Doc server: support interfaces in src/extensions

chrome/common/extensions/docs/server2/cron_servlet_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 unittest
 
 from appengine_wrappers import GetAppVersion
 from app_yaml_helper import AppYamlHelper
 from content_providers import IgnoreMissingContentProviders
 from cron_servlet import CronServlet
 from empty_dir_file_system import EmptyDirFileSystem
 from extensions_paths import (
-    APP_YAML, CONTENT_PROVIDERS, EXTENSIONS, PUBLIC_TEMPLATES, SERVER2,
+    APP_YAML, CONTENT_PROVIDERS, CHROME_EXTENSIONS, PUBLIC_TEMPLATES, SERVER2,
     STATIC_DOCS)
 from gcs_file_system_provider import CloudStorageFileSystemProvider
 from github_file_system_provider import GithubFileSystemProvider
 from host_file_system_provider import HostFileSystemProvider
 from local_file_system import LocalFileSystem
 from mock_file_system import MockFileSystem
 from servlet import Request
 from test_branch_utility import TestBranchUtility
 from test_file_system import MoveTo, TestFileSystem
 from test_util import EnableLogging, ReadFile
@@ skipping 123 matching lines @@
       })
 
     storage_html_path = PUBLIC_TEMPLATES + 'apps/storage.html'
     static_txt_path = STATIC_DOCS + 'static.txt'
 
     def create_file_system(revision=None):
       '''Creates a MockFileSystem at |revision| by applying that many |updates|
       to it.
       '''
       mock_file_system = MockFileSystem(
-          TestFileSystem(test_data, relative_to=EXTENSIONS))
+          TestFileSystem(test_data, relative_to=CHROME_EXTENSIONS))
       updates_for_revision = (
           updates if revision is None else updates[:int(revision)])
       for update in updates_for_revision:
         mock_file_system.Update(update)
       return mock_file_system
 
     delegate = _TestDelegate(create_file_system)
     delegate.SetAppVersion('2-0-8')
 
     file_systems = delegate.file_systems
@@ skipping 67 matching lines @@
     self.assertEqual(AppYamlHelper.GenerateAppYaml('2-1-0'),
                      file_systems[-1].ReadSingle(APP_YAML).Get())
     self.assertEqual('<h1>y</h1> u not update!',
                      file_systems[-1].ReadSingle(storage_html_path).Get())
     self.assertEqual('important content!',
                      file_systems[-1].ReadSingle(static_txt_path).Get())
 
 
 if __name__ == '__main__':
   unittest.main()