Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGPreserveAspectRatioTearOff.h

Index: Source/core/svg/SVGPreserveAspectRatioTearOff.h
diff --git a/Source/core/svg/SVGPreserveAspectRatioTearOff.h b/Source/core/svg/SVGPreserveAspectRatioTearOff.h
index 011c2a0f5ea7542bcc3f2bfdcc65d30618065756..b7b78c9d63dfff99d386c7049ad77e4d33071d57 100644
--- a/Source/core/svg/SVGPreserveAspectRatioTearOff.h
+++ b/Source/core/svg/SVGPreserveAspectRatioTearOff.h
@@ -34,6 +34,7 @@
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/svg/SVGPreserveAspectRatio.h"
 #include "core/svg/properties/SVGPropertyTearOff.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
@@ -60,9 +61,9 @@ public:
         SVG_MEETORSLICE_SLICE = SVGPreserveAspectRatio::SVG_MEETORSLICE_SLICE
     };
 
-    static PassRefPtr<SVGPreserveAspectRatioTearOff> create(PassRefPtr<SVGPreserveAspectRatio> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
+    static PassRefPtrWillBeRawPtr<SVGPreserveAspectRatioTearOff> create(PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
     {
-        return adoptRef(new SVGPreserveAspectRatioTearOff(target, contextElement, propertyIsAnimVal, attributeName));
+        return adoptRefWillBeNoop(new SVGPreserveAspectRatioTearOff(target, contextElement, propertyIsAnimVal, attributeName));
     }
 
     void setAlign(unsigned short, ExceptionState&);
@@ -71,7 +72,7 @@ public:
     unsigned short meetOrSlice() { return target()->meetOrSlice(); }
 
 private:
-    SVGPreserveAspectRatioTearOff(PassRefPtr<SVGPreserveAspectRatio>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName = QualifiedName::null());
+    SVGPreserveAspectRatioTearOff(PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName = QualifiedName::null());
 };
 
 } // namespace blink