[DevTools] Support JQuery event listeners

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

 var initialize_ElementTest = function() {
 
 InspectorTest.preloadPanel("elements");
 
 InspectorTest.inlineStyleSection = function()
 {
     return WebInspector.panels.elements.sidebarPanes.styles._sectionBlocks[0].sections[0];
 }
 
 InspectorTest.computedStyleWidget = function()
@@ skipping 426 matching lines @@
     }
 
     function objectsExpanded()
     {
         var listenerTypes = eventListenersWidget._eventListenersView._treeOutline.rootElement().children();
         for (var i = 0; i < listenerTypes.length; ++i) {
             var eventType = listenerTypes[i]._title;
             InspectorTest.addResult("");
             InspectorTest.addResult("======== " + eventType + " ========");
             var listenerItems = listenerTypes[i].children();
-            for (var j = 0; j < listenerItems.length; ++j)
+            for (var j = 0; j < listenerItems.length; ++j) {
+                InspectorTest.addResult("== " + listenerItems[j].listenerType());
                 InspectorTest.dumpObjectPropertyTreeElement(listenerItems[j]);
+            }
         }
         callback();
     }
 }
 
 InspectorTest.dumpObjectPropertyTreeElement = function(treeElement)
 {
     var expandedSubstring = treeElement.expanded ? "[expanded]" : "[collapsed]";
     InspectorTest.addResult(expandedSubstring + " " + treeElement.listItemElement.deepTextContent());
 
@@ skipping 535 matching lines @@
             for (var ui of nodeRow.animations) {
                 InspectorTest.addResult(ui.animation().type());
                 InspectorTest.addResult(ui._nameElement.outerHTML);
                 InspectorTest.addResult(ui._svg.outerHTML);
             }
         }
     }
 }
 
 };