Merge branch 'MAGETWO-32234' into PR-bugs

Conflicts:
	lib/web/mage/menu.js

Author: slopok

lib/web/mage/menu.js

@@ -378,13 +378,8 @@ define([
                 }, 300);
             }
         },
-        _delay: function( handler, delay ) {
-            function handlerProxy() {
-                return ( typeof handler === "string" ? instance[ handler ] : handler )
-                    .apply( instance, arguments );
-            }
-            var instance = this;
-            return setTimeout( handlerProxy, delay || 0 );
+        _delay: function(handler, delay) {
+            this._super(handler, delay);
         }
     });