Index: ios/web/web_state/web_state_delegate.mm |
diff --git a/ios/web/web_state/web_state_delegate.mm b/ios/web/web_state/web_state_delegate.mm |
index c6a2def0144212b73d8446cb161233d1cd8c908f..2c58355b819292bf077e56bbe6e4e528f6184277 100644 |
--- a/ios/web/web_state/web_state_delegate.mm |
+++ b/ios/web/web_state/web_state_delegate.mm |
@@ -6,6 +6,10 @@ |
#import "ios/web/public/web_state/web_state.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
WebStateDelegate::WebStateDelegate() {} |