Index: ios/web/interstitials/web_interstitial_impl.mm |
diff --git a/ios/web/interstitials/web_interstitial_impl.mm b/ios/web/interstitials/web_interstitial_impl.mm |
index e0cf6f083b09a4049c6a7cb046a5e06013bc6a2f..35d785a8e9dfe9018f163fb285abb34551bcff79 100644 |
--- a/ios/web/interstitials/web_interstitial_impl.mm |
+++ b/ios/web/interstitials/web_interstitial_impl.mm |
@@ -12,6 +12,10 @@ |
#import "ios/web/public/navigation_manager.h" |
#include "ios/web/web_state/web_state_impl.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
// static |