Refactor the interface for generating keys.

content/child/webcrypto/webcrypto_util.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_UTIL_H_
 #define CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_UTIL_H_
 
 #include <stdint.h>
 #include <string>
 
@@ skipping 34 matching lines @@
     blink::WebCryptoAlgorithmId hash_id);
 
 // Returns true if the set bits in b make up a subset of the set bits in a.
 bool ContainsKeyUsages(blink::WebCryptoKeyUsageMask a,
                        blink::WebCryptoKeyUsageMask b);
 
 bool KeyUsageAllows(const blink::WebCryptoKey& key,
                     const blink::WebCryptoKeyUsage usage);
 
 bool IsAlgorithmRsa(blink::WebCryptoAlgorithmId alg_id);
-bool IsAlgorithmAsymmetric(blink::WebCryptoAlgorithmId alg_id);
 
 Status GetAesGcmTagLengthInBits(const blink::WebCryptoAesGcmParams* params,
                                 unsigned int* tag_length_bits);
 
 Status GetAesKeyGenLengthInBits(const blink::WebCryptoAesKeyGenParams* params,
                                 unsigned int* keylen_bits);
 
 Status GetHmacKeyGenLengthInBits(const blink::WebCryptoHmacKeyGenParams* params,
                                  unsigned int* keylen_bits);
 
@@ skipping 11 matching lines @@
 Status GetRsaKeyGenParameters(
     const blink::WebCryptoRsaHashedKeyGenParams* params,
     unsigned int* public_exponent,
     unsigned int* modulus_length_bits);
 
 }  // namespace webcrypto
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_UTIL_H_