Migrates QUIC sessions to a new network when old network is (about to be) disconnected.

net/quic/test_tools/quic_test_packet_maker.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.
 //
 // Provides a simple interface for QUIC tests to create a variety of packets.
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_
 
 #include <stddef.h>
@@ skipping 12 matching lines @@
 
 class QuicTestPacketMaker {
  public:
   QuicTestPacketMaker(QuicVersion version,
                       QuicConnectionId connection_id,
                       MockClock* clock,
                       const std::string& host);
   ~QuicTestPacketMaker();
 
   void set_hostname(const std::string& host);
+  scoped_ptr<QuicEncryptedPacket> MakePingPacket(QuicPacketNumber num,
+                                                 bool include_version);
   scoped_ptr<QuicEncryptedPacket> MakeRstPacket(
       QuicPacketNumber num,
       bool include_version,
       QuicStreamId stream_id,
       QuicRstStreamErrorCode error_code);
   scoped_ptr<QuicEncryptedPacket> MakeAckAndRstPacket(
       QuicPacketNumber num,
       bool include_version,
       QuicStreamId stream_id,
       QuicRstStreamErrorCode error_code,
@@ skipping 83 matching lines @@
   MockRandom random_generator_;
   QuicPacketHeader header_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicTestPacketMaker);
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_PACKET_MAKER_H_