QuicCryptoProof now takes a ref to the Config instead of its SCID

net/quic/quic_flags.cc

 // 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.
 
 #include "net/quic/quic_flags.h"
 
 // When true, the use time based loss detection instead of nack.
 bool FLAGS_quic_use_time_loss_detection = false;
 
 // If true, it will return as soon as an error is detected while validating
@@ skipping 150 matching lines @@
 // serialized packet when frames are retransmitted.
 bool FLAGS_quic_retransmit_via_onserializedpacket = true;
 
 // If true, for QUIC authenticated encryption algorithms, last 8 bytes
 // of IV comprise packet path id and lower 7 bytes of packet number.
 bool FLAGS_quic_include_path_id_in_iv = true;
 
 // If true, make sure new incoming streams correctly cede to higher
 // priority (or batch) streams when doing QUIC writes.
 bool FLAGS_quic_cede_correctly = true;
+
+// Has QuicCryptoProof hold a ref to the primary_config instead of storing its
+// SCID.
+bool FLAGS_quic_crypto_proof_use_ref = true;