Componentize //chrome/browser/prefs/tracked.

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 165 matching lines @@
       'browser/predictors/resource_prefetch_predictor_tables_unittest.cc',
       'browser/predictors/resource_prefetch_predictor_unittest.cc',
       'browser/predictors/resource_prefetcher_unittest.cc',
       'browser/prefs/chrome_pref_service_unittest.cc',
       'browser/prefs/command_line_pref_store_unittest.cc',
       'browser/prefs/incognito_mode_prefs_unittest.cc',
       'browser/prefs/pref_model_associator_unittest.cc',
       'browser/prefs/prefs_syncable_service_unittest.cc',
       'browser/prefs/profile_pref_store_manager_unittest.cc',
       'browser/prefs/session_startup_pref_unittest.cc',
-      'browser/prefs/tracked/device_id_unittest.cc',
-      'browser/prefs/tracked/mock_validation_delegate.cc',
-      'browser/prefs/tracked/mock_validation_delegate.h',
-      'browser/prefs/tracked/pref_hash_calculator_unittest.cc',
-      'browser/prefs/tracked/pref_hash_filter_unittest.cc',
-      'browser/prefs/tracked/pref_hash_store_impl_unittest.cc',
-      'browser/prefs/tracked/pref_service_hash_store_contents_unittest.cc',
-      'browser/prefs/tracked/segregated_pref_store_unittest.cc',
-      'browser/prefs/tracked/tracked_preferences_migration_unittest.cc',
       'browser/prerender/prerender_history_unittest.cc',
       'browser/prerender/prerender_resource_throttle_unittest.cc',
       'browser/prerender/prerender_unittest.cc',
       'browser/prerender/prerender_util_unittest.cc',
       'browser/private_working_set_snapshot_win_unittest.cc',
       'browser/process_info_snapshot_mac_unittest.cc',
       'browser/process_singleton_win_unittest.cc',
       'browser/profiles/file_path_verifier_win_unittest.cc',
       'browser/profiles/gaia_info_update_service_unittest.cc',
       'browser/profiles/profile_attributes_storage_unittest.cc',
@@ skipping 1463 matching lines @@
         '../components/components.gyp:invalidation_test_support',
         '../components/components.gyp:metrics_test_support',
         '../components/components.gyp:omnibox_test_support',
         '../components/components.gyp:password_manager_core_browser_test_support',
         '../components/components.gyp:pref_registry_test_support',
         '../components/components.gyp:rappor_test_support',
         '../components/components.gyp:search_engines_test_support',
         '../components/components.gyp:signin_core_browser_test_support',
         '../components/components.gyp:sync_driver_test_support',
         '../components/components.gyp:update_client_test_support',
+        '../components/components.gyp:user_prefs_tracked_test_support',
         '../components/components.gyp:wallpaper',
         '../content/content.gyp:content_app_both',
         '../content/content_shell_and_tests.gyp:test_support_content',
         '../net/net.gyp:net',
         '../net/net.gyp:net_test_support',
         '../skia/skia.gyp:skia',
         '../sql/sql.gyp:sql',
         '../sql/sql.gyp:test_support_sql',
         '../sync/sync.gyp:sync',
         '../testing/gmock.gyp:gmock',
@@ skipping 1207 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }