Deprecate --gfe2_reloadable_flag_quic_only_cancel_set_alarms

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 87 matching lines @@
 // If true, the QUIC dispatcher will directly send version negotiation packets
 // without needing to create a QUIC session first.
 bool FLAGS_quic_stateless_version_negotiation = false;
 
 // QUIC Ack Decimation with tolerance for packet reordering.
 bool FLAGS_quic_ack_decimation2 = true;
 
 // If true, QUIC connections will defer responding to ACKs to their send alarms.
 bool FLAGS_quic_connection_defer_ack_response = true;
 
-// If true, calls to QuicAlarm::Cancel don't do anything  if the alarm is not
-// set.
-bool FLAGS_quic_only_cancel_set_alarms = true;
-
 // 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 = true;
@@ skipping 13 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;