Index: ios/web/active_state_manager_impl_unittest.mm |
diff --git a/ios/web/active_state_manager_impl_unittest.mm b/ios/web/active_state_manager_impl_unittest.mm |
index 808a93f3d1592fe757f98c5707e250f4805b5bde..a128a93a4946999f2d78d7ef80aefb9406061580 100644 |
--- a/ios/web/active_state_manager_impl_unittest.mm |
+++ b/ios/web/active_state_manager_impl_unittest.mm |
@@ -13,6 +13,10 @@ |
#include "testing/gtest/include/gtest/gtest.h" |
#include "testing/platform_test.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
namespace { |