Move paint code from RenderSVGForeignObject to SVGForeignObjectPainter

Source/core/rendering/svg/RenderSVGForeignObject.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2009 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 32 matching lines @@
     virtual FloatRect objectBoundingBox() const OVERRIDE { return FloatRect(FloatPoint(), m_viewport.size()); }
     virtual FloatRect strokeBoundingBox() const OVERRIDE { return FloatRect(FloatPoint(), m_viewport.size()); }
     virtual FloatRect paintInvalidationRectInLocalCoordinates() const OVERRIDE { return FloatRect(FloatPoint(), m_viewport.size()); }
 
     virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const OVERRIDE;
     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) OVERRIDE;
     virtual bool isSVGForeignObject() const OVERRIDE { return true; }
 
     virtual void setNeedsTransformUpdate() OVERRIDE { m_needsTransformUpdate = true; }
 
+    FloatRect viewportRect() { return m_viewport; }
+
 private:
     virtual void updateLogicalWidth() OVERRIDE;
     virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const OVERRIDE;
 
     virtual const AffineTransform& localToParentTransform() const OVERRIDE;
 
     bool m_needsTransformUpdate : 1;
     FloatRect m_viewport;
     mutable AffineTransform m_localToParentTransform;
 };
 
 }
 
 #endif