DevTools: Clean up the Event Listeners pane data representation

Source/devtools/front_end/elements/EventListenersSidebarPane.js

Index: Source/devtools/front_end/elements/EventListenersSidebarPane.js
diff --git a/Source/devtools/front_end/elements/EventListenersSidebarPane.js b/Source/devtools/front_end/elements/EventListenersSidebarPane.js
index 2e4abb180f39a38dadb6b6350240dd4ea41c5371..946f9dff987eb23e1c85f807a11a2bd8b58f084c 100644
--- a/Source/devtools/front_end/elements/EventListenersSidebarPane.js
+++ b/Source/devtools/front_end/elements/EventListenersSidebarPane.js
@@ -211,19 +211,14 @@ WebInspector.EventListenerBar.prototype = {
             var properties = [];
             var payload = this._eventListener.payload();
 
-            properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("type", payload.type));
             properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("useCapture", payload.useCapture));
-            properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("isAttribute", payload.isAttribute));
+            properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("attachment", payload.isAttribute ? "attribute" : "script"));
             if (nodeObject)
                 properties.push(new WebInspector.RemoteObjectProperty("node", nodeObject));
             if (typeof payload.handler !== "undefined") {
                 var remoteObject = this._runtimeModel.createRemoteObject(payload.handler);
                 properties.push(new WebInspector.RemoteObjectProperty("handler", remoteObject));
             }
-            properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("listenerBody", payload.handlerBody));
-            if (payload.sourceName)
-                properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("sourceName", payload.sourceName));
-            properties.push(this._runtimeModel.createRemotePropertyFromPrimitiveValue("lineNumber", payload.location.lineNumber + 1));
 
             this.updateProperties(properties);
         }