Docserver: SidenavDataSource refactor, transition to DataSourceRegistry

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

Index: chrome/common/extensions/docs/server2/strings_data_source.py
diff --git a/chrome/common/extensions/docs/server2/strings_data_source.py b/chrome/common/extensions/docs/server2/strings_data_source.py
index 50433618e672779c122ac4beef5a8f0fb021ba31..3f0eed4a71ab2c46595a2cb1a9ad261245f91d77 100644
--- a/chrome/common/extensions/docs/server2/strings_data_source.py
+++ b/chrome/common/extensions/docs/server2/strings_data_source.py
@@ -9,7 +9,7 @@ class StringsDataSource(DataSource):
   '''Provides templates with access to a key to string mapping defined in a
   JSON configuration file.
   '''
-  def __init__(self, server_instance):
+  def __init__(self, server_instance, _):
     self._cache = server_instance.compiled_host_fs_factory.Create(
         lambda _, strings_json: Parse(strings_json), StringsDataSource)
     self._strings_json_path = server_instance.strings_json_path