Docserver: Implement the content providers infrastructure, where a

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 178 matching lines @@
           _cronlog.error('%s: error %s' % (title, traceback.format_exc()))
           results.append(False)
           if IsDeadlineExceededError(e): raise
         finally:
           _cronlog.info(
               '%s: took %s seconds' % (title, time.time() - start_time))
 
       for data_source in CreateDataSources(server_instance).values():
         run_cron(data_source)
 
-      run_cron(server_instance.redirector)
+      run_cron(server_instance.content_providers)
 
     except:
       results.append(False)
       # This should never actually happen (each cron step does its own
       # conservative error checking), so re-raise no matter what it is.
       _cronlog.error('uncaught error: %s' % traceback.format_exc())
       raise
     finally:
       success = all(results)
       _cronlog.info('finished (%s)', 'success' if success else 'FAILED')
@@ skipping 51 matching lines @@
     branch_utility = self._delegate.CreateBranchUtility(object_store_creator)
     host_file_system_provider = self._delegate.CreateHostFileSystemProvider(
         object_store_creator, max_trunk_revision=revision)
     github_file_system_provider = self._delegate.CreateGithubFileSystemProvider(
         object_store_creator)
     return ServerInstance(object_store_creator,
                           CompiledFileSystem.Factory(object_store_creator),
                           branch_utility,
                           host_file_system_provider,
                           github_file_system_provider)