Index: ios/chrome/browser/signin/chrome_identity_service_observer_bridge.mm |
diff --git a/ios/chrome/browser/signin/chrome_identity_service_observer_bridge.mm b/ios/chrome/browser/signin/chrome_identity_service_observer_bridge.mm |
index 4f47925e3f1e55a5f3ce096078ae13527356f04f..46886bda728889a5acfcacd72ba1fbf85fcecf0b 100644 |
--- a/ios/chrome/browser/signin/chrome_identity_service_observer_bridge.mm |
+++ b/ios/chrome/browser/signin/chrome_identity_service_observer_bridge.mm |
@@ -7,6 +7,10 @@ |
#include "base/logging.h" |
#include "ios/public/provider/chrome/browser/chrome_browser_provider.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
ChromeIdentityServiceObserverBridge::ChromeIdentityServiceObserverBridge( |
id<ChromeIdentityServiceObserver> observer) |
: observer_(observer), scoped_observer_(this) { |