Don't require a .dbconfig file on any masters.

masters/master.chromium.webkit/master.cfg

 # 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_utils
 from master import slaves_list
 
 import config
 import master_site_config
 
@@ skipping 26 matching lines @@
 
 c['projectName'] = ActiveMaster.project_name
 c['projectURL'] = config.Master.project_url
 # Must come before AutoSetupMaster().
 c['buildbotURL'] = ActiveMaster.buildbot_url
 
 # Associate the slaves to the manual builders. The configuration is in
 # slaves.cfg.
 slaves = slaves_list.SlavesList('slaves.cfg', 'ChromiumWebkit')
 
-config.DatabaseSetup(c, require_dbconfig=ActiveMaster.is_production_host)
+config.DatabaseSetup(c)
 
 for builder in c['builders']:
   builder['slavenames'] = slaves.GetSlavesName(builder=builder['name'])
 
 # The 'slaves' list defines the set of allowable buildslaves. List all the
 # slaves registered to a builder. Remove dupes.
 c['slaves'] = master_utils.AutoSetupSlaves(c['builders'],
                                            config.Master.GetBotPassword())
 master_utils.VerifySetup(c, slaves)
 
 # Adds common status and tools to this master.
 master_utils.AutoSetupMaster(c, ActiveMaster,
     public_html='../master.chromium/public_html',
     templates=['../master.chromium/templates'],
     order_console_by_time=True,
     enable_http_status_push=ActiveMaster.is_production_host)