Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathParser.h

Index: Source/core/svg/SVGPathParser.h
diff --git a/Source/core/svg/SVGPathParser.h b/Source/core/svg/SVGPathParser.h
index b3b6faa4963c006d932b279b6806d0684470f79c..0d2b59310597849e51e5fc85f6139ec237b31039 100644
--- a/Source/core/svg/SVGPathParser.h
+++ b/Source/core/svg/SVGPathParser.h
@@ -26,6 +26,7 @@
 
 #include "core/svg/SVGPathConsumer.h"
 #include "core/svg/SVGPathSeg.h"
+#include "platform/heap/Handle.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
 
@@ -33,8 +34,8 @@ namespace blink {
 
 class SVGPathSource;
 
-class SVGPathParser {
-    WTF_MAKE_NONCOPYABLE(SVGPathParser); WTF_MAKE_FAST_ALLOCATED;
+class SVGPathParser final : public NoBaseWillBeGarbageCollected<SVGPathParser> {
+    WTF_MAKE_NONCOPYABLE(SVGPathParser); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     SVGPathParser();
 
@@ -43,6 +44,8 @@ public:
     void setCurrentSource(SVGPathSource* source) { m_source = source; }
     void cleanup();
 
+    void trace(Visitor*);
+
 private:
     bool decomposeArcToCubic(float, float, float, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag);
     void parseClosePathSegment();
@@ -56,8 +59,8 @@ private:
     bool parseCurveToQuadraticSmoothSegment();
     bool parseArcToSegment();
 
-    SVGPathSource* m_source;
-    SVGPathConsumer* m_consumer;
+    RawPtrWillBeMember<SVGPathSource> m_source;
+    RawPtrWillBeMember<SVGPathConsumer> m_consumer;
     PathCoordinateMode m_mode;
     PathParsingMode m_pathParsingMode;
     SVGPathSegType m_lastCommand;