[DevTools] Event Listeners Sidebar shows window listeners

Source/core/inspector/InjectedScript.cpp

Index: Source/core/inspector/InjectedScript.cpp
diff --git a/Source/core/inspector/InjectedScript.cpp b/Source/core/inspector/InjectedScript.cpp
index d3191984f52a56d211456af04daf61352165009c..c90a71155493e3e395e3b8eb0399f3a20cf3ad8e 100644
--- a/Source/core/inspector/InjectedScript.cpp
+++ b/Source/core/inspector/InjectedScript.cpp
@@ -257,6 +257,13 @@ Node* InjectedScript::nodeForObjectId(const String& objectId)
     return InjectedScriptHost::scriptValueAsNode(scriptState(), resultValue);
 }
 
+EventTarget* InjectedScript::eventTargetForObjectId(const String& objectId)
+{
+    if (isEmpty() || !canAccessInspectedWindow())
+        return nullptr;
+    return InjectedScriptHost::scriptValueAsEventTarget(scriptState(), findObjectById(objectId));
+}
+
 void InjectedScript::releaseObject(const String& objectId)
 {
     RefPtr<JSONValue> parsedObjectId = parseJSON(objectId);