diff -r 000000000000 -r 6474c204b198 dom/network/interfaces/nsIUDPSocketChild.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/network/interfaces/nsIUDPSocketChild.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+#include "nsINetAddr.idl"
+
+interface nsIUDPSocketInternal;
+
+%{ C++
+namespace mozilla {
+namespace net {
+union NetAddr;
+}
+}
+%}
+native NetAddr(mozilla::net::NetAddr);
+[ptr] native NetAddrPtr(mozilla::net::NetAddr);
+
+[scriptable, uuid(B47E5A0F-D384-48EF-8885-4259793D9CF0)]
+interface nsIUDPSocketChild : nsISupports
+{
+  readonly attribute unsigned short localPort;
+  readonly attribute AUTF8String localAddress;
+  attribute AUTF8String filterName;
+
+  // Tell the chrome process to bind the UDP socket to a given local host and port
+  void bind(in nsIUDPSocketInternal socket, in AUTF8String host, in unsigned short port);
+
+  // Tell the chrome process to perform equivalent operations to all following methods
+  void send(in AUTF8String host, in unsigned short port,
+            [const, array, size_is(byteLength)] in uint8_t bytes,
+            in unsigned long byteLength);
+  // Send without DNS query
+  void sendWithAddr(in nsINetAddr addr,
+                    [const, array, size_is(byteLength)] in uint8_t bytes,
+                    in unsigned long byteLength);
+  [noscript] void sendWithAddress([const] in NetAddrPtr addr,
+                                  [const, array, size_is(byteLength)] in uint8_t bytes,
+                                  in unsigned long byteLength);
+  void close();
+};
+
+/*
+ * Internal interface for callback from chrome process
+ */
+[scriptable, uuid(1E27E9B3-C1C8-4B05-A415-1A2C1A641C60)]
+interface nsIUDPSocketInternal : nsISupports
+{
+  void callListenerError(in AUTF8String type, in AUTF8String message, in AUTF8String filename,
+                         in uint32_t lineNumber, in uint32_t columnNumber);
+  void callListenerReceivedData(in AUTF8String type, in AUTF8String host, in unsigned short port,
+                                [array, size_is(dataLength)] in uint8_t data,
+                                in unsigned long dataLength);
+  void callListenerVoid(in AUTF8String type);
+  void callListenerSent(in AUTF8String type, in nsresult status);
+  void updateReadyState(in AUTF8String readyState);
+};