Deprecate FLAGS_quic_reloadable_flag_quic_remove_multipath_bit.

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 528 matching lines @@
 
 // TODO(jri): Make this a public method of framer?
 SerializedPacket QuicPacketCreator::NoPacket() {
   return SerializedPacket(0, PACKET_1BYTE_PACKET_NUMBER, nullptr, 0, false,
                           false);
 }
 
 void QuicPacketCreator::FillPacketHeader(QuicPacketHeader* header) {
   header->public_header.connection_id = connection_id_;
   header->public_header.connection_id_length = connection_id_length_;
-  header->public_header.multipath_flag = false;
   header->public_header.reset_flag = false;
   header->public_header.version_flag = send_version_in_packet_;
   if (IncludeNonceInPublicHeader()) {
     DCHECK_EQ(Perspective::IS_SERVER, framer_->perspective());
     header->public_header.nonce = &diversification_nonce_;
   } else {
     header->public_header.nonce = nullptr;
   }
   header->packet_number = ++packet_.packet_number;
   header->public_header.packet_number_length = packet_.packet_number_length;
@@ skipping 97 matching lines @@
 bool QuicPacketCreator::IncludeNonceInPublicHeader() {
   return have_diversification_nonce_ &&
          packet_.encryption_level == ENCRYPTION_INITIAL;
 }
 
 void QuicPacketCreator::AddPendingPadding(QuicByteCount size) {
   pending_padding_bytes_ += size;
 }
 
 }  // namespace net