Bind a socket to a network if the network handle is set.

webrtc/base/socketserver.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 21 matching lines @@
   virtual void SetMessageQueue(MessageQueue* queue) {}
 
   // Sleeps until:
   //  1) cms milliseconds have elapsed (unless cms == kForever)
   //  2) WakeUp() is called
   // While sleeping, I/O is performed if process_io is true.
   virtual bool Wait(int cms, bool process_io) = 0;
 
   // Causes the current wait (if one is in progress) to wake up.
   virtual void WakeUp() = 0;
+
+  // A network binder will bind the created sockets to a network.
+  virtual void MaybeSetNetworkBinder() {}
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SOCKETSERVER_H_