Update platform classes to use OVERRIDE / FINAL when needed

Source/platform/scroll/ScrollView.h

 /*
  * Copyright (C) 2004, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Holger Hans Peter Freyther
  *
  * 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
@@ skipping 196 matching lines @@
 
     // Widget override to update our scrollbars and notify our contents of the resize.
     virtual void setFrameRect(const IntRect&);
 
     // Widget override to notify our contents of a cliprect change.
     virtual void clipRectChanged() OVERRIDE;
 
     // For platforms that need to hit test scrollbars from within the engine's event handlers (like Win32).
     Scrollbar* scrollbarAtPoint(const IntPoint& windowPoint);
 
-    virtual IntPoint convertChildToSelf(const Widget* child, const IntPoint& point) const
+    virtual IntPoint convertChildToSelf(const Widget* child, const IntPoint& point) const OVERRIDE
     {
         IntPoint newPoint = point;
         if (!isScrollViewScrollbar(child))
             newPoint = point - scrollOffset();
         newPoint.moveBy(child->location());
         return newPoint;
     }
 
-    virtual IntPoint convertSelfToChild(const Widget* child, const IntPoint& point) const
+    virtual IntPoint convertSelfToChild(const Widget* child, const IntPoint& point) const OVERRIDE
     {
         IntPoint newPoint = point;
         if (!isScrollViewScrollbar(child))
             newPoint = point + scrollOffset();
         newPoint.moveBy(-child->location());
         return newPoint;
     }
 
     // Widget override. Handles painting of the contents of the view as well as the scrollbars.
-    virtual void paint(GraphicsContext*, const IntRect&);
+    virtual void paint(GraphicsContext*, const IntRect&) OVERRIDE;
     void paintScrollbars(GraphicsContext*, const IntRect&);
 
     // Widget overrides to ensure that our children's visibility status is kept up to date when we get shown and hidden.
-    virtual void show();
-    virtual void hide();
-    virtual void setParentVisible(bool);
+    virtual void show() OVERRIDE;
+    virtual void hide() OVERRIDE;
+    virtual void setParentVisible(bool) OVERRIDE;
 
     // Pan scrolling.
     static const int noPanScrollRadius = 15;
     void addPanScrollIcon(const IntPoint&);
     void removePanScrollIcon();
     void paintPanScrollIcon(GraphicsContext*);
 
     virtual bool isPointInScrollbarCorner(const IntPoint&);
     virtual bool scrollbarCornerPresent() const;
     virtual IntRect scrollCornerRect() const;
     virtual void paintScrollCorner(GraphicsContext*, const IntRect& cornerRect);
     virtual void paintScrollbar(GraphicsContext*, Scrollbar*, const IntRect&);
 
     virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const OVERRIDE;
     virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const OVERRIDE;
     virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const OVERRIDE;
     virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const OVERRIDE;
 
     void calculateAndPaintOverhangAreas(GraphicsContext*, const IntRect& dirtyRect);
     void calculateAndPaintOverhangBackground(GraphicsContext*, const IntRect& dirtyRect);
 
-    virtual bool isScrollView() const OVERRIDE { return true; }
+    virtual bool isScrollView() const OVERRIDE FINAL { return true; }
 
 protected:
     ScrollView();
 
     virtual void repaintContentRectangle(const IntRect&);
     virtual void paintContents(GraphicsContext*, const IntRect& damageRect) = 0;
 
     virtual void paintOverhangAreas(GraphicsContext*, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect);
 
     virtual void scrollbarExistenceDidChange() = 0;
@@ skipping 64 matching lines @@
     void updateOverhangAreas();
 
     int pageStep(ScrollbarOrientation) const;
 }; // class ScrollView
 
 DEFINE_TYPE_CASTS(ScrollView, Widget, widget, widget->isScrollView(), widget.isScrollView());
 
 } // namespace WebCore
 
 #endif // ScrollView_h