Deprecate flags for Cubic fixes: FLAGS_quic_reloadable_flag_quic_fix_beta_last_max, gfe2_reloadable…

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.
 
 // Time period for which a given connection_id should live in the time-wait
@@ skipping 68 matching lines @@
 // public flag.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_remove_v33_hacks2, false)
 
 // Enable QUIC force HOL blocking experiment.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_force_hol_blocking, true)
 
 // If true, allows packets to be buffered in anticipation of a future CHLO, and
 // allow CHLO packets to be buffered until next iteration of the event loop.
 QUIC_FLAG(bool, FLAGS_quic_allow_chlo_buffering, true)
 
-// If true, fix some casts that were causing off-by-one errors in QUIC's cubic
-// "convex" increases.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_cubic_convex_mode, true)
-
 // If true, GFE sends SETTINGS_MAX_HEADER_LIST_SIZE to the client at the
 // beginning of a connection.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_send_max_header_list_size, true)
 
-// If true, fix quantization of CubicBytes while performing convex increases.
-QUIC_FLAG(bool,
-          FLAGS_quic_reloadable_flag_quic_fix_cubic_bytes_quantization,
-          true)
-
-// If true, fix Cubic\'s use of kBetaLastMax for n-connection emulation.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_beta_last_max, true)
-
 // If greater than zero, mean RTT variation is multiplied by the specified
 // factor and added to the congestion window limit.
 QUIC_FLAG(double, FLAGS_quic_bbr_rtt_variation_weight, 0.0f)
 
 // Congestion window gain for QUIC BBR during PROBE_BW phase.
 QUIC_FLAG(double, FLAGS_quic_bbr_cwnd_gain, 2.0f)
 
 // If true, do not send or process stop waiting frames in QUIC if the NSTP
 // connection option is provided.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_no_stop_waiting_frames, false)
 
 // Allows one self address change.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_one_address_change, false)
 
 // If true, QUIC BBR stores a max filtered number of bytes delivered at a rate
 // faster than the sending rate.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_ack_aggregation_bytes, true)
 
-// If true, allow cubic updates on every ack, rather than occasionally limiting
-// the frequency to once every 30ms.
-QUIC_FLAG(bool,
-          FLAGS_quic_reloadable_flag_quic_enable_cubic_per_ack_updates,
-          true)
-
 // Support bandwidth resumption in QUIC BBR.
 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)
 
@@ skipping 67 matching lines @@
 // from duplicate keys into a single delimted header.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_handle_duplicate_trailers,
           false)
 
 // Allows QUIC BBR up to twice the previously measured ack aggregation to be
 // added to the CWND as long as bytes_in_flight goes below the target recently.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_bbr_ack_aggregation_bytes2,
           false)