Revert of Allow the localhost IP address even if it does not match the tcp port address

webrtc/base/virtualsocketserver.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 104 matching lines @@
   bool ProcessMessagesUntilIdle();
 
   // Sets the next port number to use for testing.
   void SetNextPortForTesting(uint16_t port);
 
   // Close a pair of Tcp connections by addresses. Both connections will have
   // its own OnClose invoked.
   bool CloseTcpConnections(const SocketAddress& addr_local,
                            const SocketAddress& addr_remote);
 
-  // For testing purpose only. Fired when a client socket is created.
-  sigslot::signal1<VirtualSocket*> SignalSocketCreated;
-
  protected:
   // Returns a new IP not used before in this network.
   IPAddress GetNextIP(int family);
   uint16_t GetNextPort();
 
   VirtualSocket* CreateSocketInternal(int family, int type);
 
   // Binds the given socket to addr, assigning and IP and Port if necessary
   int Bind(VirtualSocket* socket, SocketAddress* addr);
 
@@ skipping 214 matching lines @@
 
   // Store the options that are set
   OptionsMap options_map_;
 
   friend class VirtualSocketServer;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_VIRTUALSOCKETSERVER_H_