Use the new error code QUIC_UNSUPPORTED_PROOF_DEMAND instead of

net/quic/core/crypto/quic_crypto_server_config.cc

 // 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.
 
 #include "net/quic/core/crypto/quic_crypto_server_config.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 601 matching lines @@
 
   if (validate_chlo_result.error_code != QUIC_NO_ERROR) {
     *error_details = validate_chlo_result.error_details;
     return validate_chlo_result.error_code;
   }
 
   out->Clear();
 
   if (!ClientDemandsX509Proof(client_hello) && FLAGS_quic_require_x509) {
     *error_details = "Missing or invalid PDMD";
-    return QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER;
+    return QUIC_UNSUPPORTED_PROOF_DEMAND;
   }
   DCHECK(proof_source_.get());
   string chlo_hash;
   CryptoUtils::HashHandshakeMessage(client_hello, &chlo_hash);
   // No need to get a new proof if one was already generated.
   if (!crypto_proof->chain &&
       !proof_source_->GetProof(server_ip, info.sni.as_string(),
                                primary_config->serialized, version, chlo_hash,
                                &crypto_proof->chain, &crypto_proof->signature,
                                &crypto_proof->cert_sct)) {
@@ skipping 1424 matching lines @@
       priority(0),
       source_address_token_boxer(nullptr) {}
 
 QuicCryptoServerConfig::Config::~Config() {
   base::STLDeleteElements(&key_exchanges);
 }
 
 QuicCryptoProof::QuicCryptoProof() {}
 QuicCryptoProof::~QuicCryptoProof() {}
 }  // namespace net