1 files changed, 7 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/core/svg/svg_transform_list.h b/chromium/third_party/blink/renderer/core/svg/svg_transform_list.h
index 084bf850540..28930b5d87d 100644
--- a/chromium/third_party/blink/renderer/core/svg/svg_transform_list.h
+++ b/chromium/third_party/blink/renderer/core/svg/svg_transform_list.h
@@ -34,6 +34,7 @@
 #include "third_party/blink/renderer/core/svg/properties/svg_list_property_helper.h"
 #include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
 #include "third_party/blink/renderer/core/svg/svg_transform.h"
+#include "third_party/blink/renderer/platform/wtf/casting.h"
 
 namespace blink {
 
@@ -80,7 +81,12 @@ class SVGTransformList final
   SVGParsingError ParseInternal(const CharType*& ptr, const CharType* end);
 };
 
-DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGTransformList);
+template <>
+struct DowncastTraits<SVGTransformList> {
+  static bool AllowFrom(const SVGPropertyBase& value) {
+    return value.GetType() == SVGTransformList::ClassType();
+  }
+};
 
 SVGTransformType ParseTransformType(const String&);