@ skipping 11 matching lines @@
             const blink::WebCryptoAlgorithm& wrapping_algorithm,
             std::vector<uint8_t>* buffer);
 
 CONTENT_EXPORT Status
     UnwrapKey(blink::WebCryptoKeyFormat format,
               const CryptoData& wrapped_key_data,
               const blink::WebCryptoKey& wrapping_key,
               const blink::WebCryptoAlgorithm& wrapping_algorithm,
               const blink::WebCryptoAlgorithm& algorithm,
               bool extractable,
-              blink::WebCryptoKeyUsageMask usage_mask,
+              blink::WebCryptoKeyUsageMask usages,
               blink::WebCryptoKey* key);
 
 CONTENT_EXPORT scoped_ptr<blink::WebCryptoDigestor> CreateDigestor(
     blink::WebCryptoAlgorithmId algorithm);
 
 }  // namespace webcrypto
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_