add GCS support to docs server

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

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 import json
 import unittest
 
 from compiled_file_system import CompiledFileSystem
 from content_providers import ContentProviders
 from extensions_paths import EXTENSIONS
+from gcs_file_system_provider import CloudStorageFileSystemProvider
 from object_store_creator import ObjectStoreCreator
 from test_file_system import TestFileSystem
 from test_util import DisableLogging
 
 
 _CONTENT_PROVIDERS = {
   'apples': {
     'chromium': {
       'dir': 'chrome/common/extensions/apples'
     },
@@ skipping 73 matching lines @@
   def GetAndReset(self):
     calls = self._calls
     self._calls = []
     return calls
 
 
 class ContentProvidersTest(unittest.TestCase):
   def setUp(self):
     test_file_system = TestFileSystem(_FILE_SYSTEM_DATA, relative_to=EXTENSIONS)
     self._github_fs_provider = _MockGithubFileSystemProvider(test_file_system)
+    object_store_creator = ObjectStoreCreator.ForTest()
+    # TODO(mangini): create tests for GCS
+    self._gcs_fs_provider = CloudStorageFileSystemProvider(object_store_creator)
     self._content_providers = ContentProviders(
-        CompiledFileSystem.Factory(ObjectStoreCreator.ForTest()),
+        CompiledFileSystem.Factory(object_store_creator),
         test_file_system,
-        self._github_fs_provider)
+        self._github_fs_provider,
+        self._gcs_fs_provider)
 
   def testSimpleRootPath(self):
     provider = self._content_providers.GetByName('apples')
     self.assertEqual(
         'gala apples',
         provider.GetContentAndType('gala.txt').Get().content)
     self.assertEqual(
         'granny smith apples',
         provider.GetContentAndType('green/granny smith.txt').Get().content)
 
@@ skipping 60 matching lines @@
     self.assertEqual('github-provider-with-dir', provider.name)
     self.assertEqual('fruit/cherry.txt', path)
     self.assertEqual([('SomeOwner', 'some-repo')],
                      self._github_fs_provider.GetAndReset())
     self.assertEqual(
         'cherry tomatoes',
         provider.GetContentAndType(path).Get().content)
 
 if __name__ == '__main__':
   unittest.main()