Make the SentPacketManager remove pending retransmissions for reset

net/quic/quic_sent_packet_manager.cc

 // 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.
 
 #include "net/quic/quic_sent_packet_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 923 matching lines @@
 
 QuicPacketCount QuicSentPacketManager::GetSlowStartThresholdInTcpMss() const {
   return send_algorithm_->GetSlowStartThreshold() / kDefaultTCPMSS;
 }
 
 void QuicSentPacketManager::OnSerializedPacket(
     const SerializedPacket& serialized_packet) {
   ack_notifier_manager_.OnSerializedPacket(serialized_packet);
 }
 
+void QuicSentPacketManager::CancelRetransmissionsForStream(
+    QuicStreamId stream_id) {
+  unacked_packets_.CancelRetransmissionsForStream(stream_id);
+  PendingRetransmissionMap::iterator it = pending_retransmissions_.begin();
+  while (it != pending_retransmissions_.end()) {
+    if (HasRetransmittableFrames(it->first)) {
+      ++it;
+      continue;
+    }
+    it = pending_retransmissions_.erase(it);
+  }
+}
+
 void QuicSentPacketManager::EnablePacing() {
   // TODO(ianswett): Replace with a method which wraps the send algorithm in a
   // pacer every time a new algorithm is set.
   if (using_pacing_) {
     return;
   }
 
   // Set up a pacing sender with a 1 millisecond alarm granularity, the same as
   // the default granularity of the Linux kernel's FQ qdisc.
   using_pacing_ = true;
   send_algorithm_.reset(
       new PacingSender(send_algorithm_.release(),
                        QuicTime::Delta::FromMilliseconds(1),
                        kInitialUnpacedBurst));
 }
 
 }  // namespace net