Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h

Index: third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h b/third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h
index 9b31149f0d6c35ebb606eab2c5ab47d60b1f7204..7474aca485510ced4d5f20c8a16c89bba97babfb 100644
--- a/third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h
+++ b/third_party/WebKit/Source/core/svg/SVGPreserveAspectRatio.h
@@ -97,12 +97,7 @@ private:
     SVGMeetOrSliceType m_meetOrSlice;
 };
 
-inline PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio> toSVGPreserveAspectRatio(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGPreserveAspectRatio::classType());
-    return static_pointer_cast<SVGPreserveAspectRatio>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGPreserveAspectRatio);
 
 } // namespace blink