Enable ninja_confirm_noop by default

scripts/slave/recipes/chromium_trybot.py

 # Copyright 2013 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 infra.libs.infra_types import freeze
 
 DEPS = [
   'bot_update',
   'chromium',
   'chromium_android',
@@ skipping 412 matching lines @@
 
   api.chromium_tests.configure_build(
       bot_config['mastername'],
       bot_config['buildername'],
       override_bot_type='builder_tester')
 
   api.chromium.apply_config('trybot_flavor')
   if enable_gpu_tests:
     api.chromium.apply_config('archive_gpu_tests')
 
-  # TODO(phajdan.jr): Make ninja_confirm_noop consistent between main waterfall
-  # and trybots, http://crbug.com/501744 .
-  if (api.chromium.c.TARGET_PLATFORM != 'android'
-      and 'win8' not in buildername):
-    api.chromium.apply_config('ninja_confirm_noop')
-
   bot_update_step, master_dict, test_spec = \
       api.chromium_tests.prepare_checkout(
           bot_config['mastername'],
           bot_config['buildername'])
 
   tests = list(api.chromium_tests.tests_for_builder(
       bot_config['mastername'],
       bot_config['buildername'],
       bot_update_step,
       master_dict,
@@ skipping 653 matching lines @@
 
   yield (
     api.test('swarming_paths') +
     api.properties.tryserver(
       mastername='tryserver.chromium.linux',
       buildername='linux_chromium_rel_ng',
       path_config='swarming',
     ) +
     api.platform.name('linux')
   )