Index: ios/web/public/test/web_test.mm |
diff --git a/ios/web/public/test/web_test.mm b/ios/web/public/test/web_test.mm |
index e3525b9d81908ea5385c981e0665a06e9a29d1c3..c9943dc97a65be91a9e89b2d0636210f0f09fa06 100644 |
--- a/ios/web/public/test/web_test.mm |
+++ b/ios/web/public/test/web_test.mm |
@@ -9,6 +9,10 @@ |
#include "ios/web/public/web_state/global_web_state_observer.h" |
#import "ios/web/public/test/fakes/test_web_client.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
class WebTestRenderProcessCrashObserver : public GlobalWebStateObserver { |