Deprecate FLAGS_quic_reloadable_flag_quic_remove_multipath_bit.

net/quic/test_tools/quic_test_utils.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/test_tools/quic_test_utils.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "net/quic/core/crypto/crypto_framer.h"
@@ skipping 626 matching lines @@
     QuicPacketNumber packet_number,
     const string& data,
     QuicConnectionIdLength connection_id_length,
     QuicPacketNumberLength packet_number_length,
     QuicVersionVector* versions,
     Perspective perspective) {
   QuicPacketHeader header;
   header.public_header.connection_id = connection_id;
   header.public_header.connection_id_length = connection_id_length;
   header.public_header.version_flag = version_flag;
-  header.public_header.multipath_flag = false;
   header.public_header.reset_flag = reset_flag;
   header.public_header.packet_number_length = packet_number_length;
   header.packet_number = packet_number;
   QuicStreamFrame stream_frame(1, false, 0, QuicStringPiece(data));
   QuicFrame frame(&stream_frame);
   QuicFrames frames;
   frames.push_back(frame);
   QuicFramer framer(
       versions != nullptr ? *versions : CurrentSupportedVersions(),
       QuicTime::Zero(), perspective);
@@ skipping 217 matching lines @@
 QuicStreamId GetNthClientInitiatedStreamId(QuicVersion version, int n) {
   return 5 + NextStreamId(version) * n;
 }
 
 QuicStreamId GetNthServerInitiatedStreamId(QuicVersion version, int n) {
   return 2 + NextStreamId(version) * n;
 }
 
 }  // namespace test
 }  // namespace net