Replace builder_host and builder_port with builder_type.

tools/run-bisect-perf-regression.py

 #!/usr/bin/env python
 # 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.
 
 """Run Performance Test Bisect Tool
 
 This script is used by a try bot to run the bisect script with the parameters
 specified in the bisect config file. It checks out a copy of the depot in
 a subdirectory 'bisect' of the working directory provided, annd runs the
@@ skipping 493 matching lines @@
   ]
 
   # Add flags for any optional config parameters if given in the config.
   options = [
       ('repeat_count', '--repeat_test_count'),
       ('truncate_percent', '--truncate_percent'),
       ('max_time_minutes', '--max_time_minutes'),
       ('bisect_mode', '--bisect_mode'),
       ('improvement_direction', '--improvement_direction'),
       ('bug_id', '--bug_id'),
-      ('builder_host', '--builder_host'),
-      ('builder_port', '--builder_port'),
+      ('builder_type', '--builder_type'),
   ]
   for config_key, flag in options:
     if config.has_key(config_key):
       cmd.extend([flag, config[config_key]])
 
   cmd.extend(['--build_preference', 'ninja'])
 
   # Possibly set the target platform name based on the browser name in a
   # Telemetry command.
   if 'android-chrome-shell' in config['command']:
@@ skipping 128 matching lines @@
     if config and config_is_valid:
       return _SetupAndRunPerformanceTest(config, opts.path_to_goma)
 
   print ('Error: Could not load config file. Double check your changes to '
          'auto_bisect/bisect.cfg or run-perf-test.cfg for syntax errors.\n')
   return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())