Add original_path_id to SerializedPacket and OnPacketSent. No functional change expected.

net/quic/quic_sent_packet_manager.h

 // Copyright 2013 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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 160 matching lines @@
   bool HasUnackedPackets() const;
 
   // Returns the smallest packet number of a serialized packet which has not
   // been acked by the peer.
   QuicPacketNumber GetLeastUnacked() const;
 
   // Called when we have sent bytes to the peer.  This informs the manager both
   // the number of bytes sent and if they were retransmitted.  Returns true if
   // the sender should reset the retransmission timer.
   virtual bool OnPacketSent(SerializedPacket* serialized_packet,
+                            QuicPathId /*original_path_id*/,
                             QuicPacketNumber original_packet_number,
                             QuicTime sent_time,
                             TransmissionType transmission_type,
                             HasRetransmittableData has_retransmittable_data);
 
   // Called when the retransmission timer expires.
   virtual void OnRetransmissionTimeout();
 
   // Calculate the time until we can send the next packet to the wire.
   // Note 1: When kUnknownWaitTime is returned, there is no need to poll
@@ skipping 260 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_