Spawn DBus by default as a workaround on all Linux bots.

scripts/slave/runtest.py

 #!/usr/bin/env 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.
 
 """A tool to run a chrome test executable, used by the buildbot slaves.
 
   When this is run, the current directory (cwd) should be the outer build
   directory (e.g., chrome-release/build/).
 
@@ skipping 1137 matching lines @@
                            help='A file containing a JSON blob with a dict '
                                 'that will be uploaded to the results '
                                 'dashboard as supplemental columns.')
   option_parser.add_option('--enable-lsan', default=False,
                            help='Enable memory leak detection (LeakSanitizer). '
                                 'Also can be enabled with the factory '
                                 'properties "lsan" and "lsan_run_all_tests".')
   option_parser.add_option('--extra-sharding-args', default='',
                            help='Extra options for run_test_cases.py.')
   option_parser.add_option('--spawn-dbus', action='store_true',
-                           default=False,

[ghost stip (do not use), 2013/11/18 23:24:33]

then, if this sticks we can remove it from GPU correct?

[Ken Russell (switch to Gerrit), 2013/11/18 23:37:30]

Yes. I'll take care of that if so.

+                           default=True,
                            help='Work around GLib DBus bug by '
                                 'manually spawning dbus-launch')
 
   chromium_utils.AddPropertiesOptions(option_parser)
   options, args = option_parser.parse_args()
   if not options.perf_dashboard_id:
     options.perf_dashboard_id = options.factory_properties.get('test_name')
 
   options.test_type = options.test_type or options.factory_properties.get(
       'step_name', '')
@@ skipping 154 matching lines @@
         '%d new files were left in %s: Fix the tests to clean up themselves.'
         ) % ((new_temp_files - temp_files), tempfile.gettempdir())
     # TODO(maruel): Make it an error soon. Not yet since I want to iron out all
     # the remaining cases before.
     #result = 1
   return result
 
 
 if '__main__' == __name__:
   sys.exit(main())