Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

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

Index: third_party/WebKit/Source/core/svg/SVGPath.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPath.h b/third_party/WebKit/Source/core/svg/SVGPath.h
index 0f9ac5b84d65d19b3d37552eb8d56e7f654887ff..781f6d51952be7a6f505f6f6b288958cc84fc063 100644
--- a/third_party/WebKit/Source/core/svg/SVGPath.h
+++ b/third_party/WebKit/Source/core/svg/SVGPath.h
@@ -78,12 +78,7 @@ private:
     mutable OwnPtr<Path> m_cachedPath;
 };
 
-inline PassRefPtrWillBeRawPtr<SVGPath> toSVGPath(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGPath::classType());
-    return static_pointer_cast<SVGPath>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGPath);
 
 } // namespace blink