Rename rendering/RenderScrollbar* to layout/LayoutScrollbar*

Source/core/paint/ScrollbarPainter.h

Index: Source/core/paint/ScrollbarPainter.h
diff --git a/Source/core/paint/ScrollbarPainter.h b/Source/core/paint/ScrollbarPainter.h
index b338bf2330532148d757cb4fd11d802cc7a06e10..c66431b43ac133a08af18265c8f5f8a40a78a7fc 100644
--- a/Source/core/paint/ScrollbarPainter.h
+++ b/Source/core/paint/ScrollbarPainter.h
@@ -13,18 +13,18 @@ class GraphicsContext;
 class IntRect;
 class LayoutPoint;
 class LayoutRect;
-class RenderScrollbar;
-class RenderScrollbarPart;
+class LayoutScrollbar;
+class LayoutScrollbarPart;
 
 class ScrollbarPainter {
 public:
-    ScrollbarPainter(RenderScrollbar& renderScrollbar) : m_renderScrollbar(renderScrollbar) { }
+    ScrollbarPainter(LayoutScrollbar& renderScrollbar) : m_renderScrollbar(renderScrollbar) { }
 
     void paintPart(GraphicsContext*, ScrollbarPart, const IntRect&);
-    static void paintIntoRect(RenderScrollbarPart*, GraphicsContext*, const LayoutPoint& paintOffset, const LayoutRect&);
+    static void paintIntoRect(LayoutScrollbarPart*, GraphicsContext*, const LayoutPoint& paintOffset, const LayoutRect&);
 
 private:
-    RenderScrollbar& m_renderScrollbar;
+    LayoutScrollbar& m_renderScrollbar;
 };
 
 } // namespace blink