anchor.diff:      browserPath = _dartiumPath();
     }
   
  -  if (results['chrome']) {
  +  if (results['chrome'] || results['chrome-stable']) {
       appPath = 'build/deploy-test-out/web';
  -    browserPath = _chromePath();
  +    browserPath = _chromeStablePath();
  +  }
  +
  +  if (results['chrome-dev']) {
  +    appPath = 'build/deploy-test-out/web';
  +    browserPath = _chromeDevPath();
     }
   
     if (results['appPath'] != null) {
  
positive.code:   if (FileSystemEntity.isFileSync(path)) {
      return new File(path).absolute.path;
    } else {
      throw 'unable to locate path to chrome (${path})';
    }
  }
  
  String _chromePath() {
    if (Platform.isLinux) {
      return '/usr/bin/google-chrome';
    } else if (Platform.isMacOS) {
      return '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome';
    } else {
      throw 'unable to locate path to chrome';
    }
  }
  
  
negative.code:   print('valid options:');
    print(parser.getUsage().replaceAll('\n\n', '\n'));
    print('');
    print('Generally, you should run this tool with either --dartium or --chrome-*.');
    print('Optionally, you can specify the browser to run the app in, and the application');
    print('directory to launch.');
  }
  
  String _dartiumPath() {
  