Deprecate FLAGS_quic_always_write_queued_retransmissions.

net/quic/quic_multipath_sent_packet_manager.h

 #ifndef NET_QUIC_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_
 
 #include <vector>
 
 #include "net/base/net_export.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_sent_packet_manager.h"
 #include "net/quic/quic_sent_packet_manager_interface.h"
 
@@ skipping 34 matching lines @@
 
   // Sets max pacing rate of the default path.
   void SetMaxPacingRate(QuicBandwidth max_pacing_rate) override;
 
   void SetHandshakeConfirmed() override;
 
   // Directs |ack_frame| to the appropriate path sent packet manager.
   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;
 
   // Tries to retransmit the oldest pending packet across all paths. The
   // retransmission is sent on the path that has a TLP timer pending.
   bool MaybeRetransmitTailLossProbe() override;
 
   // Removes the retransmittable frames from all unencrypted packets on the
   // default path to ensure they don't get retransmitted.
@@ skipping 140 matching lines @@
 
   // Does not own this delegate.
   QuicConnectionCloseDelegateInterface* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicMultipathSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_