Remove PacketType from QUIC because the QUEUED type is not used and the

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 213 matching lines @@
   // of the new alarm, which will not yet be "set" to fire.
   virtual QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) = 0;
 };
 
 class NET_EXPORT_PRIVATE QuicConnection
     : public QuicFramerVisitorInterface,
       public QuicBlockedWriterInterface,
       public QuicPacketGenerator::DelegateInterface,
       public QuicSentPacketManager::NetworkChangeVisitor {
  public:
-  enum PacketType {
-    NORMAL,
-    QUEUED,
-    CONNECTION_CLOSE
-  };
-
   enum AckBundling {
     NO_ACK = 0,
     SEND_ACK = 1,
     BUNDLE_PENDING_ACK = 2,
   };
 
   class PacketWriterFactory {
    public:
     virtual ~PacketWriterFactory() {}
 
@@ skipping 319 matching lines @@
     QueuedPacket(SerializedPacket packet,
                  EncryptionLevel level,
                  TransmissionType transmission_type);
 
     QuicPacketSequenceNumber sequence_number;
     QuicPacket* packet;
     const EncryptionLevel encryption_level;
     TransmissionType transmission_type;
     HasRetransmittableData retransmittable;
     IsHandshake handshake;
-    PacketType type;
+    bool is_connection_close;
     QuicByteCount length;
   };
 
   typedef std::list<QueuedPacket> QueuedPacketList;
   typedef std::map<QuicFecGroupNumber, QuicFecGroup*> FecGroupMap;
 
   // Writes the given packet to socket, encrypted with packet's
   // encryption_level. Returns true on successful write. Behavior is undefined
   // if connection is not established or broken. A return value of true means
   // the packet was transmitted and may be destroyed. If the packet is
@@ skipping 220 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_