Index: ios/public/provider/chrome/browser/ui/default_ios_web_view_factory.mm |
diff --git a/ios/public/provider/chrome/browser/ui/default_ios_web_view_factory.mm b/ios/public/provider/chrome/browser/ui/default_ios_web_view_factory.mm |
index ad97ae0c1ae3557b7ce4af9745c7590d967304dc..203f9fd401b209bf5d5e786f3657eee4202f45d4 100644 |
--- a/ios/public/provider/chrome/browser/ui/default_ios_web_view_factory.mm |
+++ b/ios/public/provider/chrome/browser/ui/default_ios_web_view_factory.mm |
@@ -6,6 +6,10 @@ |
#include "base/logging.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
Class g_registered_factory_class = nil; |
} // namespace |