Index: lib/elemHideHitRegistration.js
===================================================================
--- a/lib/elemHideHitRegistration.js
+++ b/lib/elemHideHitRegistration.js
@@ -121,17 +121,21 @@ HitRegistrationChannel.prototype = {
} catch(e) {}
}, this);
},
open: function()
{
let {Policy} = require("contentPolicy");
let {ElemHide} = require("elemHide");
- let data = "";
+
+ // This dummy binding below won't have any effect on the element. For
+ // elements that should be hidden however we don't return any binding at
+ // all, this makes Gecko stop constructing the node - it cannot be shown.
+ let data = "";
let filter = ElemHide.getFilterByKey(this.key);
if (filter)
{
let wnd = Utils.getRequestWindow(this);
if (wnd && wnd.document && !Policy.processNode(wnd, wnd.document, Policy.type.ELEMHIDE, filter))
data = "";
}