Deprecate FLAGS_quic_always_write_queued_retransmissions.

net/quic/quic_multipath_sent_packet_manager.h

Index: net/quic/quic_multipath_sent_packet_manager.h
diff --git a/net/quic/quic_multipath_sent_packet_manager.h b/net/quic/quic_multipath_sent_packet_manager.h
index 8c2e9b95662f77b0ae44fffd238419606ac8521e..7da2f42ddf5e045220449e6d56297635dc6383ec 100644
--- a/net/quic/quic_multipath_sent_packet_manager.h
+++ b/net/quic/quic_multipath_sent_packet_manager.h
@@ -52,15 +52,6 @@ class NET_EXPORT_PRIVATE QuicMultipathSentPacketManager :
   void OnIncomingAck(const QuicAckFrame& ack_frame,
                      QuicTime ack_receive_time) override;
 
-  // Returns true if |packet_number| is unacked on path with |path_id|.
-  bool IsUnacked(QuicPathId path_id,
-                 QuicPacketNumber packet_number) const override;
-
-  // Returns true if |packet_number| on |path_id| is unacked and has
-  // retransmittable frames.
-  bool HasRetransmittableFrames(QuicPathId path_id,
-                                QuicPacketNumber packet_number) const override;
-
   // Requests retransmission of all unacked packets of |retransmission_type| on
   // the default path.
   void RetransmitUnackedPackets(TransmissionType retransmission_type) override;