diff -r 000000000000 -r 6474c204b198 image/public/imgIScriptedNotificationObserver.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/image/public/imgIScriptedNotificationObserver.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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"
+
+interface imgIRequest;
+
+[scriptable, uuid(10be55b3-2029-41a7-a975-538efed250ed)]
+interface imgIScriptedNotificationObserver : nsISupports
+{
+  void sizeAvailable(in imgIRequest aRequest);
+  void frameUpdate(in imgIRequest aRequest);
+  void frameComplete(in imgIRequest aRequest);
+  void loadComplete(in imgIRequest aRequest);
+  void decodeComplete(in imgIRequest aRequest);
+  void discard(in imgIRequest aRequest);
+  void isAnimated(in imgIRequest aRequest);
+};