use additional_expectations as a command parameter

masters/master.chromium.webkit/master_linux_webkit_latest_cfg.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 master import master_config
 from master.factory import chromium_factory
 
 import config
 
 ActiveMaster = config.Master.ChromiumWebkit
@@ skipping 55 matching lines @@
   auto_reboot=False)
 F('f_webkit_linux_rel_asan', linux().ChromiumWebkitLatestFactory(
     tests=['webkit'],
     options=[
         '--build-tool=ninja',
         '--compiler=goma-clang',
         '--',
         'DumpRenderTree'
     ],
     factory_properties={
-        'additional_expectations_files': [
+        'additional_expectations': [
             ['webkit', 'tools', 'layout_tests', 'test_expectations_asan.txt' ],
         ],
         'gs_bucket': 'gs://webkit-asan',
         'gclient_env': {'GYP_DEFINES': asan_gyp, 'GYP_GENERATORS': 'ninja'},
         'time_out_ms': '18000'
     }))
 
 
 ################################################################################
 ## Debug
@@ skipping 29 matching lines @@
     ],
     factory_properties={
         'archive_webkit_results': ActiveMaster.is_production_host,
         'generate_gtest_json': True,
         'test_results_server': 'test-results.appspot.com',
         'gclient_env': { 'GYP_GENERATORS': 'ninja' },
     }))
 
 def Update(_config, active_master, c):
   return helper.Update(c)