DevTools: Clean up the Event Listeners pane data representation

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 16e19cb71c54a8787ceabde111b9ab17667195e6..cfd4d2d23a1d4539b6c8b852efd82cbc983a40e4 100644
--- a/LayoutTests/http/tests/inspector/elements-test.js
+++ b/LayoutTests/http/tests/inspector/elements-test.js
@@ -351,18 +351,11 @@ InspectorTest.expandAndDumpSelectedElementEventListeners = function(callback)
             var listenerItems = listenerTypes[i].children;
             for (var j = 0; j < listenerItems.length; ++j) {
                 var objectPropertiesSection = listenerItems[j].listItemElement.firstChild._section;
-                InspectorTest.dumpObjectPropertySection(objectPropertiesSection, {
-                    sourceName: formatSourceNameProperty
-                });
+                InspectorTest.dumpObjectPropertySection(objectPropertiesSection, {});
             }
         }
         callback();
     }
-
-    function formatSourceNameProperty(value)
-    {
-        return "[clipped-for-test]/" + value.replace(/(.*?\/)LayoutTests/, "LayoutTests");
-    }
 }
 
 InspectorTest.dumpObjectPropertySection = function(section, formatters)