Nest a QUIC SerializedPacket inside a QUIC QueuedPacket.

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 29605b88329d6ca8410748f5b70d99ed9497d932..3b84205474ba04570272dd52cd1c9b526af8d582 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -564,14 +564,9 @@ class NET_EXPORT_PRIVATE QuicConnection
                  EncryptionLevel level,
                  TransmissionType transmission_type);
 
-    QuicPacketSequenceNumber sequence_number;
-    QuicPacket* packet;
+    SerializedPacket serialized_packet;
     const EncryptionLevel encryption_level;
     TransmissionType transmission_type;
-    HasRetransmittableData retransmittable;
-    IsHandshake handshake;
-    bool is_connection_close;
-    QuicByteCount length;
   };
 
   typedef std::list<QueuedPacket> QueuedPacketList;
@@ -662,6 +657,9 @@ class NET_EXPORT_PRIVATE QuicConnection
   void CheckForAddressMigration(const IPEndPoint& self_address,
                                 const IPEndPoint& peer_address);
 
+  HasRetransmittableData IsRetransmittable(QueuedPacket packet);
+  bool IsConnectionClose(QueuedPacket packet);
+
   QuicFramer framer_;
   QuicConnectionHelperInterface* helper_;  // Not owned.
   QuicPacketWriter* writer_;  // Owned or not depending on |owns_writer_|.