Land Recent QUIC Changes.

net/quic/quic_connection.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 509 matching lines @@
 
   // Make sure an ack we got from our peer is sane.
   bool ValidateAckFrame(const QuicAckFrame& incoming_ack);
 
   // Sends a version negotiation packet to the peer.
   void SendVersionNegotiationPacket();
 
   // Clears any accumulated frames from the last received packet.
   void ClearLastFrames();
 
-  // Calculates the smallest sequence number length that can also represent four
-  // times the maximum of the congestion window and the difference between the
-  // least_packet_awaited_by_peer_ and |sequence_number|.
-  QuicSequenceNumberLength CalculateSequenceNumberLength(
-      QuicPacketSequenceNumber sequence_number);
-
-  // Drop packet corresponding to |sequence_number| by deleting entries from
-  // |unacked_packets_| and |retransmission_map_|, if present. We need to drop
-  // all packets with encryption level NONE after the default level has been set
-  // to FORWARD_SECURE.
-  void DropPacket(QuicPacketSequenceNumber sequence_number);
-
   // Writes as many queued packets as possible.  The connection must not be
   // blocked when this is called.
   void WriteQueuedPackets();
 
   // Writes as many pending retransmissions as possible.
   void WritePendingRetransmissions();
 
   // Returns true if the packet should be discarded and not sent.
   bool ShouldDiscardPacket(EncryptionLevel level,
                            QuicPacketSequenceNumber sequence_number,
@@ skipping 172 matching lines @@
   // If non-empty this contains the set of versions received in a
   // version negotiation packet.
   QuicVersionVector server_supported_versions_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_