1 files changed, 6 insertions, 5 deletions
diff --git a/chromium/third_party/blink/renderer/core/dom/child_node_list.h b/chromium/third_party/blink/renderer/core/dom/child_node_list.h
index b52dc467877..80d86082530 100644
--- a/chromium/third_party/blink/renderer/core/dom/child_node_list.h
+++ b/chromium/third_party/blink/renderer/core/dom/child_node_list.h
@@ -70,11 +70,12 @@ class ChildNodeList final : public NodeList {
   mutable CollectionIndexCache<ChildNodeList, Node> collection_index_cache_;
 };
 
-DEFINE_TYPE_CASTS(ChildNodeList,
-                  NodeList,
-                  nodeList,
-                  nodeList->IsChildNodeList(),
-                  nodeList.IsChildNodeList());
+template <>
+struct DowncastTraits<ChildNodeList> {
+  static bool AllowFrom(const NodeList& nodeList) {
+    return nodeList.IsChildNodeList();
+  }
+};
 
 }  // namespace blink