Port ParentNode API to ElementTraversal

Source/core/svg/SVGPatternElement.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 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 
 #include "core/svg/SVGPatternElement.h"
 
 #include "XLinkNames.h"
+#include "core/dom/ElementTraversal.h"
 #include "core/rendering/svg/RenderSVGResourcePattern.h"
 #include "core/svg/PatternAttributes.h"
 #include "core/svg/SVGElementInstance.h"
 #include "platform/transforms/AffineTransform.h"
 
 namespace WebCore {
 
 // Animated property definitions
 DEFINE_ANIMATED_ENUMERATION(SVGPatternElement, SVGNames::patternUnitsAttr, PatternUnits, patternUnits, SVGUnitTypes::SVGUnitType)
 DEFINE_ANIMATED_ENUMERATION(SVGPatternElement, SVGNames::patternContentUnitsAttr, PatternContentUnits, patternContentUnits, SVGUnitTypes::SVGUnitType)
@@ skipping 155 matching lines @@
 
     if (!attributes.hasPatternContentUnits() && element->patternContentUnitsSpecified())
         attributes.setPatternContentUnits(element->patternContentUnitsCurrentValue());
 
     if (!attributes.hasPatternTransform() && element->patternTransformSpecified()) {
         AffineTransform transform;
         element->patternTransformCurrentValue().concatenate(transform);
         attributes.setPatternTransform(transform);
     }
 
-    if (!attributes.hasPatternContentElement() && element->childElementCount())
+    if (!attributes.hasPatternContentElement() && ElementTraversal::firstWithin(*element))
         attributes.setPatternContentElement(element);
 }
 
 void SVGPatternElement::collectPatternAttributes(PatternAttributes& attributes) const
 {
     HashSet<const SVGPatternElement*> processedPatterns;
     const SVGPatternElement* current = this;
 
     while (true) {
         setPatternAttributes(current, attributes);
@@ skipping 24 matching lines @@
 
 bool SVGPatternElement::selfHasRelativeLengths() const
 {
     return m_x->currentValue()->isRelative()
         || m_y->currentValue()->isRelative()
         || m_width->currentValue()->isRelative()
         || m_height->currentValue()->isRelative();
 }
 
 }