Update JWK output to match latest draft

net/cert/jwk_serializer.h

 // Copyright 2013 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 NET_CERT_JWK_SERIALIZER_H_
 #define NET_CERT_JWK_SERIALIZER_H_
 
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace net {
 
 namespace JwkSerializer {
 
 // Converts a subject public key info from DER to JWK.
-// See http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-13 for
+// See http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-17 for
 // the output format.
 NET_EXPORT_PRIVATE bool ConvertSpkiFromDerToJwk(
     const base::StringPiece& spki_der,
     base::DictionaryValue* public_key_jwk);
 
 } // namespace JwkSerializer
 
 } // namespace net
 
 #endif  // NET_CERT_JWK_SERIALIZER_H_