relnote: Deprecate --quic_auto_tune_receive_window.

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 21 matching lines @@
 // Maximum number of connections on the time-wait list. A negative value implies
 // no configured limit.
 int64_t FLAGS_quic_time_wait_list_max_connections = 600000;
 
 // Enables server-side support for QUIC stateless rejects.
 bool FLAGS_enable_quic_stateless_reject_support = true;
 
 // This flag is not in use, just to keep consistency for shared code.
 bool FLAGS_quic_always_log_bugs_for_tests = false;
 
-// If true, flow controller may grow the receive window size if necessary.
-bool FLAGS_quic_auto_tune_receive_window = true;
-
 // If true, multipath is enabled for the connection.
 bool FLAGS_quic_enable_multipath = false;
 
 // If true, require handshake confirmation for QUIC connections, functionally
 // disabling 0-rtt handshakes.
 // TODO(rtenneti): Enable this flag after CryptoServerTest's are fixed.
 bool FLAGS_quic_require_handshake_confirmation = false;
 
 // If true, Cubic's epoch is shifted when the sender is application-limited.
 bool FLAGS_shift_quic_cubic_epoch_when_app_limited = true;
@@ skipping 62 matching lines @@
 // Try to use the socket timestamp to determine the time a packet was
 // received instead of Now().
 bool FLAGS_quic_use_socket_timestamp = true;
 
 // If true, handling of errors from invalid stream frames is done in
 // one place in QuicStreamSequencer::OnStreamFrame.
 bool FLAGS_quic_consolidate_onstreamframe_errors = true;
 
 // Resend 0RTT requests in response to an REJ that re-establishes encryption.
 bool FLAGS_quic_reply_to_rej = true;