[DevTools] Extracted EventListenersTreeOutline

LayoutTests/http/tests/inspector/elements-test.js

Index: LayoutTests/http/tests/inspector/elements-test.js
diff --git a/LayoutTests/http/tests/inspector/elements-test.js b/LayoutTests/http/tests/inspector/elements-test.js
index f3ee7635c92e307dbb81e829cc1cd01e8aaf34d9..3497e2343c14fb2ce7864c0463f4d1d666c0cd00 100644
--- a/LayoutTests/http/tests/inspector/elements-test.js
+++ b/LayoutTests/http/tests/inspector/elements-test.js
@@ -413,14 +413,14 @@ InspectorTest.toggleMatchedStyleProperty = function(propertyName, checked)
 
 InspectorTest.expandAndDumpSelectedElementEventListeners = function(callback)
 {
-    InspectorTest.addSniffer(WebInspector.EventListenersSidebarPane.prototype, "_onEventListeners", listenersArrived);
+    InspectorTest.addSniffer(WebInspector.EventListenersSidebarPane.prototype, "_eventListenersArivedForTest", listenersArrived);
 
     var sidebarPane = WebInspector.panels.elements.sidebarPanes.eventListeners;
     sidebarPane.expand();
 
     function listenersArrived()
     {
-        var listenerTypes = sidebarPane._treeOutline.rootElement().children();
+        var listenerTypes = sidebarPane._eventListenersTreeOutline._treeOutline.rootElement().children();
         for (var i = 0; i < listenerTypes.length; ++i) {
             listenerTypes[i].expand();
             var listenerItems = listenerTypes[i].children();
@@ -432,7 +432,7 @@ InspectorTest.expandAndDumpSelectedElementEventListeners = function(callback)
 
     function objectsExpanded()
     {
-        var listenerTypes = sidebarPane._treeOutline.rootElement().children();
+        var listenerTypes = sidebarPane._eventListenersTreeOutline._treeOutline.rootElement().children();
         for (var i = 0; i < listenerTypes.length; ++i) {
             var eventType = listenerTypes[i]._title;
             InspectorTest.addResult("");