Repair the CWND reduction caused by spurious RTO's in QUIC's congestion

net/quic/congestion_control/pacing_sender.cc

 // Copyright (c) 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.
 
 #include "net/quic/congestion_control/pacing_sender.h"
 
 namespace net {
 
 PacingSender::PacingSender(SendAlgorithmInterface* sender,
                            QuicTime::Delta alarm_granularity)
@@ skipping 70 matching lines @@
     }
   }
   return sender_->OnPacketSent(sent_time, bytes_in_flight, sequence_number,
                                bytes, has_retransmittable_data);
 }
 
 void PacingSender::OnRetransmissionTimeout(bool packets_retransmitted) {
   sender_->OnRetransmissionTimeout(packets_retransmitted);
 }
 
+void PacingSender::RevertRetransmissionTimeout() {
+  sender_->RevertRetransmissionTimeout();
+}
+
 QuicTime::Delta PacingSender::TimeUntilSend(
       QuicTime now,
       QuicByteCount bytes_in_flight,
       HasRetransmittableData has_retransmittable_data) const {
   QuicTime::Delta time_until_send =
       sender_->TimeUntilSend(now, bytes_in_flight, has_retransmittable_data);
   if (!has_valid_rtt_) {
     // Don't pace if we don't have an updated RTT estimate.
     return time_until_send;
   }
@@ skipping 28 matching lines @@
 
 QuicTime::Delta PacingSender::RetransmissionDelay() const {
   return sender_->RetransmissionDelay();
 }
 
 QuicByteCount PacingSender::GetCongestionWindow() const {
   return sender_->GetCongestionWindow();
 }
 
 }  // namespace net