Index: ios/chrome/app/tests_fake_hook.mm |
diff --git a/ios/chrome/app/tests_fake_hook.mm b/ios/chrome/app/tests_fake_hook.mm |
index c3125688bfd656f3ed4d4426f99991b5623c1177..6776cee895b5403a264bd809c523ca2711349f29 100644 |
--- a/ios/chrome/app/tests_fake_hook.mm |
+++ b/ios/chrome/app/tests_fake_hook.mm |
@@ -4,6 +4,10 @@ |
#import "ios/chrome/app/tests_hook.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace tests_hook { |
bool DisableContextualSearch() { |