Docserver: Factor SamplesModel out of SamplesDataSource

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_data_source import APIDataSource
 from api_list_data_source import APIListDataSource
 from compiled_file_system import CompiledFileSystem
 from content_providers import ContentProviders
 from document_renderer import DocumentRenderer
 from empty_dir_file_system import EmptyDirFileSystem
@@ skipping 55 matching lines @@
 
     self.host_file_system_iterator = HostFileSystemIterator(
         host_file_system_provider,
         branch_utility)
 
     self.platform_bundle = PlatformBundle(
         branch_utility,
         self.compiled_fs_factory,
         host_fs_at_trunk,
         self.host_file_system_iterator,
-        self.object_store_creator)
-
-    # Note: samples are super slow in the dev server because it doesn't support
-    # async fetch, so disable them.
-    if IsDevServer():
-      extension_samples_fs = EmptyDirFileSystem()
-      app_samples_fs = EmptyDirFileSystem()
-    else:
-      extension_samples_fs = host_fs_at_trunk
-      # TODO(kalman): Re-enable the apps samples, see http://crbug.com/344097.
-      app_samples_fs = EmptyDirFileSystem()
-      #app_samples_fs = github_file_system_provider.Create(
-      #    'GoogleChrome', 'chrome-app-samples')
-    self.samples_data_source_factory = SamplesDataSource.Factory(
-        extension_samples_fs,
-        app_samples_fs,
-        CompiledFileSystem.Factory(object_store_creator),
-        self.platform_bundle,
-        base_path)
+        self.object_store_creator,
+        self.base_path)
 
     self.content_providers = ContentProviders(
         object_store_creator,
         self.compiled_fs_factory,
         host_fs_at_trunk,
         self.github_file_system_provider,
         self.gcs_file_system_provider)
 
     # TODO(kalman): Move all the remaining DataSources into DataSourceRegistry,
     # then factor out the DataSource creation into a factory method, so that
@@ skipping 36 matching lines @@
                                               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(),
         CloudStorageFileSystemProvider(object_store_creator))