Show a spinner UI for zero-touch enrollment

chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc
index 3d77109777c1e5d182c6d87a6752df6616deabb3..292f709c63b15cb2b19c99a820e426545879c76d 100644
--- a/chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.cc
@@ -378,6 +378,7 @@ void EnrollmentScreenHandler::DeclareLocalizedValues(
                IDS_ENTERPRISE_ENROLLMENT_ASSET_ID_LABEL);
   builder->Add("oauthEnrollLocationLabel",
                IDS_ENTERPRISE_ENROLLMENT_LOCATION_LABEL);
+  builder->Add("oauthEnrollWorking", IDS_ENTERPRISE_ENROLLMENT_WORKING_MESSAGE);
   // Do not use AddF for this string as it will be rendered by the JS code.
   builder->Add("oauthEnrollAbeSuccess", IDS_ENTERPRISE_ENROLLMENT_ABE_SUCCESS);
 }