Make Hands-Off Zero-Touch Enrollment compatibile with tests

chrome/browser/chromeos/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//printing/features/features.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 1506 matching lines @@
 
   sources = [
     "login/enrollment/enterprise_enrollment_helper_mock.cc",
     "login/enrollment/enterprise_enrollment_helper_mock.h",
     "login/enrollment/mock_enrollment_screen.cc",
     "login/enrollment/mock_enrollment_screen.h",
     "login/mock_network_state_helper.cc",
     "login/mock_network_state_helper.h",
     "login/screens/mock_base_screen_delegate.cc",
     "login/screens/mock_base_screen_delegate.h",
+    "login/screens/mock_error_screen.cc",
+    "login/screens/mock_error_screen.h",
     "login/screens/mock_model_view_channel.cc",
     "login/screens/mock_model_view_channel.h",
     "login/screens/mock_network_screen.cc",
     "login/screens/mock_network_screen.h",
+    "login/screens/mock_update_screen.cc",
+    "login/screens/mock_update_screen.h",
   ]
 
   deps = [
     ":chromeos",
+    "//chromeos",
     "//components/policy/proto",
+    "//crypto:platform",
     "//skia",
     "//testing/gmock",
   ]
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
     # TODO(lukasza): Move Drive tests outside of CrOS (crbug.com/498951).
@@ skipping 128 matching lines @@
     "login/enrollment/enrollment_screen_unittest.cc",
     "login/error_screens_histogram_helper_unittest.cc",
     "login/existing_user_controller_auto_login_unittest.cc",
     "login/hwid_checker_unittest.cc",
     "login/profile_auth_data_unittest.cc",
     "login/quick_unlock/fingerprint_storage_unittest.cc",
     "login/quick_unlock/pin_storage_unittest.cc",
     "login/quick_unlock/quick_unlock_storage_unittest.cc",
     "login/saml/saml_offline_signin_limiter_unittest.cc",
     "login/screens/network_screen_unittest.cc",
+    "login/screens/update_screen_unittest.cc",
     "login/signin/merge_session_load_page_unittest.cc",
     "login/supervised/supervised_user_authentication_unittest.cc",
     "login/users/affiliation_unittest.cc",
     "login/users/multi_profile_user_controller_unittest.cc",
     "login/users/user_manager_unittest.cc",
     "login/users/wallpaper/wallpaper_manager_unittest.cc",
     "mobile/mobile_activator_unittest.cc",
     "mobile_config_unittest.cc",
     "net/cert_verify_proc_chromeos_unittest.cc",
     "net/client_cert_store_chromeos_unittest.cc",
@@ skipping 161 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }