Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.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.
  */
 
 #ifndef SVGPathElement_h
 #define SVGPathElement_h
 
 #include "core/SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGAnimatedPath.h"
 #include "core/svg/SVGGeometryElement.h"
 #include "core/svg/SVGPathByteStream.h"
+#include "platform/heap/Handle.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class SVGPathSegArcAbs;
 class SVGPathSegArcRel;
 class SVGPathSegClosePath;
 class SVGPathSegLinetoAbs;
 class SVGPathSegLinetoRel;
 class SVGPathSegMovetoAbs;
@@ skipping 10 matching lines @@
 class SVGPathSegCurvetoCubicSmoothRel;
 class SVGPathSegCurvetoQuadraticSmoothAbs;
 class SVGPathSegCurvetoQuadraticSmoothRel;
 
 class SVGPathElement final : public SVGGeometryElement {
     DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_NODE_FACTORY(SVGPathElement);
 
     float getTotalLength();
-    PassRefPtr<SVGPointTearOff> getPointAtLength(float distance);
+    PassRefPtrWillBeRawPtr<SVGPointTearOff> getPointAtLength(float distance);
     unsigned getPathSegAtLength(float distance);
 
     SVGAnimatedNumber* pathLength() { return m_pathLength.get(); }
 
-    PassRefPtr<SVGPathSegClosePath> createSVGPathSegClosePath();
-    PassRefPtr<SVGPathSegMovetoAbs> createSVGPathSegMovetoAbs(float x, float y);
-    PassRefPtr<SVGPathSegMovetoRel> createSVGPathSegMovetoRel(float x, float y);
-    PassRefPtr<SVGPathSegLinetoAbs> createSVGPathSegLinetoAbs(float x, float y);
-    PassRefPtr<SVGPathSegLinetoRel> createSVGPathSegLinetoRel(float x, float y);
-    PassRefPtr<SVGPathSegCurvetoCubicAbs> createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);
-    PassRefPtr<SVGPathSegCurvetoCubicRel> createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);
-    PassRefPtr<SVGPathSegCurvetoQuadraticAbs> createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);
-    PassRefPtr<SVGPathSegCurvetoQuadraticRel> createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);
-    PassRefPtr<SVGPathSegArcAbs> createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
-    PassRefPtr<SVGPathSegArcRel> createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
-    PassRefPtr<SVGPathSegLinetoHorizontalAbs> createSVGPathSegLinetoHorizontalAbs(float x);
-    PassRefPtr<SVGPathSegLinetoHorizontalRel> createSVGPathSegLinetoHorizontalRel(float x);
-    PassRefPtr<SVGPathSegLinetoVerticalAbs> createSVGPathSegLinetoVerticalAbs(float y);
-    PassRefPtr<SVGPathSegLinetoVerticalRel> createSVGPathSegLinetoVerticalRel(float y);
-    PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);
-    PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);
-    PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);
-    PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegClosePath> createSVGPathSegClosePath();
+    PassRefPtrWillBeRawPtr<SVGPathSegMovetoAbs> createSVGPathSegMovetoAbs(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegMovetoRel> createSVGPathSegMovetoRel(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoAbs> createSVGPathSegLinetoAbs(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoRel> createSVGPathSegLinetoRel(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicAbs> createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicRel> createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticAbs> createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticRel> createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);
+    PassRefPtrWillBeRawPtr<SVGPathSegArcAbs> createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
+    PassRefPtrWillBeRawPtr<SVGPathSegArcRel> createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoHorizontalAbs> createSVGPathSegLinetoHorizontalAbs(float x);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoHorizontalRel> createSVGPathSegLinetoHorizontalRel(float x);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoVerticalAbs> createSVGPathSegLinetoVerticalAbs(float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegLinetoVerticalRel> createSVGPathSegLinetoVerticalRel(float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicSmoothAbs> createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoCubicSmoothRel> createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticSmoothAbs> createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);
+    PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticSmoothRel> createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);
 
     // Used in the bindings only.
     SVGPathSegListTearOff* pathSegList() { return m_pathSegList->baseVal(); }
     SVGPathSegListTearOff* animatedPathSegList() { return m_pathSegList->animVal(); }
 
     // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists!
     SVGPathSegListTearOff* normalizedPathSegList() { return 0; }
     SVGPathSegListTearOff* animatedNormalizedPathSegList() { return 0; }
 
     const SVGPathByteStream* pathByteStream() const { return m_pathSegList->currentValue()->byteStream(); }
 
     void pathSegListChanged(ListModification = ListModificationUnknown);
 
     virtual FloatRect getBBox() override;
 
+    virtual void trace(Visitor*) override;
+
 private:
     explicit SVGPathElement(Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
     virtual void svgAttributeChanged(const QualifiedName&) override;
 
     virtual Node::InsertionNotificationRequest insertedInto(ContainerNode*) override;
     virtual void removedFrom(ContainerNode*) override;
 
     void invalidateMPathDependencies();
 
-    RefPtr<SVGAnimatedNumber> m_pathLength;
-    RefPtr<SVGAnimatedPath> m_pathSegList;
+    RefPtrWillBeMember<SVGAnimatedNumber> m_pathLength;
+    RefPtrWillBeMember<SVGAnimatedPath> m_pathSegList;
 };
 
 } // namespace blink
 
 #endif // SVGPathElement_h