[WIP] Adding support for <iframe>s to slimming paint.

Source/core/paint/PartPainter.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 SVGRootPainter_h
-#define SVGRootPainter_h
+#ifndef PartPainter_h
+#define PartPainter_h
 
 namespace blink {
 
+class LayoutPoint;
 struct PaintInfo;
-class LayoutPoint;
-class RenderSVGRoot;
+class RenderPart;
 
-class SVGRootPainter {
+class PartPainter {

[chrishtr, 2014/11/01 23:44:10]

Like Levi said, please split off the PartPainter refactor into a separate CL and
commit it first.

[trchen, 2014/11/02 10:36:46]

Acknowledged.

 public:
-    SVGRootPainter(RenderSVGRoot& renderSVGRoot) : m_renderSVGRoot(renderSVGRoot) { }
+    PartPainter(RenderPart& renderPart) : m_renderPart(renderPart) { }
 
     void paint(PaintInfo&, const LayoutPoint&);
 
 private:
-    RenderSVGRoot& m_renderSVGRoot;
+    void paintContents(PaintInfo&, const LayoutPoint&);
+
+    RenderPart& m_renderPart;
 };
 
 } // namespace blink
 
-#endif // SVGRootPainter_h
+#endif // PartPainter_h