Show a spinner UI for zero-touch enrollment

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.h"
 
 #include <algorithm>
 
 #include "ash/common/system/chromeos/devicetype_utils.h"
 #include "base/bind.h"
@@ skipping 362 matching lines @@
   builder->Add("oauthEnrollExplainAttributeLink",
                IDS_ENTERPRISE_ENROLLMENT_EXPLAIN_ATTRIBUTE_LINK);
   builder->Add("oauthEnrollAttributeExplanation",
                IDS_ENTERPRISE_ENROLLMENT_ATTRIBUTE_EXPLANATION);
   builder->Add("oauthEnrollAssetIdLabel",
                IDS_ENTERPRISE_ENROLLMENT_ASSET_ID_LABEL);
   builder->Add("oauthEnrollLocationLabel",
                IDS_ENTERPRISE_ENROLLMENT_LOCATION_LABEL);
   // Do not use AddF for this string as it will be rendered by the JS code.
   builder->Add("oauthEnrollAbeSuccess", IDS_ENTERPRISE_ENROLLMENT_ABE_SUCCESS);
+  builder->Add("oauthEnrollWorking", IDS_ENTERPRISE_ENROLLMENT_WORKING_MESSAGE);

[xiyuan, 2016/09/16 19:45:15]

nit: Move this before L 381.

[kumarniranjan, 2016/09/16 20:53:40]

Done.

 }
 
 bool EnrollmentScreenHandler::IsOnEnrollmentScreen() const {
   return (GetCurrentScreen() == OobeScreen::SCREEN_OOBE_ENROLLMENT);
 }
 
 bool EnrollmentScreenHandler::IsEnrollmentScreenHiddenByError() const {
   return (GetCurrentScreen() == OobeScreen::SCREEN_ERROR_MESSAGE &&
           network_error_model_->GetParentScreen() ==
               OobeScreen::SCREEN_OOBE_ENROLLMENT);
@@ skipping 176 matching lines @@
 
   ShowScreenWithData(OobeScreen::SCREEN_OOBE_ENROLLMENT, &screen_data);
   if (first_show_) {
     first_show_ = false;
     UpdateStateInternal(NetworkError::ERROR_REASON_UPDATE, true);
   }
   histogram_helper_->OnScreenShow();
 }
 
 }  // namespace chromeos