[DevTools] Event Listeners Sidebar shows window listeners

Source/devtools/front_end/sdk/RuntimeModel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 470 matching lines @@
             if (prefix.length && !property.startsWith(prefix))
                 continue;
 
             results.push(property);
         }
         completionsReadyCallback(results);
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }
+
+/**
+ * @constructor
+ * @extends {WebInspector.EventListener<RuntimeAgent.EventListener>}
+ * @param {!WebInspector.Target} target
+ * @param {!RuntimeAgent.EventListener} payload
+ * @param {string} description
+ */
+WebInspector.RuntimeModel.ObjectEventListener = function(target, payload, description)
+{
+    WebInspector.EventListener.call(this, target, payload);
+    this._description = description;
+}
+
+WebInspector.RuntimeModel.ObjectEventListener.prototype = {
+    /**
+     * @override
+     * @return {boolean}
+     */
+    isObjectEventListener: function()
+    {
+        return true;
+    },
+
+    /**
+     * @return {string}
+     */
+    description: function()
+    {
+        return this._description;
+    },
+
+    __proto__: WebInspector.EventListener.prototype
+}