Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathUtilities.h

Index: Source/core/svg/SVGPathUtilities.h
diff --git a/Source/core/svg/SVGPathUtilities.h b/Source/core/svg/SVGPathUtilities.h
index 3e16255bf535c056158294aca4e18d99a2d00fc1..0b501dda281334231052cb7d362656fa65e5c6fe 100644
--- a/Source/core/svg/SVGPathUtilities.h
+++ b/Source/core/svg/SVGPathUtilities.h
@@ -22,6 +22,7 @@
 
 #include "core/svg/SVGPathConsumer.h"
 #include "platform/geometry/FloatPoint.h"
+#include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/text/WTFString.h"
 
@@ -37,12 +38,12 @@ bool buildPathFromString(const String&, Path&);
 bool buildPathFromByteStream(const SVGPathByteStream*, Path&);
 
 // SVGPathSegList/String -> SVGPathByteStream
-bool appendSVGPathByteStreamFromSVGPathSeg(PassRefPtr<SVGPathSeg>, SVGPathByteStream*, PathParsingMode);
+bool appendSVGPathByteStreamFromSVGPathSeg(PassRefPtrWillBeRawPtr<SVGPathSeg>, SVGPathByteStream*, PathParsingMode);
 bool buildSVGPathByteStreamFromString(const String&, SVGPathByteStream*, PathParsingMode);
 
 // SVGPathByteStream/SVGPathSegList -> String
 bool buildStringFromByteStream(const SVGPathByteStream*, String&, PathParsingMode);
-bool buildStringFromSVGPathSegList(PassRefPtr<SVGPathSegList>, String&, PathParsingMode);
+bool buildStringFromSVGPathSegList(PassRefPtrWillBeRawPtr<SVGPathSegList>, String&, PathParsingMode);
 
 bool addToSVGPathByteStream(SVGPathByteStream*, const SVGPathByteStream*, unsigned repeatCount = 1);