Index: ios/chrome/browser/ios_chrome_io_thread.mm |
diff --git a/ios/chrome/browser/ios_chrome_io_thread.mm b/ios/chrome/browser/ios_chrome_io_thread.mm |
index 4338187ab8b460e41d1f2f01e3f36cf3ef725a52..e698e5215c9bacdc6c4d2778566141fa3540063c 100644 |
--- a/ios/chrome/browser/ios_chrome_io_thread.mm |
+++ b/ios/chrome/browser/ios_chrome_io_thread.mm |
@@ -79,6 +79,10 @@ |
#include "net/url_request/url_request_job_factory_impl.h" |
#include "url/url_constants.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
// The IOSChromeIOThread object must outlive any tasks posted to the IO thread |
// before the Quit task, so base::Bind() calls are not refcounted. |