Update from https://crrev.com/304418

net/quic/quic_sent_packet_manager.h

Index: net/quic/quic_sent_packet_manager.h
diff --git a/net/quic/quic_sent_packet_manager.h b/net/quic/quic_sent_packet_manager.h
index f82e34bc2d6f81e32cdbe6238696c1b461dd794b..2a3ea64fb7d8184bde67a00c093dcc4fdd7c30d0 100644
--- a/net/quic/quic_sent_packet_manager.h
+++ b/net/quic/quic_sent_packet_manager.h
@@ -93,7 +93,8 @@ class NET_EXPORT_PRIVATE QuicSentPacketManager {
                         const QuicClock* clock,
                         QuicConnectionStats* stats,
                         CongestionControlType congestion_control_type,
-                        LossDetectionType loss_type);
+                        LossDetectionType loss_type,
+                        bool is_secure);
   virtual ~QuicSentPacketManager();
 
   virtual void SetFromConfig(const QuicConfig& config);
@@ -351,6 +352,7 @@ class NET_EXPORT_PRIVATE QuicSentPacketManager {
   QuicConnectionStats* stats_;
   DebugDelegate* debug_delegate_;
   NetworkChangeVisitor* network_change_visitor_;
+  const QuicPacketCount initial_congestion_window_;
   RttStats rtt_stats_;
   scoped_ptr<SendAlgorithmInterface> send_algorithm_;
   scoped_ptr<LossDetectionInterface> loss_algorithm_;