Move PrefMember and PrefChangeRegistrar to api directory.

chrome/chrome_tests.gypi

 # 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 989 matching lines @@
               'UseLibraryDependencyInputs': "true",
             }],
           ],
         },
       },
       'sources': [
         'app/breakpad_mac_stubs.mm',
         'app/chrome_dll.rc',
         # All unittests in browser, common, renderer and service.
         'browser/about_flags_unittest.cc',
+        'browser/api/prefs/pref_change_registrar_unittest.cc',
+        'browser/api/prefs/pref_member_unittest.cc',
         'browser/app_controller_mac_unittest.mm',
         'browser/autocomplete/autocomplete_input_unittest.cc',
         'browser/autocomplete/autocomplete_match_unittest.cc',
         'browser/autocomplete/autocomplete_provider_unittest.cc',
         'browser/autocomplete/autocomplete_result_unittest.cc',
         'browser/autocomplete/builtin_provider_unittest.cc',
         'browser/autocomplete/extension_app_provider_unittest.cc',
         'browser/autocomplete/history_contents_provider_unittest.cc',
         'browser/autocomplete/history_quick_provider_unittest.cc',
         'browser/autocomplete/history_url_provider_unittest.cc',
@@ skipping 448 matching lines @@
         'browser/policy/user_policy_signin_service_unittest.cc',
         'browser/predictors/autocomplete_action_predictor_table_unittest.cc',
         'browser/predictors/autocomplete_action_predictor_unittest.cc',
         'browser/predictors/resource_prefetch_predictor_unittest.cc',
         'browser/predictors/resource_prefetch_predictor_tables_unittest.cc',
         'browser/preferences_mock_mac.cc',
         'browser/preferences_mock_mac.h',
         'browser/prefs/command_line_pref_store_unittest.cc',
         'browser/prefs/incognito_mode_prefs_unittest.cc',
         'browser/prefs/overlay_user_pref_store_unittest.cc',
-        'browser/prefs/pref_change_registrar_unittest.cc',
-        'browser/prefs/pref_member_unittest.cc',
         'browser/prefs/pref_model_associator_unittest.cc',
         'browser/prefs/pref_notifier_impl_unittest.cc',
         'browser/prefs/pref_service_unittest.cc',
         'browser/prefs/pref_set_observer_unittest.cc',
         'browser/prefs/pref_value_map_unittest.cc',
         'browser/prefs/pref_value_store_unittest.cc',
         'browser/prefs/proxy_config_dictionary_unittest.cc',
         'browser/prefs/proxy_policy_unittest.cc',
         'browser/prefs/proxy_prefs_unittest.cc',
         'browser/prefs/scoped_user_pref_update_unittest.cc',
@@ skipping 3210 matching lines @@
                 '--result', '<@(_outputs)',
                 '--isolate', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }