[Sync] Initial USS service implementation for DeviceInfo.

components/components_tests.gyp

 # 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.
 
 {
   'variables': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 636 matching lines @@
       'suggestions/blacklist_store_unittest.cc',
       'suggestions/image_manager_unittest.cc',
       'suggestions/suggestions_service_unittest.cc',
       'suggestions/suggestions_store_unittest.cc',
     ],
     'sync_driver_unittest_sources': [
       'sync_driver/about_sync_util_unittest.cc',
       'sync_driver/backup_rollback_controller_unittest.cc',
       'sync_driver/data_type_manager_impl_unittest.cc',
       'sync_driver/device_info_data_type_controller_unittest.cc',
+      'sync_driver/device_info_service_unittest.cc',
       'sync_driver/device_info_sync_service_unittest.cc',
       'sync_driver/favicon_cache_unittest.cc',
       'sync_driver/generic_change_processor_unittest.cc',
       'sync_driver/model_association_manager_unittest.cc',
       'sync_driver/non_blocking_data_type_controller_unittest.cc',
       'sync_driver/non_ui_data_type_controller_unittest.cc',
       'sync_driver/shared_change_processor_unittest.cc',
       'sync_driver/sync_prefs_unittest.cc',
       'sync_driver/sync_stopped_reporter_unittest.cc',
       'sync_driver/sync_util_unittest.cc',
@@ skipping 1105 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }