Migrate Obsolete NotificationsSettings and remove content_settings::NotificationsProvider.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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',
@@ skipping 1495 matching lines @@
         'browser/net/predictor_unittest.cc',
         'browser/net/pref_proxy_config_service_unittest.cc',
         'browser/net/quoted_printable_unittest.cc',
         'browser/net/sqlite_origin_bound_cert_store_unittest.cc',
         'browser/net/sqlite_persistent_cookie_store_unittest.cc',
         'browser/net/ssl_config_service_manager_pref_unittest.cc',
         'browser/net/url_fixer_upper_unittest.cc',
         'browser/net/url_info_unittest.cc',
         'browser/notifications/desktop_notification_service_unittest.cc',
         'browser/notifications/notification_exceptions_table_model_unittest.cc',
-        'browser/notifications/notifications_prefs_cache_unittest.cc',
         'browser/parsers/metadata_parser_filebase_unittest.cc',
         'browser/password_manager/encryptor_password_mac_unittest.cc',
         'browser/password_manager/encryptor_unittest.cc',
         'browser/password_manager/login_database_unittest.cc',
         'browser/password_manager/native_backend_gnome_x_unittest.cc',
         'browser/password_manager/password_form_data.cc',
         'browser/password_manager/password_form_manager_unittest.cc',
         'browser/password_manager/password_manager_unittest.cc',
         'browser/password_manager/password_store_default_unittest.cc',
         'browser/password_manager/password_store_mac_unittest.cc',
@@ skipping 2591 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }