Rename FLAGS_quic_enable_version_39 to FLAGS_quic_reloadable_flag_quic_enable_version_39.

net/quic/core/quic_flags_list.h

 // 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.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate values.
 
 // This file contains the list of QUIC protocol flags.
 
 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
@@ skipping 156 matching lines @@
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_bandwidth_resumption, false)
 
 // Add the equivalent number of bytes as 3 TCP TSO segments to QUIC's BBR CWND.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_add_tso_cwnd, false)
 
 // If true, enable version 38 which supports new PADDING frame and respects NSTP
 // connection option.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_38, true)
 
 // If true, enable QUIC v39.
-QUIC_FLAG(bool, FLAGS_quic_enable_version_39, false)
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_39, false)
 
 // If true, on client side, 8-byte connection ID in public header is read and
 // written in big endian.
 QUIC_FLAG(bool,
           FLAGS_quic_restart_flag_quic_big_endian_connection_id_client,
           false)
 
 // If true, on server side, 8-byte connection ID in public header is read and
 // written in big endian.
 QUIC_FLAG(bool,
@@ skipping 31 matching lines @@
 QUIC_FLAG(double, FLAGS_quic_bbr_slow_delivery_threshold_multiplier, 0.5f)
 
 // If true, update state if trailing headers with a :final-offset key are
 // received for a previously closed QUIC stream.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_final_offset_from_trailers,
           false)
 
 // Fix the algorithm used by packet conservation.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_fix_conservation, false)