Oilpan: revert SVG GC mixin constructor workaround.

Source/core/svg/SVGMarkerElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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 24 matching lines @@
     if (entries.isEmpty()) {
         entries.append(std::make_pair(SVGMarkerUnitsUserSpaceOnUse, "userSpaceOnUse"));
         entries.append(std::make_pair(SVGMarkerUnitsStrokeWidth, "strokeWidth"));
     }
     return entries;
 }
 
 
 inline SVGMarkerElement::SVGMarkerElement(Document& document)
     : SVGElement(SVGNames::markerTag, document)
+    , SVGFitToViewBox(this)
     , m_refX(SVGAnimatedLength::create(this, SVGNames::refXAttr, SVGLength::create(SVGLengthMode::Width), AllowNegativeLengths))
     , m_refY(SVGAnimatedLength::create(this, SVGNames::refYAttr, SVGLength::create(SVGLengthMode::Height), AllowNegativeLengths))
     , m_markerWidth(SVGAnimatedLength::create(this, SVGNames::markerWidthAttr, SVGLength::create(SVGLengthMode::Width), ForbidNegativeLengths))
     , m_markerHeight(SVGAnimatedLength::create(this, SVGNames::markerHeightAttr, SVGLength::create(SVGLengthMode::Height), ForbidNegativeLengths))
     , m_orientAngle(SVGAnimatedAngle::create(this))
     , m_markerUnits(SVGAnimatedEnumeration<SVGMarkerUnitsType>::create(this, SVGNames::markerUnitsAttr, SVGMarkerUnitsStrokeWidth))
 {
-    SVGFitToViewBox::initialize(this);
-
     // Spec: If the markerWidth/markerHeight attribute is not specified, the effect is as if a value of "3" were specified.
     m_markerWidth->setDefaultValueAsString("3");
     m_markerHeight->setDefaultValueAsString("3");
 
     addToPropertyMap(m_refX);
     addToPropertyMap(m_refY);
     addToPropertyMap(m_markerWidth);
     addToPropertyMap(m_markerHeight);
     addToPropertyMap(m_orientAngle);
     addToPropertyMap(m_markerUnits);
@@ skipping 87 matching lines @@
 
 bool SVGMarkerElement::selfHasRelativeLengths() const
 {
     return m_refX->currentValue()->isRelative()
         || m_refY->currentValue()->isRelative()
         || m_markerWidth->currentValue()->isRelative()
         || m_markerHeight->currentValue()->isRelative();
 }
 
 } // namespace blink