Move paint code from RenderSVGForeignObject to SVGForeignObjectPainter

Source/core/paint/SVGForeignObjectPainter.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SVGForeignObjectPainter_h
+#define SVGForeignObjectPainter_h
+
+namespace blink {
+
+struct PaintInfo;
+class RenderSVGForeignObject;
+
+class SVGForeignObjectPainter {
+public:
+    SVGForeignObjectPainter(RenderSVGForeignObject& renderSVGForeignObject) : m_renderSVGForeignObject(renderSVGForeignObject) { }
+    void paint(PaintInfo&);
+
+private:
+    RenderSVGForeignObject& m_renderSVGForeignObject;
+};
+
+} // namespace blink
+
+#endif // SVGForeignObjectPainter_h