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

Source/core/svg/properties/SVGAnimatedProperty.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Samsung Electronics. 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,
@@ skipping 18 matching lines @@
     : m_contextElement(contextElement)
     , m_attributeName(attributeName)
     , m_animatedPropertyType(animatedPropertyType)
     , m_isAnimating(false)
     , m_isReadOnly(false)
 {
 }
 
 SVGAnimatedProperty::~SVGAnimatedProperty()
 {
+    // Remove wrapper from cache.
+    Cache* cache = animatedPropertyCache();
+    const Cache::const_iterator end = cache->end();
+    for (Cache::const_iterator it = cache->begin(); it != end; ++it) {
+        if (it->value == this) {
+            cache->remove(it->key);
+            break;
+        }
+    }
+
     // Assure that animationEnded() was called, if animationStarted() was called before.
     ASSERT(!m_isAnimating);
 }
 
-void SVGAnimatedProperty::detachAnimatedPropertiesWrappersForElement(SVGElement* element)
-{
-    Cache* cache = animatedPropertyCache();
-    const Cache::const_iterator end = cache->end();
-    for (Cache::const_iterator it = cache->begin(); it != end; ++it) {
-        if (it->key.m_element == element)
-            it->value->detachWrappers();
-    }
-}
-
-void SVGAnimatedProperty::detachAnimatedPropertiesForElement(SVGElement* element)
-{
-    // Remove wrappers from cache.
-    Cache* cache = animatedPropertyCache();
-
-    Vector<SVGAnimatedPropertyDescription> keysToRemove;
-
-    const Cache::const_iterator end = cache->end();
-    for (Cache::const_iterator it = cache->begin(); it != end; ++it) {
-        if (it->key.m_element == element) {
-            it->value->resetContextElement();
-            keysToRemove.append(it->key);
-        }
-    }
-
-    for (Vector<SVGAnimatedPropertyDescription>::const_iterator it = keysToRemove.begin(); it != keysToRemove.end(); ++it)
-        cache->remove(*it);
-}
-
 void SVGAnimatedProperty::commitChange()
 {
     ASSERT(m_contextElement);
     ASSERT(!m_contextElement->m_deletionHasBegun);
     m_contextElement->invalidateSVGAttributes();
     m_contextElement->svgAttributeChanged(m_attributeName);
 }
 
 SVGAnimatedProperty::Cache* SVGAnimatedProperty::animatedPropertyCache()
 {
     static Cache* s_cache = new Cache;
     return s_cache;
 }
 
 } // namespace WebCore