| Index: ios/chrome/browser/web/dom_altering_lock.mm
|
| diff --git a/ios/chrome/browser/web/dom_altering_lock.mm b/ios/chrome/browser/web/dom_altering_lock.mm
|
| index 3733d6af43ec1ad9ad6ee4f712a078880ec4271f..d999ad8740e4bc41f657c199537bde04685ef037 100644
|
| --- a/ios/chrome/browser/web/dom_altering_lock.mm
|
| +++ b/ios/chrome/browser/web/dom_altering_lock.mm
|
| @@ -7,6 +7,10 @@
|
| #include "base/logging.h"
|
| #include "ios/web/public/web_thread.h"
|
|
|
| +#if !defined(__has_feature) || !__has_feature(objc_arc)
|
| +#error "This file requires ARC support."
|
| +#endif
|
| +
|
| DEFINE_WEB_STATE_USER_DATA_KEY(DOMAlteringLock);
|
|
|
| DOMAlteringLock::DOMAlteringLock(web::WebState* web_state) {
|
|
|