[DevTools] Event Listeners Sidebar shows window listeners

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 781 matching lines @@
                     { "name": "get", "$ref": "RemoteObject", "optional": true, "description": "A function which serves as a getter for the property, or <code>undefined</code> if there is no getter (accessor descriptors only)." },
                     { "name": "set", "$ref": "RemoteObject", "optional": true, "description": "A function which serves as a setter for the property, or <code>undefined</code> if there is no setter (accessor descriptors only)." },
                     { "name": "configurable", "type": "boolean", "description": "True if the type of this property descriptor may be changed and if the property may be deleted from the corresponding object." },
                     { "name": "enumerable", "type": "boolean", "description": "True if this property shows up during enumeration of the properties on the corresponding object." },
                     { "name": "wasThrown", "type": "boolean", "optional": true, "description": "True if the result was thrown during the evaluation." },
                     { "name": "isOwn", "optional": true, "type": "boolean", "description": "True if the property is owned for the object.", "hidden": true },
                     { "name": "symbol", "$ref": "RemoteObject", "optional": true, "description": "Property symbol object, if the property is of the <code>symbol</code> type.", "hidden": true }
                 ]
             },
             {
+                "id": "EventListener",
+                "type": "object",
+                "hidden": true,
+                "properties": [
+                    { "name": "type", "type": "string", "description": "<code>EventListener</code>'s type." },
+                    { "name": "useCapture", "type": "boolean", "description": "<code>EventListener</code>'s useCapture." },
+                    { "name": "location", "$ref": "Debugger.Location", "description": "Handler code location." },
+                    { "name": "handler", "$ref": "Runtime.RemoteObject", "optional": true, "description": "Event handler function value." }
+                ],
+                "description": "DOM interaction is implemented in terms of mirror objects that represent the actual DOM nodes. DOMNode is a base node mirror type."
+            },
+            {
                 "id": "InternalPropertyDescriptor",
                 "type": "object",
                 "description": "Object internal property descriptor. This property isn't normally visible in JavaScript code.",
                 "properties": [
                     { "name": "name", "type": "string", "description": "Conventional property name." },
                     { "name": "value", "$ref": "RemoteObject", "optional": true, "description": "The value associated with the property." }
                 ],
                 "hidden": true
             },
             {
@@ skipping 67 matching lines @@
                     { "name": "accessorPropertiesOnly", "optional": true, "type": "boolean", "description": "If true, returns accessor properties (with getter/setter) only; internal properties are not returned either.", "hidden": true },
                     { "name": "generatePreview", "type": "boolean", "optional": true, "hidden": true, "description": "Whether preview should be generated for the results." }
                 ],
                 "returns": [
                     { "name": "result", "type": "array", "items": { "$ref": "PropertyDescriptor" }, "description": "Object properties." },
                     { "name": "internalProperties", "optional": true, "type": "array", "items": { "$ref": "InternalPropertyDescriptor" }, "description": "Internal object properties (only of the element itself).", "hidden": true }
                 ],
                 "description": "Returns properties of a given object. Object group of the result is inherited from the target object."
             },
             {
+                "name": "getEventListeners",
+                "hidden": true,
+                "parameters": [
+                    { "name": "objectId", "$ref": "RemoteObjectId", "description": "Identifier of the object to return properties for." },
+                    { "name": "objectGroup", "type": "string", "optional": true, "description": "Symbolic group name for handler value. Handler value is not returned without this parameter specified." }
+                ],
+                "returns": [
+                    { "name": "listeners", "type": "array", "items": { "$ref": "EventListener" }, "description": "Array of relevant listeners." }
+                ],
+                "description": "Returns event listeners of a given object."
+            },
+            {
                 "name": "releaseObject",
                 "parameters": [
                     { "name": "objectId", "$ref": "RemoteObjectId", "description": "Identifier of the object to release." }
                 ],
                 "description": "Releases remote object with given id."
             },
             {
                 "name": "releaseObjectGroup",
                 "parameters": [
                     { "name": "objectGroup", "type": "string", "description": "Symbolic object group name." }
@@ skipping 4207 matching lines @@
                 ],
                 "returns": [
                     { "name": "accessibilityNode", "$ref": "AXNode", "description": "The <code>Accessibility.AXNode</code> for this DOM node, if it exists.", "optional": true }
                 ],
                 "description": "Fetches the accessibility node for this DOM node, if it exists.",
                 "hidden": true
             }
         ]
     }]
 }