Move rendering/RenderGrid to layout/LayoutGrid

Source/core/paint/GridPainter.h

Index: Source/core/paint/GridPainter.h
diff --git a/Source/core/paint/GridPainter.h b/Source/core/paint/GridPainter.h
index 07e34ea7bb5b5f25d2dabc2d2d0518d7f8e5f6e5..9c33efb6e4e0e11b6fdeb67d91c81e0cc24e9b0b 100644
--- a/Source/core/paint/GridPainter.h
+++ b/Source/core/paint/GridPainter.h
@@ -10,16 +10,16 @@ namespace blink {
 struct PaintInfo;
 class LayoutPoint;
 class LayoutBox;
-class RenderGrid;
+class LayoutGrid;
 
 class GridPainter {
 public:
-    GridPainter(RenderGrid& renderGrid) : m_renderGrid(renderGrid) { }
+    GridPainter(LayoutGrid& layoutGrid) : m_layoutGrid(layoutGrid) { }
 
     void paintChildren(const PaintInfo&, const LayoutPoint&);
 
 private:
-    RenderGrid& m_renderGrid;
+    LayoutGrid& m_layoutGrid;
 };
 
 } // namespace blink