Removing HTTPS and SOCKS proxy server code.

webrtc/base/proxyserver.cc

 /*
  *  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 131 matching lines @@
   int written;
   const void* p = buffer->GetReadData(&size);
   written = socket->Send(p, size);
   buffer->ConsumeReadData(std::max(written, 0));
 }
 
 void ProxyBinding::Destroy() {
   SignalDestroyed(this);
 }
 
-AsyncProxyServerSocket* SocksProxyServer::WrapSocket(AsyncSocket* socket) {
-  return new AsyncSocksProxyServerSocket(socket);
-}
-
 }  // namespace rtc