Dynamically generate a heading for Extension Docs API pages

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

 # 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 logging
 import time
 import traceback
 
 from app_yaml_helper import AppYamlHelper
 from appengine_wrappers import (
@@ skipping 199 matching lines @@
         channel, delegate.GetAppVersion(), safe_revision))
 
     return self._CreateServerInstance(channel, safe_revision)
 
   def _CreateObjectStoreCreator(self, channel):
     return ObjectStoreCreator(channel, start_empty=True)
 
   def _GetBranchForChannel(self, channel):
     object_store_creator = self._CreateObjectStoreCreator(channel)
     return (self._delegate.CreateBranchUtility(object_store_creator)
-        .GetBranchForChannel(channel))
+        .GetChannelInfo(channel).branch)
 
   def _CreateServerInstance(self, channel, revision):
     object_store_creator = self._CreateObjectStoreCreator(channel)
     host_file_system = CachingFileSystem(
         self._delegate.CreateHostFileSystemForBranchAndRevision(
-            self._GetBranchForChannel(channel),
+            self._GetBranchForChannel,
             revision),
         object_store_creator)
     app_samples_file_system = self._delegate.CreateAppSamplesFileSystem(
         object_store_creator)
     compiled_host_fs_factory = CompiledFileSystem.Factory(
         host_file_system,
         object_store_creator)
+    def create_file_system(branch):
+      return CachingFileSystem(SubversionFileSystem.Create(branch),
+                               object_store_creator)
     return ServerInstance(channel,
                           object_store_creator,
                           host_file_system,
                           app_samples_file_system,
                           '/static' if channel == 'stable' else
                               '/%s/static' % channel,
-                          compiled_host_fs_factory)
+                          compiled_host_fs_factory,
+                          create_file_system)