QUIC-local change to extend per-connection stats. Extending

net/quic/congestion_control/tcp_cubic_sender.h

Index: net/quic/congestion_control/tcp_cubic_sender.h
diff --git a/net/quic/congestion_control/tcp_cubic_sender.h b/net/quic/congestion_control/tcp_cubic_sender.h
index 74feeefe2e8edb0cda194fdeb6c3f659f0396fc6..21a0256446ca3454a1a2f0f458d7ed1986b7f785 100644
--- a/net/quic/congestion_control/tcp_cubic_sender.h
+++ b/net/quic/congestion_control/tcp_cubic_sender.h
@@ -15,6 +15,7 @@
 #include "net/quic/congestion_control/hybrid_slow_start.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 #include "net/quic/quic_bandwidth.h"
+#include "net/quic/quic_connection_stats.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_time.h"
 
@@ -32,7 +33,8 @@ class NET_EXPORT_PRIVATE TcpCubicSender : public SendAlgorithmInterface {
   // Reno option and max_tcp_congestion_window are provided for testing.
   TcpCubicSender(const QuicClock* clock,
                  bool reno,
-                 QuicTcpCongestionWindow max_tcp_congestion_window);
+                 QuicTcpCongestionWindow max_tcp_congestion_window,
+                 QuicConnectionStats* stats);
   virtual ~TcpCubicSender();
 
   // Start implementation of SendAlgorithmInterface.