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

components/webcrypto/algorithms/hkdf.cc

 // 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.
 
 #include <openssl/err.h>
 #include <openssl/hkdf.h>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "components/webcrypto/algorithm_implementation.h"
+#include "components/webcrypto/algorithms/secret_key_util.h"
 #include "components/webcrypto/algorithms/util_openssl.h"
 #include "components/webcrypto/crypto_data.h"
 #include "components/webcrypto/key.h"
 #include "components/webcrypto/status.h"
 #include "components/webcrypto/webcrypto_util.h"
 #include "crypto/openssl_util.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 
 namespace webcrypto {
@@ skipping 82 matching lines @@
   }
 };
 
 }  // namespace
 
 scoped_ptr<AlgorithmImplementation> CreateHkdfImplementation() {
   return make_scoped_ptr(new HkdfImplementation);
 }
 
 }  // namespace webcrypto