Landing 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 583 matching lines @@
   void ClearLastFrames();
 
   // 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,
-                           HasRetransmittableData retransmittable);
+  bool ShouldDiscardPacket(const QueuedPacket& packet);
 
   // Queues |packet| in the hopes that it can be decrypted in the
   // future, when a new key is installed.
   void QueueUndecryptablePacket(const QuicEncryptedPacket& packet);
 
   // Attempts to process any queued undecryptable packets.
   void MaybeProcessUndecryptablePackets();
 
   // If a packet can be revived from the current FEC group, then
   // revive and process the packet.
@@ skipping 33 matching lines @@
   void CloseFecGroupsBefore(QuicPacketSequenceNumber sequence_number);
 
   // Sets the ping alarm to the appropriate value, if any.
   void SetPingAlarm();
 
   // On arrival of a new packet, checks to see if the socket addresses have
   // changed since the last packet we saw on this connection.
   void CheckForAddressMigration(const IPEndPoint& self_address,
                                 const IPEndPoint& peer_address);
 
-  HasRetransmittableData IsRetransmittable(QueuedPacket packet);
+  HasRetransmittableData IsRetransmittable(const QueuedPacket& packet);
   bool IsConnectionClose(QueuedPacket packet);
 
   QuicFramer framer_;
   QuicConnectionHelperInterface* helper_;  // Not owned.
   QuicPacketWriter* writer_;  // Owned or not depending on |owns_writer_|.
   bool owns_writer_;
   EncryptionLevel encryption_level_;
   const QuicClock* clock_;
   QuicRandom* random_generator_;
 
@@ skipping 131 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_