Move the remaining rendering/svg/RenderSVG* files to layout.

Source/core/paint/SVGRootPainter.h

Index: Source/core/paint/SVGRootPainter.h
diff --git a/Source/core/paint/SVGRootPainter.h b/Source/core/paint/SVGRootPainter.h
index 4494473de9c51f675a71a21da661a76f4a95791a..3c1741b69941070a404258c4db399903ab9e088a 100644
--- a/Source/core/paint/SVGRootPainter.h
+++ b/Source/core/paint/SVGRootPainter.h
@@ -9,16 +9,16 @@ namespace blink {
 
 struct PaintInfo;
 class LayoutPoint;
-class RenderSVGRoot;
+class LayoutSVGRoot;
 
 class SVGRootPainter {
 public:
-    SVGRootPainter(RenderSVGRoot& renderSVGRoot) : m_renderSVGRoot(renderSVGRoot) { }
+    SVGRootPainter(LayoutSVGRoot& renderSVGRoot) : m_renderSVGRoot(renderSVGRoot) { }
 
     void paint(const PaintInfo&, const LayoutPoint&);
 
 private:
-    RenderSVGRoot& m_renderSVGRoot;
+    LayoutSVGRoot& m_renderSVGRoot;
 };
 
 } // namespace blink