Index: ios/web/shell/app_delegate.mm |
diff --git a/ios/web/shell/app_delegate.mm b/ios/web/shell/app_delegate.mm |
index 87e65a5b3a704b3acb6112ae41db838cce67cb9e..f5a4a3fd636833e4bd5b2dc1a050625862be7ba2 100644 |
--- a/ios/web/shell/app_delegate.mm |
+++ b/ios/web/shell/app_delegate.mm |
@@ -15,6 +15,10 @@ |
#include "ios/web/shell/shell_web_client.h" |
#import "ios/web/shell/view_controller.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
@interface AppDelegate () { |
std::unique_ptr<web::ShellMainDelegate> _delegate; |
std::unique_ptr<web::WebMain> _webMain; |