Added broadcasting feature to UDP server sockets.

net/udp/datagram_server_socket.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_UDP_DATAGRAM_SERVER_SOCKET_H_
 #define NET_UDP_DATAGRAM_SERVER_SOCKET_H_
 #pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/udp/datagram_socket.h"
@@ skipping 42 matching lines @@
   virtual int SendTo(IOBuffer* buf,
                      int buf_len,
                      const IPEndPoint& address,
                      const CompletionCallback& callback) = 0;
 
   // Set the receive buffer size (in bytes) for the socket.
   virtual bool SetReceiveBufferSize(int32 size) = 0;
 
   // Set the send buffer size (in bytes) for the socket.
   virtual bool SetSendBufferSize(int32 size) = 0;
+
+  // Makes the socket ready for broadcasting.
+  virtual void AllowBroadcast() = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_UDP_DATAGRAM_SERVER_SOCKET_H_