Don't consider the viewBox in SVGSVGElement::selfHasRelativeLengths()

Source/core/svg/SVGSVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Google, Inc.
  *
  * 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 591 matching lines @@
     ASSERT(std::isfinite(seconds));
     seconds = max(seconds, 0.0f);
     m_timeContainer->setElapsed(seconds);
 }
 
 bool SVGSVGElement::selfHasRelativeLengths() const
 {
     return m_x->currentValue()->isRelative()
         || m_y->currentValue()->isRelative()
         || m_width->currentValue()->isRelative()
-        || m_height->currentValue()->isRelative()
-        || hasAttribute(SVGNames::viewBoxAttr);
+        || m_height->currentValue()->isRelative();
 }
 
 FloatRect SVGSVGElement::currentViewBoxRect() const
 {
     if (m_useCurrentView)
         return m_viewSpec ? m_viewSpec->viewBox()->currentValue()->value() : FloatRect();
 
     FloatRect useViewBox = viewBox()->currentValue()->value();
     if (!useViewBox.isEmpty())
         return useViewBox;
@@ skipping 157 matching lines @@
     visitor->trace(m_width);
     visitor->trace(m_height);
     visitor->trace(m_translation);
     visitor->trace(m_timeContainer);
     visitor->trace(m_viewSpec);
     SVGGraphicsElement::trace(visitor);
     SVGFitToViewBox::trace(visitor);
 }
 
 } // namespace blink