Remove timing limitation of SetOption invocation for PPAPI 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 d3796c363281e7e84c5bdeb3549834fdeac240cb..a0e7f917ae509872f17c014be5297497edf5e254 100644
--- a/net/udp/datagram_server_socket.h
+++ b/net/udp/datagram_server_socket.h
@@ -64,12 +64,18 @@ class NET_EXPORT DatagramServerSocket : public DatagramSocket {
   virtual int SetSendBufferSize(int32 size) = 0;
 
   // Allow the socket to share the local address to which the socket will
-  // be bound with other processes. Should be called before Listen().
-  virtual void AllowAddressReuse() = 0;
+  // be bound with other processes.
+  virtual int AllowAddressReuse() = 0;
+
+  // Disallow the socket to share the local address to which the socket will
+  // be bound with other processes.
+  virtual int DisallowAddressReuse() = 0;
 
   // Allow sending and receiving packets to and from broadcast addresses.
-  // Should be called before Listen().
-  virtual void AllowBroadcast() = 0;
+  virtual int AllowBroadcast() = 0;
+
+  // Disallow sending and receiving packets to and from broadcast addresses.
+  virtual int DisallowBroadcast() = 0;
 
   // Join the multicast group with address |group_address|.
   // Returns a network error code.