Revert "Doc server: support interfaces in src/extensions"

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

Index: chrome/common/extensions/docs/server2/cron_servlet_test.py
diff --git a/chrome/common/extensions/docs/server2/cron_servlet_test.py b/chrome/common/extensions/docs/server2/cron_servlet_test.py
index 303f5486938b212e59cb0d6963501588aceb538d..d54848456f64da804bb85b6d6d6883bd8461d7cd 100755
--- a/chrome/common/extensions/docs/server2/cron_servlet_test.py
+++ b/chrome/common/extensions/docs/server2/cron_servlet_test.py
@@ -11,7 +11,7 @@ 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, CHROME_EXTENSIONS, PUBLIC_TEMPLATES, SERVER2,
+    APP_YAML, CONTENT_PROVIDERS, EXTENSIONS, PUBLIC_TEMPLATES, SERVER2,
     STATIC_DOCS)
 from gcs_file_system_provider import CloudStorageFileSystemProvider
 from github_file_system_provider import GithubFileSystemProvider
@@ -155,7 +155,7 @@ class CronServletTest(unittest.TestCase):
       to it.
       '''
       mock_file_system = MockFileSystem(
-          TestFileSystem(test_data, relative_to=CHROME_EXTENSIONS))
+          TestFileSystem(test_data, relative_to=EXTENSIONS))
       updates_for_revision = (
           updates if revision is None else updates[:int(revision)])
       for update in updates_for_revision: