diff -r 7e26c7da4463 -r fc2d59ddac77 netwerk/cookie/nsICookie2.idl
--- a/netwerk/cookie/nsICookie2.idl	Wed Dec 31 06:55:50 2014 +0100
+++ b/netwerk/cookie/nsICookie2.idl	Wed Dec 31 07:22:50 2014 +0100
@@ -11,12 +11,17 @@
  * access of cookie objects
  */
 
-[scriptable, uuid(05c420e5-03d0-4c7b-a605-df7ebe5ca326)]
+[scriptable, uuid(9468A7E6-37B3-43CE-A081-377BC12C5BB7)]
 
 interface nsICookie2 : nsICookie
 {
 
     /**
+     * the origin key of the cookie.
+     */
+    readonly attribute ACString origin;
+
+    /**
      * the host (possibly fully qualified) of the cookie,
      * without a leading dot to represent if it is a
      * domain cookie.