Land Recent QUIC changes.

net/quic/congestion_control/quic_congestion_manager.cc

Index: net/quic/congestion_control/quic_congestion_manager.cc
diff --git a/net/quic/congestion_control/quic_congestion_manager.cc b/net/quic/congestion_control/quic_congestion_manager.cc
index c288a5c4dd6adaa5b25241e741d403d1b790c19b..ed133fc0d6820eb45ef4e65f79af811d4543b8fe 100644
--- a/net/quic/congestion_control/quic_congestion_manager.cc
+++ b/net/quic/congestion_control/quic_congestion_manager.cc
@@ -215,6 +215,14 @@ QuicBandwidth QuicCongestionManager::BandwidthEstimate() {
   return send_algorithm_->BandwidthEstimate();
 }
 
+QuicByteCount QuicCongestionManager::GetCongestionWindow() {
+  return send_algorithm_->GetCongestionWindow();
+}
+
+void QuicCongestionManager::SetCongestionWindow(QuicByteCount window) {
+  send_algorithm_->SetCongestionWindow(window);
+}
+
 void QuicCongestionManager::CleanupPacketHistory() {
   const QuicTime::Delta kHistoryPeriod =
       QuicTime::Delta::FromMilliseconds(kHistoryPeriodMs);