Docserver: SidenavDataSource refactor, transition to DataSourceRegistry

chrome/common/extensions/docs/server2/permissions_data_source.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.
 
 from itertools import ifilter
 from operator import itemgetter
 
 import features_utility as features
 from third_party.json_schema_compiler.json_parse import Parse
 
@@ skipping 40 matching lines @@
     self._permissions_features_path = permissions_features_path
     self._permissions_json_path = permissions_json_path
     self._file_system = file_system
     self._cache = compiled_fs_factory.Create(
         self._CreatePermissionsDataSource, PermissionsDataSource)
 
   def SetTemplateDataSource(self, template_data_source_factory):
     '''Initialize a template data source to be used to render partial templates
     into descriptions for permissions. Must be called before .get
     '''
-    self._template_data_source = template_data_source_factory.Create(None, '')
+    self._template_data_source = template_data_source_factory.Create(
+        None, {})
 
   def _CreatePermissionsDataSource(self, _, content):
     '''Combine the contents of |_permissions_json_path| and
     |_permissions_features_path|. Filter into lists, one for extensions and
     one for apps.
     '''
     api_features = Parse(self._file_system.ReadSingle(self._api_features_path))
 
     def filter_for_platform(permissions, platform):
       return _ListifyPermissions(features.Filtered(permissions, platform))
@@ skipping 14 matching lines @@
         del permission['partial']
 
     return {
       'declare_apps': filter_for_platform(permission_features, 'app'),
       'declare_extensions': filter_for_platform(
           permission_features, 'extension')
     }
 
   def get(self, key):
     return self._cache.GetFromFile(self._permissions_features_path)[key]