Break config_default into master_site_configs.

masters/master.devtools/master.cfg

 # Copyright (c) 2011 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 buildbot.changes import svnpoller
 from buildbot.scheduler import Scheduler
 from master import build_utils
 from master import master_utils
 from master import slaves_list
 from master.factory import chromium_factory
 
 import config
+import master_site_config
 
-ActiveMaster = config.Master.DevTools
+ActiveMaster = master_site_config.DevTools
 
 c = BuildmasterConfig = {}
 c['status'] = []
 
 
 def ChromeTreeFileSplitter(path):
   """split_file for the 'src' project in the trunk."""
 
   # Exclude .DEPS.git from triggering builds on chrome.
   if path == 'src/.DEPS.git':
@@ skipping 139 matching lines @@
 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)