chromeos: Move device shutdown handling out of chrome into ash

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 1095 matching lines @@
     "power/login_lock_state_notifier.cc",
     "power/login_lock_state_notifier.h",
     "power/peripheral_battery_observer.cc",
     "power/peripheral_battery_observer.h",
     "power/power_data_collector.cc",
     "power/power_data_collector.h",
     "power/power_prefs.cc",
     "power/power_prefs.h",
     "power/renderer_freezer.cc",
     "power/renderer_freezer.h",
-    "power/shutdown_client_impl.cc",
-    "power/shutdown_client_impl.h",
     "preferences.cc",
     "preferences.h",
     "printer_detector/printer_detector.cc",
     "printer_detector/printer_detector.h",
     "printer_detector/printer_detector_factory.cc",
     "printer_detector/printer_detector_factory.h",
     "printing/cups_print_job.cc",
     "printing/cups_print_job.h",
     "printing/cups_print_job_manager.cc",
     "printing/cups_print_job_manager.h",
@@ skipping 46 matching lines @@
     "settings/device_settings_provider.cc",
     "settings/device_settings_provider.h",
     "settings/device_settings_service.cc",
     "settings/device_settings_service.h",
     "settings/install_attributes.cc",
     "settings/install_attributes.h",
     "settings/owner_flags_storage.cc",
     "settings/owner_flags_storage.h",
     "settings/session_manager_operation.cc",
     "settings/session_manager_operation.h",
+    "settings/shutdown_policy_forwarder.cc",
+    "settings/shutdown_policy_forwarder.h",
     "settings/shutdown_policy_handler.cc",
     "settings/shutdown_policy_handler.h",
     "settings/stub_cros_settings_provider.cc",
     "settings/stub_cros_settings_provider.h",
     "settings/system_settings_provider.cc",
     "settings/system_settings_provider.h",
     "settings/token_encryptor.cc",
     "settings/token_encryptor.h",
     "sim_dialog_delegate.cc",
     "sim_dialog_delegate.h",
@@ skipping 450 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }