Reland of "Tracking reference filter mutation via SVGElementProxy"

third_party/WebKit/Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 Apple Inc. 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
@@ skipping 296 matching lines @@
   const AtomicString& namespaceURI() const { return m_tagName.namespaceURI(); }
 
   const AtomicString& locateNamespacePrefix(
       const AtomicString& namespaceURI) const;
 
   String nodeName() const override;
 
   Element* cloneElementWithChildren();
   Element* cloneElementWithoutChildren();
 
-  void scheduleSVGFilterLayerUpdateHack();
-
   void setBooleanAttribute(const QualifiedName&, bool);
 
   virtual const StylePropertySet* additionalPresentationAttributeStyle() {
     return nullptr;
   }
   void invalidateStyleAttribute();
 
   const StylePropertySet* inlineStyle() const {
     return elementData() ? elementData()->m_inlineStyle.get() : nullptr;
   }
@@ skipping 828 matching lines @@
 #define DECLARE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
   static T* create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T)                     \
   T* T::create(const QualifiedName& tagName, Document& document) { \
     return new T(tagName, document);                               \
   }
 
 }  // namespace blink
 
 #endif  // Element_h