This QUIC change includes:

net/quic/core/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/core/quic_sent_packet_manager.h"
 
 #include <algorithm>
 #include <string>
 
 #include "net/quic/chromium/quic_utils_chromium.h"
@@ skipping 446 matching lines @@
                                               QuicTransmissionInfo* info,
                                               QuicTime::Delta ack_delay_time) {
   QuicPacketNumber newest_transmission =
       GetNewestRetransmission(packet_number, *info);
   // Remove the most recent packet, if it is pending retransmission.
   pending_retransmissions_.erase(newest_transmission);
 
   // The AckListener needs to be notified about the most recent
   // transmission, since that's the one only one it tracks.
   if (newest_transmission == packet_number) {
+    unacked_packets_.NotifyStreamFramesAcked(*info, ack_delay_time);
     unacked_packets_.NotifyAndClearListeners(&info->ack_listeners,
                                              ack_delay_time);
   } else {
     unacked_packets_.NotifyAndClearListeners(newest_transmission,
                                              ack_delay_time);
     RecordSpuriousRetransmissions(*info, packet_number);
     // Remove the most recent packet from flight if it's a crypto handshake
     // packet, since they won't be acked now that one has been processed.
     // Other crypto handshake packets won't be in flight, only the newest
     // transmission of a crypto packet is in flight at once.
     // TODO(ianswett): Instead of handling all crypto packets special,
     // only handle nullptr encrypted packets in a special way.
     const QuicTransmissionInfo& newest_transmission_info =
         unacked_packets_.GetTransmissionInfo(newest_transmission);
+    unacked_packets_.NotifyStreamFramesAcked(newest_transmission_info,
+                                             ack_delay_time);
     if (HasCryptoHandshake(newest_transmission_info)) {
       unacked_packets_.RemoveFromInFlight(newest_transmission);
     }
   }
 
   if (network_change_visitor_ != nullptr &&
       info->bytes_sent > largest_mtu_acked_) {
     largest_mtu_acked_ = info->bytes_sent;
     network_change_visitor_->OnPathMtuIncreased(largest_mtu_acked_);
   }
@@ skipping 464 matching lines @@
 }
 
 void QuicSentPacketManager::OnApplicationLimited() {
   send_algorithm_->OnApplicationLimited(unacked_packets_.bytes_in_flight());
 }
 
 const SendAlgorithmInterface* QuicSentPacketManager::GetSendAlgorithm() const {
   return send_algorithm_.get();
 }
 
+void QuicSentPacketManager::SetStreamNotifier(
+    StreamNotifierInterface* stream_notifier) {
+  unacked_packets_.SetStreamNotifier(stream_notifier);
+}
+
 }  // namespace net