Index: ios/chrome/browser/ui/reader_mode/reader_mode_infobar_delegate.mm |
diff --git a/ios/chrome/browser/ui/reader_mode/reader_mode_infobar_delegate.mm b/ios/chrome/browser/ui/reader_mode/reader_mode_infobar_delegate.mm |
index fd65a49bb9b6b76c91092714b723242f1f6f3772..5bacdb619c2a0fe410f58716ed71036292424661 100644 |
--- a/ios/chrome/browser/ui/reader_mode/reader_mode_infobar_delegate.mm |
+++ b/ios/chrome/browser/ui/reader_mode/reader_mode_infobar_delegate.mm |
@@ -6,6 +6,10 @@ |
#include "base/strings/utf_string_conversions.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
ReaderModeInfoBarDelegate::ReaderModeInfoBarDelegate( |
const base::Closure& callback) |
: callback_(callback) {} |