Index: ios/web/webui/url_data_source_ios.mm |
diff --git a/ios/web/webui/url_data_source_ios.mm b/ios/web/webui/url_data_source_ios.mm |
index 3a1e8208dfbe761d436ef60a28a9ef828ad86753..2cad70a64a7fe7eef55d24169926942f4a5fdf7b 100644 |
--- a/ios/web/webui/url_data_source_ios.mm |
+++ b/ios/web/webui/url_data_source_ios.mm |
@@ -8,6 +8,10 @@ |
#include "ios/web/webui/url_data_manager_ios.h" |
#include "net/url_request/url_request.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
void URLDataSourceIOS::Add(BrowserState* browser_state, |