Break config_default into master_site_configs.

masters/master.tryserver.nacl/master_site_config.py

Index: masters/master.tryserver.nacl/master_site_config.py
diff --git a/masters/master.tryserver.nacl/master_site_config.py b/masters/master.tryserver.nacl/master_site_config.py
new file mode 100644
index 0000000000000000000000000000000000000000..40ab0075410b84b6fdc998bd7070c9e668dd03ef
--- /dev/null
+++ b/masters/master.tryserver.nacl/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 NativeClientTryServer(Master.Master4):
+  project_name = 'NativeClient-Try'
+  master_port = 8029
+  slave_port = 8129
+  master_port_alt = 8229
+  try_job_port = 8329
+  reply_to = 'chrome-troopers+tryserver@google.com'
+  svn_url = 'svn://svn.chromium.org/chrome-try/try-nacl'