[svg2] Make 'cx', 'cy' and 'r' presentation attributes

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 325 matching lines @@
     CSSPropertyStrokeWidth,
     CSSPropertyAlignmentBaseline,
     CSSPropertyBaselineShift,
     CSSPropertyDominantBaseline,
     CSSPropertyTextAnchor,
     CSSPropertyWritingMode,
     CSSPropertyGlyphOrientationHorizontal,
     CSSPropertyGlyphOrientationVertical,
     CSSPropertyVectorEffect,
     CSSPropertyPaintOrder,
+    CSSPropertyCx,
+    CSSPropertyCy,
     CSSPropertyX,
     CSSPropertyY,
+    CSSPropertyR,
     CSSPropertyRx,
     CSSPropertyRy
 };
 
 static const Vector<CSSPropertyID>& computableProperties()
 {
     DEFINE_STATIC_LOCAL(Vector<CSSPropertyID>, properties, ());
     if (properties.isEmpty())
         CSSPropertyMetadata::filterEnabledCSSPropertiesIntoVector(staticComputableProperties, WTF_ARRAY_LENGTH(staticComputableProperties), properties);
     return properties;
@@ skipping 333 matching lines @@
     exceptionState.throwDOMException(NoModificationAllowedError, "These styles are computed, and therefore the '" + getPropertyNameString(id) + "' property is read-only.");
 }
 
 DEFINE_TRACE(CSSComputedStyleDeclaration)
 {
     visitor->trace(m_node);
     CSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink