PopupSliderMenuItem: Add scroll method

This fixes fallout from 847cb5b972a04e7dc21c362a

https://bugzilla.gnome.org/show_bug.cgi?id=702849

diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index 3332fe97296689798cf878ee8debe43abe2ecbc7..28d1d26b7d5cad1c3b372b7c7b6b829970e851af 100644 (file)
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -527,6 +527,10 @@ const PopupSliderMenuItem = new Lang.Class({
 
     get value() {
         return this._slider.value;
+    },
+
+    scroll: function (event) {
+        this._slider.scroll(event);
     }
 });