Move chromeos::version_loader to src/chromeos/system

chromeos/chromeos.gyp

 # 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': {
     'chromium_code': 1,
     # These files lists are shared with the GN build.
     'chromeos_sources': [
       'accelerometer/accelerometer_reader.cc',
@@ skipping 383 matching lines @@
       'settings/cros_settings_names.cc',
       'settings/cros_settings_names.h',
       'settings/cros_settings_provider.cc',
       'settings/cros_settings_provider.h',
       'settings/timezone_settings.cc',
       'settings/timezone_settings.h',
       'system/name_value_pairs_parser.cc',
       'system/name_value_pairs_parser.h',
       'system/statistics_provider.cc',
       'system/statistics_provider.h',
+      'system/version_loader.cc',
+      'system/version_loader.h',
       'tpm/tpm_password_fetcher.cc',
       'tpm/tpm_password_fetcher.h',
       'tpm/tpm_token_info_getter.cc',
       'tpm/tpm_token_info_getter.h',
       'tpm/tpm_token_loader.cc',
       'tpm/tpm_token_loader.h'
     ],
     'chromeos_test_sources': [
       'app_mode/kiosk_oem_manifest_parser_unittest.cc',
       'attestation/attestation_flow_unittest.cc',
@@ skipping 44 matching lines @@
       'network/onc/onc_certificate_importer_impl_unittest.cc',
       'network/onc/onc_merger_unittest.cc',
       'network/onc/onc_normalizer_unittest.cc',
       'network/onc/onc_translator_unittest.cc',
       'network/onc/onc_utils_unittest.cc',
       'network/onc/onc_validator_unittest.cc',
       'network/shill_property_handler_unittest.cc',
       'process_proxy/process_output_watcher_unittest.cc',
       'process_proxy/process_proxy_unittest.cc',
       'system/name_value_pairs_parser_unittest.cc',
+      'system/version_loader_unittest.cc',
       'tpm/tpm_token_info_getter_unittest.cc',
     ],
   },
   'includes': [
     'chromeos_tools.gypi'
   ],
   'targets': [
     {
       # GN version: //chromeos
       'target_name': 'chromeos',
@@ skipping 195 matching lines @@
         '../third_party/cros_system_api/dbus/cryptohome/signed_secret.proto',
       ],
       'variables': {
         'proto_in_dir': '../third_party/cros_system_api/dbus/cryptohome',
         'proto_out_dir': 'chromeos/cryptohome',
       },
       'includes': ['../build/protoc.gypi'],
     },
   ],
 }