[refactor] More post-NSS WebCrypto cleanups (utility functions).

components/webcrypto/webcrypto.gyp

 # Copyright 2015 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.
 
 {
   'targets': [
     {
       'target_name': 'webcrypto',
       'type': 'static_library',
       'dependencies': [
@@ skipping 25 matching lines @@
         'algorithms/hkdf.cc',
         'algorithms/hmac.cc',
         'algorithms/pbkdf2.cc',
         'algorithms/rsa.cc',
         'algorithms/rsa.h',
         'algorithms/rsa_oaep.cc',
         'algorithms/rsa_pss.cc',
         'algorithms/rsa_sign.cc',
         'algorithms/rsa_sign.h',
         'algorithms/rsa_ssa.cc',
+        'algorithms/secret_key_util.cc',
+        'algorithms/secret_key_util.h',
         'algorithms/sha.cc',
         'algorithms/util_openssl.cc',
         'algorithms/util_openssl.h',
         'crypto_data.cc',
         'crypto_data.h',
         'generate_key_result.cc',
         'generate_key_result.h',
         'jwk.cc',
         'jwk.h',
         'key.cc',
         'key.h',
         'platform_crypto.h',
         'status.cc',
         'status.h',
         'webcrypto_impl.cc',
         'webcrypto_impl.h',
         'webcrypto_util.cc',
         'webcrypto_util.h',
       ],
     },
   ],
 }