Changes QUIC's SentPacketManager to pass in HAS_RETRANSMITTABLE_DATA to

net/quic/quic_protocol.h

Index: net/quic/quic_protocol.h
diff --git a/net/quic/quic_protocol.h b/net/quic/quic_protocol.h
index 00064ffd101e2a6e2daf8c5a1021ebe550077f68..4cd53a9449a7a220caeb703cc4a451a99f1d3c51 100644
--- a/net/quic/quic_protocol.h
+++ b/net/quic/quic_protocol.h
@@ -1099,6 +1099,8 @@ struct NET_EXPORT_PRIVATE TransmissionInfo {
   bool in_flight;
   // True if the packet can never be acked, so it can be removed.
   bool is_unackable;
+  // True if the packet is an FEC packet.
+  bool is_fec_packet;
 };
 
 }  // namespace net