Refactoring: Add Event::createBubble.

Source/core/dom/Event.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 70 matching lines @@
     // cancelable.
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/webappapis.html#fire-a-simple-event
     static PassRefPtr<Event> create(const AtomicString& type)
     {
         return adoptRef(new Event(type, false, false));
     }
     static PassRefPtr<Event> createCancelable(const AtomicString& type)
     {
         return adoptRef(new Event(type, false, true));
     }
+    static PassRefPtr<Event> createBubble(const AtomicString& type)
+    {
+        return adoptRef(new Event(type, true, false));
+    }
     static PassRefPtr<Event> create(const AtomicString& type, bool canBubble, bool cancelable)
     {
         return adoptRef(new Event(type, canBubble, cancelable));
     }
 
     static PassRefPtr<Event> create(const AtomicString& type, const EventInit& initializer)
     {
         return adoptRef(new Event(type, initializer));
     }
 
@@ skipping 98 matching lines @@
     EventTarget* m_currentTarget;
     RefPtr<EventTarget> m_target;
     DOMTimeStamp m_createTime;
     RefPtr<Event> m_underlyingEvent;
     EventPath m_eventPath;
 };
 
 } // namespace WebCore
 
 #endif // Event_h