Move SVG inline flow box paint code to SVGInlineFlowBoxPainter

Source/core/paint/SVGInlineFlowBoxPainter.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 SVGInlineFlowBoxPainter_h
+#define SVGInlineFlowBoxPainter_h
+
+namespace blink {
+
+struct PaintInfo;
+class LayoutPoint;
+class SVGInlineFlowBox;
+
+class SVGInlineFlowBoxPainter {
+public:
+    SVGInlineFlowBoxPainter(SVGInlineFlowBox& svgInlineFlowBox) : m_svgInlineFlowBox(svgInlineFlowBox) { }
+
+    void paintSelectionBackground(PaintInfo&);
+    void paint(PaintInfo&, const LayoutPoint&);
+
+private:
+    SVGInlineFlowBox& m_svgInlineFlowBox;
+};
+
+} // namespace blink
+
+#endif // SVGInlineFlowBoxPainter_h