Index: ios/chrome/browser/ui/ntp/notification_promo_whats_new.mm |
diff --git a/ios/chrome/browser/ui/ntp/notification_promo_whats_new.mm b/ios/chrome/browser/ui/ntp/notification_promo_whats_new.mm |
index 9e15d275b7a0162749b530f6e7f80893e26086b7..48f8a7892192ee7280a67261938855663a5b6f32 100644 |
--- a/ios/chrome/browser/ui/ntp/notification_promo_whats_new.mm |
+++ b/ios/chrome/browser/ui/ntp/notification_promo_whats_new.mm |
@@ -26,6 +26,10 @@ |
#include "ios/chrome/grit/ios_strings.h" |
#include "ui/base/l10n/l10n_util.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
struct PromoStringToIdsMapEntry { |