Remove pointless uses of EventInit

Source/core/html/track/TrackListBase.h

Index: Source/core/html/track/TrackListBase.h
diff --git a/Source/core/html/track/TrackListBase.h b/Source/core/html/track/TrackListBase.h
index 24405a482d787507b6db05e9ae3ded83a501857b..82851ddc5df9e7c5066dbfbc1b6ff1844067891f 100644
--- a/Source/core/html/track/TrackListBase.h
+++ b/Source/core/html/track/TrackListBase.h
@@ -101,10 +101,7 @@ public:
 
     void scheduleChangeEvent()
     {
-        EventInit initializer;
-        initializer.bubbles = false;
-        initializer.cancelable = false;
-        RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::change, initializer);
+        RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::change);
         event->setTarget(this);
         m_mediaElement->scheduleEvent(event);
     }