Make TCPClientSocket* inherit from NonThreadSafe.

net/socket/tcp_client_socket_win.h

 // Copyright (c) 2010 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_TCP_CLIENT_SOCKET_WIN_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_WIN_H_
 
 #include <winsock2.h>
 
+#include "base/non_thread_safe.h"
 #include "base/object_watcher.h"
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_log.h"
 #include "net/socket/client_socket.h"
 
 namespace net {
 
 class BoundNetLog;
 
-class TCPClientSocketWin : public ClientSocket {
+class TCPClientSocketWin : public ClientSocket, NonThreadSafe {
  public:
   // The IP address(es) and port number to connect to.  The TCP socket will try
   // each IP address in the list until it succeeds in establishing a
   // connection.
   TCPClientSocketWin(const AddressList& addresses, net::NetLog* net_log);
 
   ~TCPClientSocketWin();
 
   // ClientSocket methods:
   virtual int Connect(CompletionCallback* callback);
@@ skipping 50 matching lines @@
   CompletionCallback* write_callback_;
 
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketWin);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_CLIENT_SOCKET_WIN_H_