Adding webdriver setup script.

tools/testing/dart/test_options.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library("test_options_parser");
 
 #import("dart:io");
 
 List<String> defaultTestSelectors =
     const ['dartc', 'samples', 'standalone', 'corelib', 'co19', 'language',
@@ skipping 166 matching lines @@
               'drt',
               'Path to DumpRenderTree executable',
               ['--drt'],
               [],
               ''),
           new _TestOptionSpecification(
               'froglib',
               'Path to frog library',
               ['--froglib'],
               [],
-              '')];
+              ''), 
+          new _TestOptionSpecification(
+              'noBatch',
+              'Do not run browser tests in batch mode', 
+              ['-n', '--nobatch'],
+              [],
+              false,
+              'bool')];
   }
 
 
   /**
    * Parse a list of strings as test options.
    *
    * Returns a list of configurations in which to run the
    * tests. Configurations are maps mapping from option keys to
    * values. When encountering the first non-option string, the rest
    * of the arguments are stored in the returned Map under the 'rest'
@@ skipping 298 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }