Move toEventTarget to EventTarget

third_party/WebKit/Source/core/events/EventTarget.cpp

Index: third_party/WebKit/Source/core/events/EventTarget.cpp
diff --git a/third_party/WebKit/Source/core/events/EventTarget.cpp b/third_party/WebKit/Source/core/events/EventTarget.cpp
index 427a8d917dc407f1f8f605423bffd08c5a9c1975..0e69098d272f67988352058bfc3149d7b4c0ef9a 100644
--- a/third_party/WebKit/Source/core/events/EventTarget.cpp
+++ b/third_party/WebKit/Source/core/events/EventTarget.cpp
@@ -737,6 +737,15 @@ DispatchEventResult EventTarget::dispatchEventResult(const Event& event) {
   return DispatchEventResult::NotCanceled;
 }
 
+// static
+EventTarget* EventTarget::toEventTarget(v8::Local<v8::Object> object) {
+  const WrapperTypeInfo* wrapperTypeInfo = toWrapperTypeInfo(object);
+  if (wrapperTypeInfo->eventTargetInheritance ==
+      WrapperTypeInfo::NotInheritFromEventTarget)
+    return nullptr;
+  return static_cast<EventTarget*>(toScriptWrappable(object));
+}
+
 EventListenerVector* EventTarget::getEventListeners(
     const AtomicString& eventType) {
   EventTargetData* data = eventTargetData();