Factor SVG root painter code into SVGRootPainter

Source/core/paint/SVGRootPainter.h

Index: Source/core/paint/SVGRootPainter.h
diff --git a/Source/core/paint/ReplacedPainter.h b/Source/core/paint/SVGRootPainter.h
similarity index 55%
copy from Source/core/paint/ReplacedPainter.h
copy to Source/core/paint/SVGRootPainter.h
index fd7430998a121333d74a0190e5ae5987cb0b9f53..0c169dec2454c2df91701c918cf5e37631638981 100644
--- a/Source/core/paint/ReplacedPainter.h
+++ b/Source/core/paint/SVGRootPainter.h
@@ -2,25 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ReplacedPainter_h
-#define ReplacedPainter_h
+#ifndef SVGRootPainter_h
+#define SVGRootPainter_h
 
 namespace blink {
 
 struct PaintInfo;
 class LayoutPoint;
-class RenderReplaced;
+class RenderSVGRoot;
 
-class ReplacedPainter {
+class SVGRootPainter {
 public:
-    ReplacedPainter(RenderReplaced& renderReplaced) : m_renderReplaced(renderReplaced) { }
+    SVGRootPainter(RenderSVGRoot& renderSVGRoot) : m_renderSVGRoot(renderSVGRoot) { }
 
     void paint(PaintInfo&, const LayoutPoint&);
 
 private:
-    RenderReplaced& m_renderReplaced;
+    RenderSVGRoot& m_renderSVGRoot;
 };
 
 } // namespace blink
 
-#endif // ReplacedPainter_h
+#endif // SVGRootPainter_h