Moving all the PlatformEvent subclasses from core/platform to platform

Source/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #ifndef EventHandler_h
 #define EventHandler_h
 
 #include "core/editing/TextGranularity.h"
 #include "core/events/TextEventInputType.h"
 #include "core/page/DragActions.h"
 #include "core/page/FocusDirection.h"
 #include "core/platform/Cursor.h"
-#include "core/platform/PlatformMouseEvent.h"
 #include "core/rendering/HitTestRequest.h"
+#include "platform/PlatformMouseEvent.h"
 #include "platform/Timer.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
@@ skipping 320 matching lines @@
     double m_maxMouseMovedDuration;
     PlatformEvent::Type m_baseEventType;
     bool m_didStartDrag;
 
     bool m_longTapShouldInvokeContextMenu;
 };
 
 } // namespace WebCore
 
 #endif // EventHandler_h