Remove unnecessary methods from QuicUnackedPacketMap and a minor

net/quic/quic_unacked_packet_map.h

Index: net/quic/quic_unacked_packet_map.h
diff --git a/net/quic/quic_unacked_packet_map.h b/net/quic/quic_unacked_packet_map.h
index 011760a4807c6dd809899f8849c2252db00985dd..bbea39615d04e6f0a5b4ad7cce4e926a3e23ff1f 100644
--- a/net/quic/quic_unacked_packet_map.h
+++ b/net/quic/quic_unacked_packet_map.h
@@ -31,9 +31,6 @@ class NET_EXPORT_PRIVATE QuicUnackedPacketMap {
   // Returns true if the packet |sequence_number| is unacked.
   bool IsUnacked(QuicPacketSequenceNumber sequence_number) const;
 
-  // Returns true if the packet |sequence_number| is pending.
-  bool IsPending(QuicPacketSequenceNumber sequence_number) const;
-
   // Sets the nack count to the max of the current nack count and |min_nacks|.
   void NackPacket(QuicPacketSequenceNumber sequence_number,
                   size_t min_nacks);
@@ -72,10 +69,6 @@ class NET_EXPORT_PRIVATE QuicUnackedPacketMap {
   // been acked by the peer.  If there are no unacked packets, returns 0.
   QuicPacketSequenceNumber GetLeastUnackedSentPacket() const;
 
-  // Returns the set of sequence numbers of all unacked packets.
-  // Test only.
-  SequenceNumberSet GetUnackedPackets() const;
-
   // Sets a packet as sent with the sent time |sent_time|.  Marks the packet
   // as pending and tracks the |bytes_sent| if |set_pending| is true.
   // Packets marked as pending are expected to be marked as missing when they