Move rendering/RenderObject to layout/LayoutObject.

Source/core/rendering/RenderScrollbarPart.h

 /*
  * Copyright (C) 2008 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 54 matching lines @@
     {
         ASSERT(isIntegerValue(RenderBlock::marginLeft()));
         return RenderBlock::marginLeft();
     }
     virtual LayoutUnit marginRight() const override
     {
         ASSERT(isIntegerValue(RenderBlock::marginRight()));
         return RenderBlock::marginRight();
     }
 
-    virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectRenderScrollbarPart || RenderBlock::isOfType(type); }
-    RenderObject* rendererOwningScrollbar() const;
+    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectRenderScrollbarPart || RenderBlock::isOfType(type); }
+    LayoutObject* rendererOwningScrollbar() const;
 
 protected:
     virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) override;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
     virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override;
 
 private:
     RenderScrollbarPart(RenderScrollbar*, ScrollbarPart);
 
     virtual void computePreferredLogicalWidths() override;
@@ skipping 14 matching lines @@
     void layoutHorizontalPart();
     void layoutVerticalPart();
 
     void computeScrollbarWidth();
     void computeScrollbarHeight();
 
     RenderScrollbar* m_scrollbar;
     ScrollbarPart m_part;
 };
 
-DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderScrollbarPart, isRenderScrollbarPart());
+DEFINE_LAYOUT_OBJECT_TYPE_CASTS(RenderScrollbarPart, isRenderScrollbarPart());
 
 } // namespace blink
 
 #endif // RenderScrollbarPart_h