| Index: ios/chrome/browser/net/image_fetcher_unittest.mm
 | 
| diff --git a/ios/chrome/browser/net/image_fetcher_unittest.mm b/ios/chrome/browser/net/image_fetcher_unittest.mm
 | 
| index c1baca0a681e2f320cc0bc97cbf6ef27b2abaeb2..de2d2c9c63acec862225f80704f7a87bb07a8d6b 100644
 | 
| --- a/ios/chrome/browser/net/image_fetcher_unittest.mm
 | 
| +++ b/ios/chrome/browser/net/image_fetcher_unittest.mm
 | 
| @@ -21,6 +21,10 @@
 | 
|  #include "testing/gtest/include/gtest/gtest.h"
 | 
|  #include "testing/platform_test.h"
 | 
|  
 | 
| +#if !defined(__has_feature) || !__has_feature(objc_arc)
 | 
| +#error "This file requires ARC support."
 | 
| +#endif
 | 
| +
 | 
|  namespace {
 | 
|  
 | 
|  static unsigned char kJPGImage[] = {
 | 
| 
 |