This QUIC change includes:

net/quic/core/quic_connection.h

Index: net/quic/core/quic_connection.h
diff --git a/net/quic/core/quic_connection.h b/net/quic/core/quic_connection.h
index fd78c93dd7971fa2beff5d3afc29e3617df4cfc8..4503c6c5ff87062281ec1f266ddc62f6797e1b2a 100644
--- a/net/quic/core/quic_connection.h
+++ b/net/quic/core/quic_connection.h
@@ -659,6 +659,9 @@ class QUIC_EXPORT_PRIVATE QuicConnection
   // the MTU discovery alarm.
   void DiscoverMtu();
 
+  // Sets the stream notifer on the SentPacketManager.
+  void SetStreamNotifier(StreamNotifierInterface* stream_notifier);
+
   // Return the name of the cipher of the primary decrypter of the framer.
   const char* cipher_name() const { return framer_.decrypter()->cipher_name(); }
   // Return the id of the cipher of the primary decrypter of the framer.