Move paint code from RenderInline into InlinePainter.

Source/core/paint/InlinePainter.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 InlinePainter_h
+#define InlinePainter_h
+
+#include "core/rendering/style/RenderStyleConstants.h"
+
+namespace blink {
+
+class Color;
+class GraphicsContext;
+class LayoutPoint;
+class LayoutRect;
+struct PaintInfo;
+class RenderInline;
+
+class InlinePainter {
+public:
+    InlinePainter(RenderInline& renderInline) : m_renderInline(renderInline) { }
+
+    void paint(PaintInfo&, const LayoutPoint& paintOffset);
+    void paintOutline(PaintInfo&, const LayoutPoint& paintOffset);
+
+private:
+    void paintOutlineForLine(GraphicsContext*, const LayoutPoint&, const LayoutRect& prevLine, const LayoutRect& thisLine,
+        const LayoutRect& nextLine, const Color);
+    RenderInline& m_renderInline;
+};
+
+} // namespace blink
+
+#endif // InlinePainter_h