DOM-based SVG resource tracking

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

 /*
  * Copyright (C) 2005 Alexander Kellett <lypanov@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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 36 matching lines @@
   SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* maskContentUnits() {
     return mask_content_units_.Get();
   }
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   explicit SVGMaskElement(Document&);
 
   bool IsValid() const override { return SVGTests::IsValid(); }
-  bool NeedsPendingResourceHandling() const override { return false; }
 
   void CollectStyleForPresentationAttribute(const QualifiedName&,
                                             const AtomicString&,
                                             MutableStylePropertySet*) override;
   void SvgAttributeChanged(const QualifiedName&) override;
   void ChildrenChanged(const ChildrenChange&) override;
 
   LayoutObject* CreateLayoutObject(const ComputedStyle&) override;
 
   bool SelfHasRelativeLengths() const override;
 
   Member<SVGAnimatedLength> x_;
   Member<SVGAnimatedLength> y_;
   Member<SVGAnimatedLength> width_;
   Member<SVGAnimatedLength> height_;
   Member<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> mask_units_;
   Member<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> mask_content_units_;
 };
 
 }  // namespace blink
 
 #endif  // SVGMaskElement_h