Change imports etc to new syntax.

utils/testrunner/options.dart

 // Copyright (c) 2012, 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.
 
+part of testrunner;
+
 /** Create and return an options parser for the test runner. */
 ArgParser getOptionParser() {
   var parser = new ArgParser();
 
   parser.addOption('help', abbr: '?',
       help: 'Show usage information.');
 
   parser.addOption('runtime', abbr: 'r', defaultsTo: 'vm',
       help: 'Where the tests should be run.',
       allowed: ['vm', 'drt-dart', 'drt-js'],
@@ skipping 242 matching lines @@
   }
   if ((config['layout-text'] || config['layout-pixel']) &&
       config['runtime'] == 'vm') {
     print('Layout tests must use --runtime values of "drt-dart" or "drt-js"');
     return false;
   }
   return true;
 }