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

masters/master.tryserver.chromium/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 # 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.
 
 # READ THIS:
 # See http://dev.chromium.org/developers/testing/chromium-build-infrastructure
 
 import socket
@@ skipping 157 matching lines @@
                   slave_type='Trybot'):
   """Generates and register a builder along with its slave(s)."""
   if platform not in ('win32', 'win64', 'linux', 'mac', 'android', 'ios'):
     raise Exception(platform + ' is not a known os type')
   assert tests is not None or annotation_script, (
       'Must either specify tests or use an annotation script')
 
   factory_properties = (factory_properties or {}).copy()
   run_default_swarm_tests = run_default_swarm_tests or []
 
-  # Make app_list_unittests an opt-in target for initial verification on non-
-  # ChromeOS platforms. TODO(tapted): Remove this when verified.
-  if platform in ('win32', 'win64', 'mac'):
-    platform_optional_tests = ['app_list_unittests']
-  else:
-    platform_optional_tests = []
-
   factory_properties.setdefault('non_default', [
       'check_licenses',
       'chromedriver_tests',
       'courgette_unittests',
       'sync_integration_tests',
       'url_unittests',
-    ] + platform_optional_tests)
+    ])
 
   factory_properties.setdefault('gclient_env', {})
   factory_properties['gclient_env'].setdefault('GYP_DEFINES', '')
   factory_properties['gclient_env']['GYP_DEFINES'] += ' dcheck_always_on=1'
   if not 'fastbuild=0' in factory_properties['gclient_env']['GYP_DEFINES']:
     factory_properties['gclient_env']['GYP_DEFINES'] += ' fastbuild=1'
   if platform in ('win32', 'win64'):
     # http://crbug.com/157234
     factory_properties.setdefault('sharded_tests', win_sharded_tests)
   else:
@@ skipping 194 matching lines @@
     builder_name='linux_futura',
     factory_properties={
       'gclient_env': {
         'GYP_DEFINES': 'use_aura=1',
       },
       'window_manager': 'False'
     },
     slavebuilddir='linux_aura')
 
 linux_aura_tests = [
+  'app_list_unittests_br',
   'aura_br',
   'base_unittests_br',
   'browser_tests_br',
   'buildrunner_tests',
   'cacheinvalidation_br',
   'compositor_br',
   'content_browsertests_br',
   'content_unittests_br',
   'crypto_br',
   'device_unittests_br',
   'googleurl_br',
   'gpu_br',
   'interactive_ui_tests_br',
   'ipc_tests_br',
   'jingle_br',
   'keyboard_unittests',
   'media_br',
   'net_br',
   'ppapi_unittests_br',
   'printing_br',
   'remoting_br',
   'ui_unittests_br',
   'unit_sql_br',
   'unit_sync_br',
   'unit_unit_br',
   'views_br',
 ]
 
 linux_aura_options = [
+  'app_list_unittests',
   'aura_builder',
   'base_unittests',
   'browser_tests',
   'cacheinvalidation_unittests',
   'compositor_unittests',
   'content_browsertests',
   'content_unittests',
   'crypto_unittests',
   'gpu_unittests',
   'interactive_ui_tests',
@@ skipping 1908 matching lines @@
 c['projectURL'] = 'http://dev.chromium.org/developers/testing/try-server-usage'
 
 # Buildbot master url:
 if ActiveMaster.is_production_host:
   c['buildbotURL'] = 'http://build.chromium.org/p/tryserver.chromium/'
 else:
   c['buildbotURL'] = 'http://%s:%d/' % (
       socket.getfqdn(), ActiveMaster.master_port)
 
 # vi: set ts=4 sts=2 sw=2 et: