Revert 157959 "Introduce a new reference graph to SVG*TearOffs."

Source/core/svg/SVGAnimateElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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 14 matching lines @@
 #include "core/svg/SVGAnimateElement.h"
 
 #include "CSSPropertyNames.h"
 #include "SVGNames.h"
 #include "core/css/CSSParser.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/QualifiedName.h"
 #include "core/svg/SVGAnimatedType.h"
 #include "core/svg/SVGAnimatedTypeAnimator.h"
 #include "core/svg/SVGAnimatorFactory.h"
-#include "core/svg/SVGDocumentExtensions.h"
 
 namespace WebCore {
 
 SVGAnimateElement::SVGAnimateElement(const QualifiedName& tagName, Document& document)
     : SVGAnimationElement(tagName, document)
     , m_animatedPropertyType(AnimatedString)
 {
     ASSERT(hasTagName(SVGNames::animateTag) || hasTagName(SVGNames::setTag) || hasTagName(SVGNames::animateColorTag) || hasTagName(SVGNames::animateTransformTag));
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<SVGAnimateElement> SVGAnimateElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGAnimateElement(tagName, document));
 }
 
 SVGAnimateElement::~SVGAnimateElement()
 {
-    if (targetElement())
-        clearAnimatedType(targetElement());
 }
 
 bool SVGAnimateElement::hasValidAttributeType()
 {
     SVGElement* targetElement = this->targetElement();
     if (!targetElement)
         return false;
 
     return m_animatedPropertyType != AnimatedUnknown && !hasInvalidCSSAttributeType();
 }
@@ skipping 141 matching lines @@
     SVGElement* targetElement = this->targetElement();
     const QualifiedName& attributeName = this->attributeName();
     ShouldApplyAnimation shouldApply = shouldApplyAnimation(targetElement, attributeName);
 
     if (shouldApply == DontApplyAnimation)
         return;
 
     if (shouldApply == ApplyXMLAnimation) {
         // SVG DOM animVal animation code-path.
         m_animatedProperties = animator->findAnimatedPropertiesForAttributeName(targetElement, attributeName);
-        SVGElementAnimatedPropertyList::const_iterator end = m_animatedProperties.end();
-        for (SVGElementAnimatedPropertyList::const_iterator it = m_animatedProperties.begin(); it != end; ++it)
-            document().accessSVGExtensions()->addElementReferencingTarget(this, it->element);
-
         ASSERT(!m_animatedProperties.isEmpty());
 
         ASSERT(propertyTypesAreConsistent(m_animatedPropertyType, m_animatedProperties));
         if (!m_animatedType)
             m_animatedType = animator->startAnimValAnimation(m_animatedProperties);
         else {
             animator->resetAnimValToBaseVal(m_animatedProperties, m_animatedType.get());
             animator->animValDidChange(m_animatedProperties);
         }
         return;
@@ skipping 205 matching lines @@
 
 SVGAnimatedTypeAnimator* SVGAnimateElement::ensureAnimator()
 {
     if (!m_animator)
         m_animator = SVGAnimatorFactory::create(this, targetElement(), m_animatedPropertyType);
     ASSERT(m_animatedPropertyType == m_animator->type());
     return m_animator.get();
 }
 
 }