Add QUIC 31 in which the server's proof covers both the static server config as well as a hash of t…

net/quic/crypto/crypto_utils.h

 // Copyright (c) 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.
 //
 // Some helpers for quic crypto
 
 #ifndef NET_QUIC_CRYPTO_CRYPTO_UTILS_H_
 #define NET_QUIC_CRYPTO_CRYPTO_UTILS_H_
 
 #include <stddef.h>
@@ skipping 87 matching lines @@
   static QuicErrorCode ValidateClientHello(
       const CryptoHandshakeMessage& client_hello,
       QuicVersion version,
       const QuicVersionVector& supported_versions,
       std::string* error_details);
 
   // Returns the name of the HandshakeFailureReason as a char*
   static const char* HandshakeFailureReasonToString(
       HandshakeFailureReason reason);
 
+  // Writes a hash of the serialized |message| into |output|.
+  static void HashHandshakeMessage(const CryptoHandshakeMessage& message,
+                                   std::string* output);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CryptoUtils);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CRYPTO_UTILS_H_