Land Recent QUIC changes.

net/quic/congestion_control/quic_congestion_manager.h

Index: net/quic/congestion_control/quic_congestion_manager.h
diff --git a/net/quic/congestion_control/quic_congestion_manager.h b/net/quic/congestion_control/quic_congestion_manager.h
index d574e511888b8d1c3e9c25b1133694ea69b3d953..6d157198b17c9ce2d53f059e1de120284ca0804b 100644
--- a/net/quic/congestion_control/quic_congestion_manager.h
+++ b/net/quic/congestion_control/quic_congestion_manager.h
@@ -95,6 +95,14 @@ class NET_EXPORT_PRIVATE QuicCongestionManager {
   // Returns the estimated bandwidth calculated by the congestion algorithm.
   QuicBandwidth BandwidthEstimate();
 
+  // Returns the size of the current congestion window.  Note, this
+  // is not the *available* window.  Some send algorithms may not use a
+  // congestion window and will return 0.
+  QuicByteCount GetCongestionWindow();
+
+  // Sets the value of the current congestion window to |window|.
+  void SetCongestionWindow(QuicByteCount window);
+
  private:
   friend class test::QuicConnectionPeer;
   friend class test::QuicCongestionManagerPeer;