Index: ios/chrome/browser/file_metadata_util.mm |
diff --git a/ios/chrome/browser/file_metadata_util.mm b/ios/chrome/browser/file_metadata_util.mm |
index cad6d449ccef8dd94399ab68fb0726686e2fe3f9..dbbb174af8ac821a95391720f7f4caf623878452 100644 |
--- a/ios/chrome/browser/file_metadata_util.mm |
+++ b/ios/chrome/browser/file_metadata_util.mm |
@@ -10,6 +10,10 @@ |
#include "base/strings/sys_string_conversions.h" |
#include "base/threading/thread_restrictions.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
void SetSkipSystemBackupAttributeToItem(const base::FilePath& path, |
bool skip_system_backup) { |
base::ThreadRestrictions::AssertIOAllowed(); |