Remove a QUIC test only flag(limit_rto_increase_for_tests) to limit the

net/quic/quic_sent_packet_manager.h

 // Copyright 2013 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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <deque>
 #include <list>
 #include <map>
 #include <queue>
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "net/base/linked_hash_map.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 #include "net/quic/quic_ack_notifier_manager.h"
 #include "net/quic/quic_protocol.h"
 
 NET_EXPORT_PRIVATE extern bool FLAGS_track_retransmission_history;
-NET_EXPORT_PRIVATE extern bool FLAGS_limit_rto_increase_for_tests;
 NET_EXPORT_PRIVATE extern bool FLAGS_enable_quic_pacing;
 
 namespace net {
 
 namespace test {
 class QuicConnectionPeer;
 class QuicSentPacketManagerPeer;
 }  // namespace test
 
 class QuicClock;
@@ skipping 304 matching lines @@
   // Maximum number of tail loss probes to send before firing an RTO.
   size_t max_tail_loss_probes_;
   bool using_pacing_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_