kiosk: Defer app update until platform matches

chrome/chrome_browser_chromeos.gypi

 # 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.
 
 {
   'variables': {
     # These files lists are shared with the GN build.
     'browser_chromeos_sources': [
         # All .cc, .h, .m, and .mm files under browser/chromeos, except for tests
@@ skipping 19 matching lines @@
         'browser/chromeos/app_mode/kiosk_app_data.cc',
         'browser/chromeos/app_mode/kiosk_app_data.h',
         'browser/chromeos/app_mode/kiosk_app_data_delegate.h',
         'browser/chromeos/app_mode/kiosk_app_external_loader.cc',
         'browser/chromeos/app_mode/kiosk_app_external_loader.h',
         'browser/chromeos/app_mode/kiosk_app_launch_error.cc',
         'browser/chromeos/app_mode/kiosk_app_launch_error.h',
         'browser/chromeos/app_mode/kiosk_app_manager.cc',
         'browser/chromeos/app_mode/kiosk_app_manager.h',
         'browser/chromeos/app_mode/kiosk_app_manager_observer.h',
+        'browser/chromeos/app_mode/kiosk_app_update_install_gate.cc',
+        'browser/chromeos/app_mode/kiosk_app_update_install_gate.h',
         'browser/chromeos/app_mode/kiosk_app_update_service.cc',
         'browser/chromeos/app_mode/kiosk_app_update_service.h',
         'browser/chromeos/app_mode/kiosk_diagnosis_runner.cc',
         'browser/chromeos/app_mode/kiosk_diagnosis_runner.h',
         'browser/chromeos/app_mode/kiosk_external_update_validator.cc',
         'browser/chromeos/app_mode/kiosk_external_update_validator.h',
         'browser/chromeos/app_mode/kiosk_external_updater.cc',
         'browser/chromeos/app_mode/kiosk_external_updater.h',
         'browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.cc',
         'browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h',
@@ skipping 1291 matching lines @@
         'browser/chromeos/attestation/attestation_signed_data.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }