When talking >=QUIC_VERSION_22, regularly send updated bandwidth

net/quic/test_tools/quic_sent_packet_manager_peer.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/test_tools/quic_sent_packet_manager_peer.h"
 
 #include "base/stl_util.h"
 #include "net/quic/congestion_control/loss_detection_interface.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 #include "net/quic/quic_protocol.h"
@@ skipping 122 matching lines @@
   return sent_packet_manager->unacked_packets_.bytes_in_flight();
 }
 
 // static
 QuicSentPacketManager::NetworkChangeVisitor*
     QuicSentPacketManagerPeer::GetNetworkChangeVisitor(
         const QuicSentPacketManager* sent_packet_manager) {
   return sent_packet_manager->network_change_visitor_;
 }
 
+// static
+QuicSustainedBandwidthRecorder& QuicSentPacketManagerPeer::GetBandwidthRecorder(
+    QuicSentPacketManager* sent_packet_manager) {
+  return sent_packet_manager->sustained_bandwidth_recorder_;
+}
+
 }  // namespace test
 }  // namespace net