Break config_default into master_site_configs.

masters/master.client.dart.fyi/master_site_config.py

Index: masters/master.client.dart.fyi/master_site_config.py
diff --git a/masters/master.client.dart.fyi/master_site_config.py b/masters/master.client.dart.fyi/master_site_config.py
new file mode 100644
index 0000000000000000000000000000000000000000..46a048152daaf53d9d77e1f2635a505367008c6c
--- /dev/null
+++ b/masters/master.client.dart.fyi/master_site_config.py
@@ -0,0 +1,16 @@
+# Copyright (c) 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.
+
+"""ActiveMaster definition."""
+
+from config_bootstrap import Master
+
+class DartFYI(Master.Master3):
+  # This IP refers to a golem server in BigCluster
+  http_status_push_url = "http://108.170.219.1:8080/submit-buildbot-info/"
+  project_name = 'Dart FYI'
+  master_port = 8055
+  slave_port = 8155
+  # Enable when there's a public waterfall.
+  master_port_alt = 8255