[DevTools] Event Listeners Sidebar shows window listeners

LayoutTests/inspector/elements/event-listener-sidebar.html

Index: LayoutTests/inspector/elements/event-listener-sidebar.html
diff --git a/LayoutTests/inspector/elements/event-listener-sidebar.html b/LayoutTests/inspector/elements/event-listener-sidebar.html
index b39315ddc902d45b2788af229aadc12cc3afdcae..40c289fc8a86c39c94c63ceb7df096e39c24d6bf 100644
--- a/LayoutTests/inspector/elements/event-listener-sidebar.html
+++ b/LayoutTests/inspector/elements/event-listener-sidebar.html
@@ -30,6 +30,9 @@ function setupEventListeners()
     EventListenerImpl.prototype.toString = function() { return "EventListenerImpl"; }
     EventListenerImpl.prototype.handleEvent = function() { console.log("click - document - handleEvent"); }
     new EventListenerImpl();
+
+    function scrollHandler(event) { console.log("scroll - window"); }
+    window.addEventListener("scroll", scrollHandler);
 }
 
 function test()