[Sync] Componentize local_device_info_provider_impl and test

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 208 matching lines @@
       'browser/status_icons/status_icon_unittest.cc',
       'browser/status_icons/status_tray_unittest.cc',
       'browser/storage/durable_storage_permission_context_unittest.cc',
       'browser/sync/abstract_profile_sync_service_test.cc',
       'browser/sync/abstract_profile_sync_service_test.h',
       'browser/sync/backend_migrator_unittest.cc',
       'browser/sync/glue/autofill_data_type_controller_unittest.cc',
       'browser/sync/glue/bookmark_data_type_controller_unittest.cc',
       'browser/sync/glue/browser_thread_model_worker_unittest.cc',
       'browser/sync/glue/frontend_data_type_controller_unittest.cc',
-      'browser/sync/glue/local_device_info_provider_unittest.cc',
       'browser/sync/glue/non_frontend_data_type_controller_unittest.cc',
       'browser/sync/glue/search_engine_data_type_controller_unittest.cc',
       'browser/sync/glue/sync_backend_host_impl_unittest.cc',
       'browser/sync/glue/sync_backend_host_mock.cc',
       'browser/sync/glue/sync_backend_host_mock.h',
       'browser/sync/glue/sync_backend_registrar_unittest.cc',
       'browser/sync/glue/synced_session_tracker_unittest.cc',
       'browser/sync/glue/synced_session_util_unittest.cc',
       'browser/sync/glue/synced_tab_delegate_unittest.cc',
       'browser/sync/glue/typed_url_model_associator_unittest.cc',
@@ skipping 2720 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }