Remove pointless uses of EventInit

Source/core/html/track/TrackListBase.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TrackListBase_h
 #define TrackListBase_h
 
 #include "core/events/EventTarget.h"
 
 #include "core/html/HTMLMediaElement.h"
@@ skipping 83 matching lines @@
     void removeAll()
     {
         for (unsigned i = 0; i < m_tracks.size(); ++i)
             m_tracks[i]->setMediaElement(0);
 
         m_tracks.clear();
     }
 
     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);
     }
 
     Node* owner() const { return m_mediaElement; }
 
     void trace(Visitor* visitor)
     {
         visitor->trace(m_tracks);
         visitor->trace(m_mediaElement);
@@ skipping 12 matching lines @@
         m_mediaElement->scheduleEvent(event);
     }
 
     WillBeHeapVector<RefPtrWillBeMember<T> > m_tracks;
     RawPtrWillBeMember<HTMLMediaElement> m_mediaElement;
 };
 
 }
 
 #endif