Make the SentPacketManager remove pending retransmissions for reset

net/quic/quic_sent_packet_manager.cc

Index: net/quic/quic_sent_packet_manager.cc
diff --git a/net/quic/quic_sent_packet_manager.cc b/net/quic/quic_sent_packet_manager.cc
index 3f9c222b0c8fae74ac69721c1b8f7cedd1297215..1694da25415a1b5b1b198009716d601cb793f012 100644
--- a/net/quic/quic_sent_packet_manager.cc
+++ b/net/quic/quic_sent_packet_manager.cc
@@ -941,6 +941,19 @@ void QuicSentPacketManager::OnSerializedPacket(
   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.