Oilpan: move SVG property hierarchy to the heap.

Source/core/rendering/svg/RenderSVGResourceFilter.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. 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 15 matching lines @@
 
 #include "core/dom/ElementTraversal.h"
 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/graphics/filters/SourceAlpha.h"
 #include "platform/graphics/filters/SourceGraphic.h"
 
 namespace blink {
 
+void FilterData::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(filter);
+    visitor->trace(builder);
+#endif
+}
+
 RenderSVGResourceFilter::RenderSVGResourceFilter(SVGFilterElement* node)
     : RenderSVGResourceContainer(node)
 {
 }
 
 RenderSVGResourceFilter::~RenderSVGResourceFilter()
 {
 }
 
+void RenderSVGResourceFilter::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_filter);
+#endif
+    RenderSVGResourceContainer::trace(visitor);
+}
+
 void RenderSVGResourceFilter::destroy()
 {
     m_filter.clear();
     RenderSVGResourceContainer::destroy();
 }
 
 bool RenderSVGResourceFilter::isChildAllowed(RenderObject* child, RenderStyle*) const
 {
     return child->isSVGResourceFilterPrimitive();
 }
 
 void RenderSVGResourceFilter::removeAllClientsFromCache(bool markForInvalidation)
 {
     m_filter.clear();
     markAllClientsForInvalidation(markForInvalidation ? LayoutAndBoundariesInvalidation : ParentOnlyInvalidation);
 }
 
 void RenderSVGResourceFilter::removeClientFromCache(RenderObject* client, bool markForInvalidation)
 {
     ASSERT(client);
 
     m_filter.remove(client);
 
     markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
 }
 
-PassRefPtr<SVGFilterBuilder> RenderSVGResourceFilter::buildPrimitives(SVGFilter* filter)
+PassRefPtrWillBeRawPtr<SVGFilterBuilder> RenderSVGResourceFilter::buildPrimitives(SVGFilter* filter)
 {
     SVGFilterElement* filterElement = toSVGFilterElement(element());
     FloatRect targetBoundingBox = filter->targetBoundingBox();
 
     // Add effects to the builder
-    RefPtr<SVGFilterBuilder> builder = SVGFilterBuilder::create(SourceGraphic::create(filter), SourceAlpha::create(filter));
+    RefPtrWillBeRawPtr<SVGFilterBuilder> builder = SVGFilterBuilder::create(SourceGraphic::create(filter), SourceAlpha::create(filter));
     for (SVGElement* element = Traversal<SVGElement>::firstChild(*filterElement); element; element = Traversal<SVGElement>::nextSibling(*element)) {
         if (!element->isFilterEffect() || !element->renderer())
             continue;
 
         SVGFilterPrimitiveStandardAttributes* effectElement = static_cast<SVGFilterPrimitiveStandardAttributes*>(element);
-        RefPtr<FilterEffect> effect = effectElement->build(builder.get(), filter);
+        RefPtrWillBeRawPtr<FilterEffect> effect = effectElement->build(builder.get(), filter);
         if (!effect) {
             builder->clearEffects();
             return nullptr;
         }
         builder->appendEffectToEffectReferences(effect, effectElement->renderer());
         effectElement->setStandardAttributes(effect.get());
         effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilterPrimitiveStandardAttributes>(effectElement, filterElement->primitiveUnits()->currentValue()->enumValue(), targetBoundingBox));
         effect->setOperatingColorSpace(
             effectElement->renderer()->style()->svgStyle().colorInterpolationFilters() == CI_LINEARRGB ? ColorSpaceLinearRGB : ColorSpaceDeviceRGB);
         builder->add(AtomicString(effectElement->result()->currentValue()->value()), effect);
@@ skipping 91 matching lines @@
 
     clearInvalidationMask();
 
     if (m_filter.contains(object)) {
         FilterData* filterData = m_filter.get(object);
         if (filterData->state == FilterData::PaintingSource)
             filterData->state = FilterData::CycleDetected;
         return false; // Already built, or we're in a cycle. Regardless, just do nothing more now.
     }
 
-    OwnPtr<FilterData> filterData(adoptPtr(new FilterData));
+    OwnPtrWillBeRawPtr<FilterData> filterData = FilterData::create();
     FloatRect targetBoundingBox = object->objectBoundingBox();
 
     SVGFilterElement* filterElement = toSVGFilterElement(element());
     filterData->boundaries = SVGLengthContext::resolveRectangle<SVGFilterElement>(filterElement, filterElement->filterUnits()->currentValue()->enumValue(), targetBoundingBox);
     if (filterData->boundaries.isEmpty())
         return false;
 
     filterData->drawingRegion = object->strokeBoundingBox();
     filterData->drawingRegion.intersect(filterData->boundaries);
     IntRect intDrawingRegion = enclosingIntRect(filterData->drawingRegion);
@@ skipping 83 matching lines @@
     markAllClientLayersForInvalidation();
 }
 
 FloatRect RenderSVGResourceFilter::drawingRegion(RenderObject* object) const
 {
     FilterData* filterData = m_filter.get(object);
     return filterData ? filterData->drawingRegion : FloatRect();
 }
 
 }