Index: ios/chrome/browser/web/external_app_launcher_unittest.mm |
diff --git a/ios/chrome/browser/web/external_app_launcher_unittest.mm b/ios/chrome/browser/web/external_app_launcher_unittest.mm |
index c4268b1f0445760b6c6206db5328fb73fa33e046..5251de9fb1f157b36c431173d61ef3e44a8bdd3b 100644 |
--- a/ios/chrome/browser/web/external_app_launcher_unittest.mm |
+++ b/ios/chrome/browser/web/external_app_launcher_unittest.mm |
@@ -7,6 +7,10 @@ |
#include "testing/gtest/include/gtest/gtest.h" |
#include "testing/gtest_mac.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
@interface ExternalAppLauncher (Private) |
// Returns the Phone/FaceTime call argument from |url|. |
// Made available for unit testing. |