Revert 261966 "make SetReceiveBufferSize and SetSendBufferSize r..."

trunk/src/net/udp/datagram_server_socket.h

Index: trunk/src/net/udp/datagram_server_socket.h
===================================================================
--- trunk/src/net/udp/datagram_server_socket.h	(revision 262001)
+++ trunk/src/net/udp/datagram_server_socket.h	(working copy)
@@ -56,12 +56,10 @@
                      const CompletionCallback& callback) = 0;
 
   // Set the receive buffer size (in bytes) for the socket.
-  // Returns a net error code.
-  virtual int SetReceiveBufferSize(int32 size) = 0;
+  virtual bool SetReceiveBufferSize(int32 size) = 0;
 
   // Set the send buffer size (in bytes) for the socket.
-  // Returns a net error code.
-  virtual int SetSendBufferSize(int32 size) = 0;
+  virtual bool 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().