Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

third_party/WebKit/Source/core/svg/SVGLength.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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 105 matching lines @@
 
 private:
     SVGLength(SVGLengthMode);
     SVGLength(const SVGLength&);
 
     float m_valueInSpecifiedUnits;
     unsigned m_unitMode : 2;
     unsigned m_unitType : 4;
 };
 
-inline PassRefPtrWillBeRawPtr<SVGLength> toSVGLength(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGLength::classType());
-    return static_pointer_cast<SVGLength>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGLength);
 
 } // namespace blink
 
 #endif // SVGLength_h