Oilpan: Unship oilpan from temporary animation objects

Source/core/animation/SVGInterpolation.h

Index: Source/core/animation/SVGInterpolation.h
diff --git a/Source/core/animation/SVGInterpolation.h b/Source/core/animation/SVGInterpolation.h
index d58766f826ad4f766e34ceeacbf988ccf4ad09c5..e9e0af962c766c4dbf2b80f77ac2d75afafa0920 100644
--- a/Source/core/animation/SVGInterpolation.h
+++ b/Source/core/animation/SVGInterpolation.h
@@ -28,20 +28,14 @@ public:
 
     virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> interpolatedValue(SVGElement&) const = 0;
 
-    DEFINE_INLINE_VIRTUAL_TRACE()
-    {
-        visitor->trace(m_attribute);
-        Interpolation::trace(visitor);
-    }
-
 protected:
-    SVGInterpolation(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end, PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute)
+    SVGInterpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end, PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute)
         : Interpolation(start, end)
         , m_attribute(attribute)
     {
     }
 
-    RefPtrWillBeMember<SVGAnimatedPropertyBase> m_attribute;
+    RefPtrWillBePersistent<SVGAnimatedPropertyBase> m_attribute;
 };
 
 DEFINE_TYPE_CASTS(SVGInterpolation, Interpolation, value, value->isSVGInterpolation(), value.isSVGInterpolation());