Added broadcasting feature to UDP server sockets.

net/udp/datagram_server_socket.h

Index: net/udp/datagram_server_socket.h
diff --git a/net/udp/datagram_server_socket.h b/net/udp/datagram_server_socket.h
index 759b0e42709a581bb1b6c27a8290bc2f9a41b3c5..206f2f56e97461e9161e2b53a68f74ca0ccd2634 100644
--- a/net/udp/datagram_server_socket.h
+++ b/net/udp/datagram_server_socket.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -59,6 +59,14 @@ class NET_EXPORT DatagramServerSocket : public DatagramSocket {
 
   // Set the send buffer size (in bytes) for the socket.
   virtual bool SetSendBufferSize(int32 size) = 0;
+
+  // Allow the socket to share the local address to which socket will
+  // be bound with other processes. Should be called before Listen().
+  virtual void AllowAddressReuse() = 0;
+
+  // Allow sending and receiving packets sent to and from broadcast
+  // addresses. Should be called before Listen().
+  virtual void AllowBroadcast() = 0;
 };
 
 }  // namespace net