Docserver: there is only one.

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 0ee14a371907617485e613a0586a3d20e099ae52..9f4b7e4c9cba99f4e47691eb9a040424900703ce 100755
--- a/chrome/common/extensions/docs/server2/cron_servlet_test.py
+++ b/chrome/common/extensions/docs/server2/cron_servlet_test.py
@@ -12,7 +12,6 @@ from empty_dir_file_system import EmptyDirFileSystem
 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 TestFileSystem
 from test_util import EnableLogging
 
@@ -26,10 +25,7 @@ class _TestDelegate(CronServlet.Delegate):
     self._create_file_system = create_file_system
     self._app_version = GetAppVersion()
 
-  def CreateBranchUtility(self, object_store_creator):
-    return TestBranchUtility()
-
-  def CreateHostFileSystemForBranchAndRevision(self, branch, revision):
+  def CreateHostFileSystemForRevision(self, revision):
     file_system = self._create_file_system(revision)
     self.file_systems.append(file_system)
     return file_system