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

net/socket/socket_test_util.h

 // 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.
 
 #ifndef NET_SOCKET_SOCKET_TEST_UTIL_H_
 #define NET_SOCKET_SOCKET_TEST_UTIL_H_
 
 #include <stdint.h>
 
 #include <cstring>
@@ skipping 843 matching lines @@
 
   // DatagramSocket implementation.
   void Close() override;
   int GetPeerAddress(IPEndPoint* address) const override;
   int GetLocalAddress(IPEndPoint* address) const override;
   const BoundNetLog& NetLog() const override;
 
   // DatagramClientSocket implementation.
   int BindToNetwork(NetworkChangeNotifier::NetworkHandle network) override;
   int BindToDefaultNetwork() override;
-  NetworkChangeNotifier::NetworkHandle GetBoundNetwork() override;
+  NetworkChangeNotifier::NetworkHandle GetBoundNetwork() const override;
   int Connect(const IPEndPoint& address) override;
 
   void set_source_port(uint16 port) { source_port_ = port; }
 
  private:
   bool connected_;
   IPEndPoint peer_address_;
   DeterministicSocketHelper helper_;
   uint16 source_port_;  // Ephemeral source port.
 
@@ skipping 109 matching lines @@
 
   // DatagramSocket implementation.
   void Close() override;
   int GetPeerAddress(IPEndPoint* address) const override;
   int GetLocalAddress(IPEndPoint* address) const override;
   const BoundNetLog& NetLog() const override;
 
   // DatagramClientSocket implementation.
   int BindToNetwork(NetworkChangeNotifier::NetworkHandle network) override;
   int BindToDefaultNetwork() override;
-  NetworkChangeNotifier::NetworkHandle GetBoundNetwork() override;
+  NetworkChangeNotifier::NetworkHandle GetBoundNetwork() const override;
   int Connect(const IPEndPoint& address) override;
 
   // AsyncSocket implementation.
   void OnReadComplete(const MockRead& data) override;
   void OnWriteComplete(int rv) override;
   void OnConnectComplete(const MockConnect& data) override;
   void OnDataProviderDestroyed() override;
 
   void set_source_port(uint16 port) { source_port_ = port;}
 
@@ skipping 288 matching lines @@
 
 // Helper function to get the total data size of the MockReads in |reads|.
 int64_t CountReadBytes(const MockRead reads[], size_t reads_size);
 
 // Helper function to get the total data size of the MockWrites in |writes|.
 int64_t CountWriteBytes(const MockWrite writes[], size_t writes_size);
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SOCKET_TEST_UTIL_H_