Simplify SVGAnimated* initialization

third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * 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.
  *
@@ skipping 43 matching lines @@
     baseValue()->setInvalid();
   }
   return parseStatus;
 }
 
 SVGFitToViewBox::SVGFitToViewBox(SVGElement* element,
                                  PropertyMapPolicy propertyMapPolicy)
     : m_viewBox(SVGAnimatedViewBoxRect::create(element)),
       m_preserveAspectRatio(SVGAnimatedPreserveAspectRatio::create(
           element,
-          SVGNames::preserveAspectRatioAttr,
-          SVGPreserveAspectRatio::create())) {
+          SVGNames::preserveAspectRatioAttr)) {
   ASSERT(element);
   if (propertyMapPolicy == PropertyMapPolicyAdd) {
     element->addToPropertyMap(m_viewBox);
     element->addToPropertyMap(m_preserveAspectRatio);
   }
 }
 
 DEFINE_TRACE(SVGFitToViewBox) {
   visitor->trace(m_viewBox);
   visitor->trace(m_preserveAspectRatio);
@@ skipping 17 matching lines @@
   return attrName == SVGNames::viewBoxAttr ||
          attrName == SVGNames::preserveAspectRatioAttr;
 }
 
 void SVGFitToViewBox::updateViewBox(const FloatRect& rect) {
   ASSERT(m_viewBox);
   m_viewBox->baseValue()->setValue(rect);
 }
 
 }  // namespace blink