Backed out changeset 3876241cc1ec (bug 1558506) for mochitest failrues at test_contextmenu_list.xul. CLOSED TREE

browser/actors/ContextMenuChild.jsm

@@ -525,12 +525,6 @@ class ContextMenuChild extends JSWindowActorChild {
     let context = this.context;
     this.target = context.target;
 
-    // _setContext may have determined that we don't actually want to open a contextmenu
-    // for this event, in which case we can bail out early.
-    if (!context.shouldDisplay) {
-      return;
-    }
-
     let spellInfo = null;
     let editFlags = null;
     let principal = null;