Layout support for new ellipse shape syntax

Source/core/rendering/style/BasicShapes.h

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 243 matching lines @@
 DEFINE_BASICSHAPE_TYPE_CASTS(DeprecatedBasicShapeCircle);
 
 class BasicShapeEllipse : public BasicShape {
 public:
     static PassRefPtr<BasicShapeEllipse> create() { return adoptRef(new BasicShapeEllipse); }
 
     const BasicShapeCenterCoordinate& centerX() const { return m_centerX; }
     const BasicShapeCenterCoordinate& centerY() const { return m_centerY; }
     const BasicShapeRadius& radiusX() const { return m_radiusX; }
     const BasicShapeRadius& radiusY() const { return m_radiusY; }
+    float floatValueForRadiusInBox(const BasicShapeRadius&, float center, float boxWidthOrHeight) const;
 
     void setCenterX(BasicShapeCenterCoordinate centerX) { m_centerX = centerX; }
     void setCenterY(BasicShapeCenterCoordinate centerY) { m_centerY = centerY; }
     void setRadiusX(BasicShapeRadius radiusX) { m_radiusX = radiusX; }
     void setRadiusY(BasicShapeRadius radiusY) { m_radiusY = radiusY; }
 
     virtual void path(Path&, const FloatRect&) OVERRIDE;
     virtual PassRefPtr<BasicShape> blend(const BasicShape*, double) const OVERRIDE;
     virtual bool operator==(const BasicShape&) const OVERRIDE;
 
@@ skipping 105 matching lines @@
     Length m_bottom;
     Length m_left;
     Length m_cornerRadiusX;
     Length m_cornerRadiusY;
 };
 
 DEFINE_BASICSHAPE_TYPE_CASTS(BasicShapeInsetRectangle);
 
 }
 #endif