Chromium Code Reviews| Index: ios/web/history_state_util.mm |
| diff --git a/ios/web/history_state_util.mm b/ios/web/history_state_util.mm |
| index bdb11bce32bd95b82d608ffe1d2d0666e19ffa39..a1ef1884530d677e3ab0aadfa3a7ab7b46c0021e 100644 |
| --- a/ios/web/history_state_util.mm |
| +++ b/ios/web/history_state_util.mm |
| @@ -7,6 +7,10 @@ |
| #include "base/logging.h" |
| #include "url/gurl.h" |
| +#if !defined(__has_feature) || !__has_feature(objc_arc) |
| +#error "This file requires ARC support." |
| +#endif |
| + |
| namespace web { |
| namespace history_state_util { |