Index: ios/web/history_state_util_unittest.mm |
diff --git a/ios/web/history_state_util_unittest.mm b/ios/web/history_state_util_unittest.mm |
index a859b59b0799783f9bd8ff37811e7484120a37d7..3321b6e11b2693847659ae7f3451840bf74ea3ca 100644 |
--- a/ios/web/history_state_util_unittest.mm |
+++ b/ios/web/history_state_util_unittest.mm |
@@ -11,6 +11,10 @@ |
#import "testing/gtest_mac.h" |
#include "url/gurl.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
namespace { |
struct TestEntry { |