Fix QUIC connection's last_send_for_timeout_

net/quic/core/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/core/quic_flags.h"
 
 // If true, it will return as soon as an error is detected while validating
 // CHLO.
 bool FLAGS_use_early_return_when_verifying_chlo = true;
 
@@ skipping 142 matching lines @@
 // Disable MTU probing if MTU probe causes ERR_MSG_TOO_BIG instead of aborting
 // the connection.
 bool FLAGS_graceful_emsgsize_on_mtu_probe = true;
 
 // If true, do not force sending ack when connection is closed because of
 // message too long (EMSGSIZE) write error.
 bool FLAGS_quic_do_not_send_ack_on_emsgsize = true;
 
 // If true, postpone multipath flag validation to ProcessValidatedPacket.
 bool FLAGS_quic_postpone_multipath_flag_validation = true;
+
+// If true, set a QUIC connection's last_sent_for_timeout_ to the send time of
+// the first packet sent after receiving a packet, even if the sent packet is
+// a retransmission
+bool FLAGS_quic_better_last_send_for_timeout = true;