Build a new TokenCacheService so I can stop using TokenService for something it wasn't designed for.

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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 773 matching lines @@
         'browser/extensions/sandboxed_unpacker_unittest.cc',
         'browser/extensions/script_badge_controller_unittest.cc',
         'browser/extensions/script_bubble_controller_unittest.cc',
         'browser/extensions/api/storage/policy_value_store_unittest.cc',
         'browser/extensions/api/storage/settings_frontend_unittest.cc',
         'browser/extensions/api/storage/settings_quota_unittest.cc',
         'browser/extensions/api/storage/settings_sync_unittest.cc',
         'browser/extensions/api/storage/settings_test_util.cc',
         'browser/extensions/api/storage/settings_test_util.h',
         'browser/extensions/shell_window_geometry_cache_unittest.cc',
+        'browser/extensions/token_cache/token_cache_service_unittest.cc',
         'browser/extensions/standard_management_policy_provider_unittest.cc',
         'browser/extensions/updater/extension_updater_unittest.cc',
         'browser/extensions/user_script_listener_unittest.cc',
         'browser/extensions/user_script_master_unittest.cc',
         'browser/extensions/webstore_standalone_installer_unittest.cc',
         'browser/external_protocol/external_protocol_handler_unittest.cc',
         'browser/favicon/favicon_handler_unittest.cc',
         'browser/file_select_helper_unittest.cc',
         'browser/first_run/first_run_unittest.cc',
         'browser/geolocation/chrome_geolocation_permission_context_unittest.cc',
@@ skipping 1585 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }