Remove original_path_id from SerializedPacket and OnPacketSent.

net/quic/core/quic_packet_creator.cc

 // 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.
 
 #include "net/quic/core/quic_packet_creator.h"
 
 #include <algorithm>
 #include <cstdint>
 
 #include "base/macros.h"
@@ skipping 319 matching lines @@
 
   delegate_->OnSerializedPacket(&packet_);
   ClearPacket();
 }
 
 void QuicPacketCreator::ClearPacket() {
   packet_.has_ack = false;
   packet_.has_stop_waiting = false;
   packet_.has_crypto_handshake = NOT_HANDSHAKE;
   packet_.num_padding_bytes = 0;
-  packet_.original_path_id = kInvalidPathId;
   packet_.original_packet_number = 0;
   packet_.transmission_type = NOT_RETRANSMISSION;
   packet_.encrypted_buffer = nullptr;
   packet_.encrypted_length = 0;
   DCHECK(packet_.retransmittable_frames.empty());
   packet_.listeners.clear();
 }
 
 void QuicPacketCreator::CreateAndSerializeStreamFrame(
     QuicStreamId id,
@@ skipping 304 matching lines @@
   // Switching path needs to update packet number length.
   UpdatePacketNumberLength(least_packet_awaited_by_peer, max_packets_in_flight);
 }
 
 bool QuicPacketCreator::IncludeNonceInPublicHeader() {
   return have_diversification_nonce_ &&
          packet_.encryption_level == ENCRYPTION_INITIAL;
 }
 
 }  // namespace net