Index: ios/web/shell/shell_main_delegate.mm |
diff --git a/ios/web/shell/shell_main_delegate.mm b/ios/web/shell/shell_main_delegate.mm |
index 97db23d059521eadf3048e9741fdac69ed41cd55..367a7f76bbfb4cd1334450a886ed96b40c55718d 100644 |
--- a/ios/web/shell/shell_main_delegate.mm |
+++ b/ios/web/shell/shell_main_delegate.mm |
@@ -6,6 +6,10 @@ |
#include "ios/web/shell/shell_web_client.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
ShellMainDelegate::ShellMainDelegate() { |