[ObjC ARC] Converts ios/chrome/browser/ssl:unit_tests to ARC.Automatically generated ARCMigrate c…

ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm

Index: ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm
diff --git a/ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm b/ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm
index 1e424fb3d6ce7858f74fb74cde66ac22e4847f0a..77e807bd321e06726e1aba6c527b6295a47cd7b2 100644
--- a/ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm
+++ b/ios/chrome/browser/ssl/ios_ssl_error_handler_unittest.mm
@@ -13,6 +13,10 @@
 #include "net/test/cert_test_util.h"
 #include "net/test/test_data_directory.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 const char kTestCertFileName[] = "ok_cert.pem";
 const char kTestHostName[] = "https://chromium.test/";