Remove PlatformWidget references

Source/WebCore/platform/Widget.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2010 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 15 matching lines @@
 #include "config.h"
 #include "Widget.h"
 
 #include "IntRect.h"
 #include "ScrollView.h"
 
 #include <wtf/Assertions.h>
 
 namespace WebCore {
 
-void Widget::init(PlatformWidget widget)
+void Widget::init()
 {
     m_parent = 0;
     m_selfVisible = false;
     m_parentVisible = false;
-    m_widget = widget;
-    if (m_widget)
-        retainPlatformWidget();
 }
 
 void Widget::setParent(ScrollView* view)
 {
     ASSERT(!view || !m_parent);
     if (!view || !view->isVisible())
         setParentVisible(false);
     m_parent = view;
     if (view && view->isVisible())
         setParentVisible(true);
@@ skipping 146 matching lines @@
     return parentPoint;
 }
 
 #if !PLATFORM(EFL)
 void Widget::frameRectsChanged()
 {
 }
 #endif
 
 } // namespace WebCore