Cleanup: rename usage_mask --> usages.

content/child/webcrypto/structured_clone.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/structured_clone.h"
 
 #include "base/logging.h"
 #include "content/child/webcrypto/algorithm_dispatch.h"
 #include "content/child/webcrypto/platform_crypto.h"
 #include "content/child/webcrypto/status.h"
@@ skipping 91 matching lines @@
 // Note that this function is called from the target Blink thread.
 bool SerializeKeyForClone(const blink::WebCryptoKey& key,
                           blink::WebVector<uint8_t>* key_data) {
   return PlatformSerializeKeyForClone(key, key_data);
 }
 
 // Note that this function is called from the target Blink thread.
 bool DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
                             blink::WebCryptoKeyType type,
                             bool extractable,
-                            blink::WebCryptoKeyUsageMask usage_mask,
+                            blink::WebCryptoKeyUsageMask usages,
                             const CryptoData& key_data,
                             blink::WebCryptoKey* key) {
   // TODO(eroman): This should not call into the platform crypto layer.
   // Otherwise it runs the risk of stalling while the NSS/OpenSSL global locks
   // are held.
   //
   // An alternate approach is to defer the key import until the key is used.
   // However this means that any deserialization errors would have to be
   // surfaced as WebCrypto errors, leading to slightly different behaviors. For
   // instance you could clone a key which fails to be deserialized.
   Status status = ImportKey(GetCloneFormatForKeyType(type),
                             key_data,
                             KeyAlgorithmToImportAlgorithm(algorithm),
                             extractable,
-                            usage_mask,
+                            usages,
                             key);
   if (status.IsError())
     return false;
   return ValidateDeserializedKey(*key, algorithm, type);
 }
 
 }  // namespace webcrypto
 
 }  // namespace content