Docserver: Use GitilesFileSystem instead of SubversionFileSystem

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

 #!/usr/bin/env python
 # Copyright 2014 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 base64
 import json
 import unittest
 
 from extensions_paths import SERVER2
@@ skipping 29 matching lines @@
 
 
 class DownloadError(Exception):
   pass
 
 
 class _FakeGitilesFetcher(object):
   def __init__(self, fs):
     self._fs = fs
 
-  def FetchAsync(self, url):
+  def FetchAsync(self, url, access_token=None):
     def resolve():
       assert '?' in url
       if url == _BASE_URL + '?format=JSON':
         return _Response(json.dumps({'commit': 'a_commit'}))
       path, fmt = url.split('?')
       # Fetch urls are of the form <base_url>/<path>. We only want <path>.
       path = path.split('/', 1)[1]
       if path == _REAL_DATA_DIR:
         return _Response(ReadFile(*_TEST_DATA))
       # ALWAYS skip not found here.
@@ skipping 93 matching lines @@
     other_gitiles_fs = GitilesFileSystem.Create(commit='abcdefghijklmnop')
     self.assertEqual(self._gitiles_fs.GetIdentity(),
                      other_gitiles_fs.GetIdentity())
 
     yet_another_gitiles_fs = GitilesFileSystem.Create(branch='different')
     self.assertNotEqual(self._gitiles_fs.GetIdentity(),
                         yet_another_gitiles_fs.GetIdentity())
 
 if __name__ == '__main__':
   unittest.main()