Index: ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.mm |
diff --git a/ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.mm b/ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.mm |
index ecab4d09ebd8838bdaa40d58b3def8dc827f7d3f..d020ced1a83bbc0e7d32b1bc88858e487c1d77a5 100644 |
--- a/ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.mm |
+++ b/ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.mm |
@@ -17,6 +17,10 @@ |
#include "ios/chrome/browser/sync/ios_chrome_synced_tab_delegate.h" |
#include "ios/chrome/browser/tab_parenting_global_observer.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
sync_sessions::SyncedTabDelegate* GetSyncedTabDelegateFromWebState( |