Break config_default into master_site_configs.

test/masters_cfg_test.py

 #!/usr/bin/env python
 # Copyright 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.
 
 """Tests all master.cfgs to make sure they load properly."""
 
 import multiprocessing
 import os
 import sys
 
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, os.path.join(BASE_DIR, 'scripts'))
 
 import masters_util
 
 from common import chromium_utils
 from common import master_cfg_utils
 
 
 # Masters which do not currently load from the default configuration. These need
 # to be fixed and removed from the list!
 BLACKLIST = set(['chromium.swarm',
                  'chromium.chromebot',
-                 'chromiumos.tryserver',
-                 'client.nacl.chrome'])
+                 'client.nacl.chrome'
+                 ])
 
 
 def TestMaster(args):
   mastername, path = args
   apply_issue_pwd_path = os.path.join(path, '.apply_issue_password')
   with masters_util.temporary_password(apply_issue_pwd_path):
     cmd = [sys.executable,
            os.path.join(BASE_DIR, 'scripts', 'slave', 'runbuild.py'),
            mastername,
            '--test-config']
@@ skipping 30 matching lines @@
     for mastername, path in failures:
       print '  %s: %s' % (mastername, path)
     return 1
 
   print 'All master.cfg files parsed successfully!'
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())