Index: ios/chrome/browser/ui/collection_view/cells/test_utils.mm |
diff --git a/ios/chrome/browser/ui/collection_view/cells/test_utils.mm b/ios/chrome/browser/ui/collection_view/cells/test_utils.mm |
index a5c7e323e7f2bc5f913f0cca966c1a7b393f398c..54cb5ae97d41126c76d8f85eb377bd27fba362df 100644 |
--- a/ios/chrome/browser/ui/collection_view/cells/test_utils.mm |
+++ b/ios/chrome/browser/ui/collection_view/cells/test_utils.mm |
@@ -4,6 +4,10 @@ |
#import "ios/chrome/browser/ui/collection_view/cells/test_utils.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace ios_internal { |
UIImage* CollectionViewTestImage() { |