Docserver: Include <h4> tags in the table of contents, it's needed for the API

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

 # Copyright (c) 2012 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 api_categorizer import APICategorizer
 from api_data_source import APIDataSource
 from api_list_data_source import APIListDataSource
 from api_models import APIModels
 from availability_finder import AvailabilityFinder
 from compiled_file_system import CompiledFileSystem
@@ skipping 49 matching lines @@
     self.compiled_fs_factory = compiled_fs_factory
 
     self.host_file_system_provider = host_file_system_provider
     host_fs_at_trunk = host_file_system_provider.GetTrunk()
 
     self.github_file_system_provider = github_file_system_provider
 
     assert base_path.startswith('/') and base_path.endswith('/')
     self.base_path = base_path
 
-    self.document_renderer = DocumentRenderer(TableOfContentsRenderer(
-        host_fs_at_trunk,
-        compiled_fs_factory))
-
     self.host_file_system_iterator = HostFileSystemIterator(
         host_file_system_provider,
         branch_utility)
 
     self.features_bundle = FeaturesBundle(
         host_fs_at_trunk,
         self.compiled_fs_factory,
         self.object_store_creator)
 
     self.api_models = APIModels(
@@ skipping 62 matching lines @@
     self.content_providers = ContentProviders(
         self.compiled_fs_factory,
         host_fs_at_trunk,
         self.github_file_system_provider)
 
     # TODO(kalman): Move all the remaining DataSources into DataSourceRegistry,
     # then factor out the DataSource creation into a factory method, so that
     # the entire ServerInstance doesn't need to be passed in here.
     self.template_renderer = TemplateRenderer(self)
 
+    # TODO(kalman): It may be better for |document_renderer| to construct a
+    # TemplateDataSource itself rather than depending on template_renderer, but
+    # for that the above todo should be addressed.
+    self.document_renderer = DocumentRenderer(TableOfContentsRenderer(
+        host_fs_at_trunk,
+        compiled_fs_factory,
+        self.template_renderer))
+
   @staticmethod
   def ForTest(file_system=None, file_system_provider=None, base_path='/'):
     object_store_creator = ObjectStoreCreator.ForTest()
     if file_system is None and file_system_provider is None:
       raise ValueError('Either |file_system| or |file_system_provider| '
                        'must be specified')
     if file_system and file_system_provider:
       raise ValueError('Only one of |file_system| and |file_system_provider| '
                        'can be specified')
     if file_system_provider is None:
@@ skipping 12 matching lines @@
     object_store_creator = ObjectStoreCreator(start_empty=False,
                                               store_type=TestObjectStore)
     host_file_system_provider = HostFileSystemProvider.ForLocal(
         object_store_creator)
     return ServerInstance(
         object_store_creator,
         CompiledFileSystem.Factory(object_store_creator),
         TestBranchUtility.CreateWithCannedData(),
         host_file_system_provider,
         GithubFileSystemProvider.ForEmpty())