Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPathSegListSource.cpp

Index: Source/core/svg/SVGPathSegListSource.cpp
diff --git a/Source/core/svg/SVGPathSegListSource.cpp b/Source/core/svg/SVGPathSegListSource.cpp
index 93b592cf120225b24c7b974f1a6fab42ce6726bd..abf666d077c2a7deadd69810756d78c70da09326 100644
--- a/Source/core/svg/SVGPathSegListSource.cpp
+++ b/Source/core/svg/SVGPathSegListSource.cpp
@@ -21,6 +21,7 @@
 
 #include "core/svg/SVGPathSegListSource.h"
 
+#include "core/svg/SVGPathElement.h"
 #include "core/svg/SVGPathSegArc.h"
 #include "core/svg/SVGPathSegCurvetoCubic.h"
 #include "core/svg/SVGPathSegCurvetoCubicSmooth.h"
@@ -36,6 +37,12 @@ SVGPathSegListSource::SVGPathSegListSource(SVGPathSegList::ConstIterator itBegin
 {
 }
 
+void SVGPathSegListSource::trace(Visitor* visitor)
+{
+    visitor->trace(m_segment);
+    SVGPathSource::trace(visitor);
+}
+
 bool SVGPathSegListSource::hasMoreData() const
 {
     return m_itCurrent != m_itEnd;