Docserver: Use GitilesFileSystem instead of SubversionFileSystem

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 38 matching lines @@
         Creates FileSystem instances backed by GitHub.
     |base_path|
         The path which all HTML is generated relative to. Usually this is /
         but some servlets need to override this.
     '''
     self.object_store_creator = object_store_creator
 
     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()
+    host_fs_at_trunk = host_file_system_provider.GetMaster()
 
     self.github_file_system_provider = github_file_system_provider
     self.gcs_file_system_provider = gcs_file_system_provider
 
     assert base_path.startswith('/') and base_path.endswith('/')
     self.base_path = base_path
 
     self.host_file_system_iterator = HostFileSystemIterator(
         host_file_system_provider,
         branch_utility)
@@ skipping 54 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))