Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/graphics/filters/SVGFilterBuilder.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.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
  * 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/graphics/filters/SVGFilterBuilder.h"
 
 #include "platform/graphics/filters/SourceAlpha.h"
 #include "platform/graphics/filters/SourceGraphic.h"
 
 namespace blink {
 
-SVGFilterBuilder::SVGFilterBuilder(PassRefPtr<FilterEffect> sourceGraphic, PassRefPtr<FilterEffect> sourceAlpha)
+SVGFilterBuilder::SVGFilterBuilder(PassRefPtrWillBeRawPtr<FilterEffect> sourceGraphic, PassRefPtrWillBeRawPtr<FilterEffect> sourceAlpha)
 {
     m_builtinEffects.add(SourceGraphic::effectName(), sourceGraphic);
     m_builtinEffects.add(SourceAlpha::effectName(), sourceAlpha);
     addBuiltinEffects();
 }
 
-void SVGFilterBuilder::add(const AtomicString& id, PassRefPtr<FilterEffect> effect)
+void SVGFilterBuilder::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_builtinEffects);
+    visitor->trace(m_namedEffects);
+    visitor->trace(m_effectRenderer);
+    visitor->trace(m_effectReferences);
+    visitor->trace(m_lastEffect);
+#endif
+}
+
+void SVGFilterBuilder::add(const AtomicString& id, PassRefPtrWillBeRawPtr<FilterEffect> effect)
 {
     if (id.isEmpty()) {
         m_lastEffect = effect;
         return;
     }
 
     if (m_builtinEffects.contains(id))
         return;
 
     m_lastEffect = effect;
     m_namedEffects.set(id, m_lastEffect);
 }
 
 FilterEffect* SVGFilterBuilder::getEffectById(const AtomicString& id) const
 {
     if (!id.isEmpty()) {
         if (FilterEffect* builtinEffect = m_builtinEffects.get(id))
             return builtinEffect;
 
         if (FilterEffect* namedEffect = m_namedEffects.get(id))
             return namedEffect;
     }
 
     if (m_lastEffect)
         return m_lastEffect.get();
 
     return m_builtinEffects.get(SourceGraphic::effectName());
 }
 
-void SVGFilterBuilder::appendEffectToEffectReferences(PassRefPtr<FilterEffect> prpEffect, RenderObject* object)
+void SVGFilterBuilder::appendEffectToEffectReferences(PassRefPtrWillBeRawPtr<FilterEffect> prpEffect, RenderObject* object)
 {
-    RefPtr<FilterEffect> effect = prpEffect;
+    RefPtrWillBeRawPtr<FilterEffect> effect = prpEffect;
 
     // The effect must be a newly created filter effect.
     ASSERT(!m_effectReferences.contains(effect));
     ASSERT(object && !m_effectRenderer.contains(object));
     m_effectReferences.add(effect, FilterEffectSet());
 
     unsigned numberOfInputEffects = effect->inputEffects().size();
 
     // It is not possible to add the same value to a set twice.
     for (unsigned i = 0; i < numberOfInputEffects; ++i)
@@ skipping 10 matching lines @@
     addBuiltinEffects();
 }
 
 void SVGFilterBuilder::clearResultsRecursive(FilterEffect* effect)
 {
     if (!effect->hasImageFilter())
         return;
 
     effect->clearResult();
 
-    HashSet<FilterEffect*>& effectReferences = this->effectReferences(effect);
-    HashSet<FilterEffect*>::iterator end = effectReferences.end();
-    for (HashSet<FilterEffect*>::iterator it = effectReferences.begin(); it != end; ++it)
+    FilterEffectSet& effectReferences = this->effectReferences(effect);
+    FilterEffectSet::iterator end = effectReferences.end();
+    for (FilterEffectSet::iterator it = effectReferences.begin(); it != end; ++it)
          clearResultsRecursive(*it);
 }
 
 } // namespace blink