Add app_list_unittests as a test step and tree closer on mac, win, and linux_aura.

masters/master.chromium.mac/master_mac_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
 
 defaults = {}
 
 helper = master_config.Helper(defaults)
@@ skipping 76 matching lines @@
 
 #
 # Mac Rel testers
 #
 B('Mac10.6 Tests (1)', 'rel_unit_1', 'testers', 'mac_rel_trigger',
   notify_on_missing=True)
 F('rel_unit_1', mac_tester().ChromiumFactory(
   slave_type='Tester',
   build_url=rel_archive,
   tests=[
+    'app_list_unittests',
     'base_unittests',
     'browser_tests',
     'cacheinvalidation_unittests',
     'cc_unittests',
     'chromedriver2_unittests',
     'content_browsertests',
     'crypto_unittests',
     'googleurl',
     'gpu',
     'interactive_ui_tests',
@@ skipping 235 matching lines @@
     'test_platform': 'ios-simulator',
     'gclient_deps': 'ios',
     'gclient_env': {
       'GYP_DEFINES': 'component=static_library OS=ios chromium_ios_signing=0',
       'GYP_GENERATOR_FLAGS': 'xcode_project_version=3.2',
     },
   }))
 
 def Update(config, active_master, c):
   return helper.Update(c)