deprecate quic_use_rfc7539

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 56 matching lines @@
 
 // If true, Close the connection instead of writing unencrypted stream data.
 bool FLAGS_quic_never_write_unencrypted_data = true;
 
 // If true, reject any incoming QUIC which does not have the FIXD tag.
 bool FLAGS_quic_require_fix = true;
 
 // If true, headers stream will support receiving PUSH_PROMISE frames.
 bool FLAGS_quic_supports_push_promise = false;
 
-// If true, QUIC will support RFC 7539 variants of ChaCha20 Poly1305.
-bool FLAGS_quic_use_rfc7539 = true;
-
 // When turn on, log packet loss into transport connection stats LossEvent.
 bool FLAGS_quic_log_loss_event = 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;
@@ skipping 40 matching lines @@
 // Simplify QUIC's write path for inplace encryption now that FEC is gone.
 bool FLAGS_quic_inplace_encryption2 = true;
 
 // If true, SpdyFramer will call OnStreamEnd from SpdyFramerVisitorInterface
 // instead of empty-data sentinel calls when the stream is to be ended.
 bool FLAGS_spdy_on_stream_end = true;
 
 // If true, QuicCryptoServerConfig will use cached compressed certificates
 // if the uncompressed certs to be compressed hits the cache.
 bool FLAGS_quic_use_cached_compressed_certs = false;