Index: ios/web/net/request_group_util.mm |
diff --git a/ios/web/net/request_group_util.mm b/ios/web/net/request_group_util.mm |
index 5aecb1047b6777978e5fb4ca36288c33ee03a456..11bd92d8be0e051794949c826cdd38b6f0b9313f 100644 |
--- a/ios/web/net/request_group_util.mm |
+++ b/ios/web/net/request_group_util.mm |
@@ -13,6 +13,10 @@ |
#import "net/base/mac/url_conversions.h" |
#include "url/gurl.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
// Minimum length for a request group ID. A shorter string is considered as an |
// invalid ID. |