1 files changed, 18 insertions, 15 deletions
diff --git a/chromium/third_party/blink/renderer/core/animation/string_keyframe.h b/chromium/third_party/blink/renderer/core/animation/string_keyframe.h
index 87c9a03937c..31cdb962583 100644
--- a/chromium/third_party/blink/renderer/core/animation/string_keyframe.h
+++ b/chromium/third_party/blink/renderer/core/animation/string_keyframe.h
@@ -194,21 +194,24 @@ class CORE_EXPORT StringKeyframe : public Keyframe {
 using CSSPropertySpecificKeyframe = StringKeyframe::CSSPropertySpecificKeyframe;
 using SVGPropertySpecificKeyframe = StringKeyframe::SVGPropertySpecificKeyframe;
 
-DEFINE_TYPE_CASTS(StringKeyframe,
-                  Keyframe,
-                  value,
-                  value->IsStringKeyframe(),
-                  value.IsStringKeyframe());
-DEFINE_TYPE_CASTS(CSSPropertySpecificKeyframe,
-                  Keyframe::PropertySpecificKeyframe,
-                  value,
-                  value->IsCSSPropertySpecificKeyframe(),
-                  value.IsCSSPropertySpecificKeyframe());
-DEFINE_TYPE_CASTS(SVGPropertySpecificKeyframe,
-                  Keyframe::PropertySpecificKeyframe,
-                  value,
-                  value->IsSVGPropertySpecificKeyframe(),
-                  value.IsSVGPropertySpecificKeyframe());
+template <>
+struct DowncastTraits<StringKeyframe> {
+  static bool AllowFrom(const Keyframe& value) {
+    return value.IsStringKeyframe();
+  }
+};
+template <>
+struct DowncastTraits<CSSPropertySpecificKeyframe> {
+  static bool AllowFrom(const Keyframe::PropertySpecificKeyframe& value) {
+    return value.IsCSSPropertySpecificKeyframe();
+  }
+};
+template <>
+struct DowncastTraits<SVGPropertySpecificKeyframe> {
+  static bool AllowFrom(const Keyframe::PropertySpecificKeyframe& value) {
+    return value.IsSVGPropertySpecificKeyframe();
+  }
+};
 
 }  // namespace blink