Deleted unused method EstimateMTU, and the WinPing class.

webrtc/base/win32socketserver.h

 /*
  *  Copyright 2004 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 37 matching lines @@
   virtual int RecvFrom(void* buffer,
                        size_t length,
                        SocketAddress* out_addr,
                        int64_t* timestamp);
   virtual int Listen(int backlog);
   virtual Win32Socket *Accept(SocketAddress *out_addr);
   virtual int Close();
   virtual int GetError() const;
   virtual void SetError(int error);
   virtual ConnState GetState() const;
-  virtual int EstimateMTU(uint16_t* mtu);
   virtual int GetOption(Option opt, int* value);
   virtual int SetOption(Option opt, int value);
 
  private:
   void CreateSink();
   bool SetAsync(int events);
   int DoConnect(const SocketAddress& addr);
   bool HandleClosed(int close_error);
   void PostClosed();
   void UpdateLastError();
@@ skipping 85 matching lines @@
   DWORD id_;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc
 
 #endif  // WEBRTC_WIN
 
 #endif  // WEBRTC_BASE_WIN32SOCKETSERVER_H_