Switch "win split" to chromium_builder_tests.

masters/master.chromium/master_full_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 master_site_config
 
 ActiveMaster = master_site_config.Chromium
@@ skipping 44 matching lines @@
       'start_crash_handler': True,
       'generate_gtest_json': ActiveMaster.is_production_host,
       'gclient_env': {
         'GYP_DEFINES': 'test_isolation_mode=noop',
       },
     }))
 
 B('Win Split', 'win_split', 'compile|windows', 'chromium')
 F('win_split', win_out().ChromiumFactory(
     target='Release',
-    options=['--build-tool=ninja'],
+    options=['--build-tool=ninja', '--', 'chromium_builder_tests'],
     factory_properties={
       'process_dumps': True,
       'start_crash_handler': True,
       'gclient_env': {
         'GYP_DEFINES': 'fastbuild=1 chrome_split_dll=1',
         'GYP_GENERATORS': 'ninja',
       },
     }))
 
 
@@ skipping 94 matching lines @@
       'gs_bucket': 'gs://chromium-browser-snapshots',
       'perf_id': 'android-release',
       'show_perf_results': True,
     },
     annotation_script='src/build/android/buildbot/bb_run_bot.py',
     ))
 
 
 def Update(_config, active_master, c):
   return helper.Update(c)