Cleanup: rename usage_mask --> usages.

content/child/webcrypto/webcrypto_impl.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_WEBCRYPTO_IMPL_H_
 #define CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
@@ skipping 23 matching lines @@
                        const blink::WebCryptoKey& key,
                        const unsigned char* data,
                        unsigned int data_size,
                        blink::WebCryptoResult result);
   virtual void digest(const blink::WebCryptoAlgorithm& algorithm,
                       const unsigned char* data,
                       unsigned int data_size,
                       blink::WebCryptoResult result);
   virtual void generateKey(const blink::WebCryptoAlgorithm& algorithm,
                            bool extractable,
-                           blink::WebCryptoKeyUsageMask usage_mask,
+                           blink::WebCryptoKeyUsageMask usages,
                            blink::WebCryptoResult result);
   virtual void importKey(blink::WebCryptoKeyFormat format,
                          const unsigned char* key_data,
                          unsigned int key_data_size,
                          const blink::WebCryptoAlgorithm& algorithm,
                          bool extractable,
-                         blink::WebCryptoKeyUsageMask usage_mask,
+                         blink::WebCryptoKeyUsageMask usages,
                          blink::WebCryptoResult result);
   virtual void exportKey(blink::WebCryptoKeyFormat format,
                          const blink::WebCryptoKey& key,
                          blink::WebCryptoResult result);
   virtual void sign(const blink::WebCryptoAlgorithm& algorithm,
                     const blink::WebCryptoKey& key,
                     const unsigned char* data,
                     unsigned int data_size,
                     blink::WebCryptoResult result);
   virtual void verifySignature(const blink::WebCryptoAlgorithm& algorithm,
@@ skipping 40 matching lines @@
   virtual bool serializeKeyForClone(const blink::WebCryptoKey& key,
                                     blink::WebVector<unsigned char>& key_data);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_