Index: components/reading_list/ios/reading_list_model_bridge_observer.mm |
diff --git a/components/reading_list/ios/reading_list_model_bridge_observer.mm b/components/reading_list/ios/reading_list_model_bridge_observer.mm |
index a54a1a471f14e790b8a5a887f66c1687882b9534..ff5836ee033c040c5ecdf5eca20a395f13500dbe 100644 |
--- a/components/reading_list/ios/reading_list_model_bridge_observer.mm |
+++ b/components/reading_list/ios/reading_list_model_bridge_observer.mm |
@@ -7,6 +7,10 @@ |
#include "components/reading_list/core/reading_list_entry.h" |
#include "components/reading_list/core/reading_list_model.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
ReadingListModelBridge::ReadingListModelBridge( |
id<ReadingListModelBridgeObserver> observer, |
ReadingListModel* model) |