Docserver: make file_system a property of Create

chrome/common/extensions/docs/server2/api_data_source_test.py

 #!/usr/bin/env python
 # 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.
 
 from copy import deepcopy
 import json
 import os
 import sys
 import unittest
@@ skipping 59 matching lines @@
 
   def get(self, key):
     return 'handlebar %s' % key
 
 
 class APIDataSourceTest(unittest.TestCase):
 
   def setUp(self):
     self._base_path = os.path.join(sys.path[0], 'test_data', 'test_json')
     self._compiled_fs_factory = CompiledFileSystem.Factory(
-        TestFileSystem(CANNED_TEST_FILE_SYSTEM_DATA),
         ObjectStoreCreator.ForTest())
     self._json_cache = self._compiled_fs_factory.Create(
+        TestFileSystem(CANNED_TEST_FILE_SYSTEM_DATA),
         lambda _, json: json_parse.Parse(json),
         APIDataSourceTest,
         'test')
 
   def _ReadLocalFile(self, filename):
     with open(os.path.join(self._base_path, filename), 'r') as f:
       return f.read()
 
   def _CreateRefResolver(self, filename):
     data_source = FakeAPIAndListDataSource(
@@ skipping 295 matching lines @@
     self.assertFalse('addRulesFunction' in dict_['events'][1])
     # But addListener should be defined.
     self.assertEquals('tester', dict_['name'])
     self.assertEquals('noRules', dict_['events'][1]['name'])
     self.assertEquals('callback',
                       dict_['events'][0]['addListenerFunction'][
                           'parameters'][0]['name'])
 
 if __name__ == '__main__':
   unittest.main()