Index: ios/web/navigation/navigation_item_storage_test_util.mm |
diff --git a/ios/web/navigation/navigation_item_storage_test_util.mm b/ios/web/navigation/navigation_item_storage_test_util.mm |
index 42e9f9cf24437b459ae612372515421bd69c6439..f7198fb88f6cb091d8080972b226be20e75b97c6 100644 |
--- a/ios/web/navigation/navigation_item_storage_test_util.mm |
+++ b/ios/web/navigation/navigation_item_storage_test_util.mm |
@@ -6,6 +6,10 @@ |
#import "ios/web/public/crw_navigation_item_storage.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
BOOL ItemStoragesAreEqual(CRWNavigationItemStorage* item1, |