Revert of Enable socketservers unittests on windows

webrtc/base/socket_unittest.h

 /*
  *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 47 matching lines @@
   void TestGetSetOptionsIPv4();
   void TestGetSetOptionsIPv6();
   void TestSocketRecvTimestamp();
 
   static const int kTimeout = 5000;  // ms
   const IPAddress kIPv4Loopback;
   const IPAddress kIPv6Loopback;
 
  protected:
   void TcpInternal(const IPAddress& loopback, size_t data_size,
-      ptrdiff_t max_send_size);
+      ssize_t max_send_size);
 
  private:
   void ConnectInternal(const IPAddress& loopback);
   void ConnectWithDnsLookupInternal(const IPAddress& loopback,
                                     const std::string& host);
   void ConnectFailInternal(const IPAddress& loopback);
 
   void ConnectWithDnsLookupFailInternal(const IPAddress& loopback);
   void ConnectWithClosedSocketInternal(const IPAddress& loopback);
   void ConnectWhileNotClosedInternal(const IPAddress& loopback);
@@ skipping 11 matching lines @@
   SocketServer* ss_;
 };
 
 // For unbound sockets, GetLocalAddress / GetRemoteAddress return AF_UNSPEC
 // values on Windows, but an empty address of the same family on Linux/MacOS X.
 bool IsUnspecOrEmptyIP(const IPAddress& address);
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SOCKET_UNITTEST_H_