Fix firefox install on setup script.

tools/testing/webdriver_test_setup.py

 #!/usr/bin/python
 
 # 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.
 
 # Run to install the necessary components to run webdriver on the buildbots or
 # on your local machine. 
 # Note: The setup steps can be done fairly easily by hand. This script is 
 # intended to simply and reduce the time for setup since there are a fair number
@@ skipping 139 matching lines @@
     return os_str
 
 
 class FirefoxInstaller(object):
   """Installs the latest version of Firefox on the machine."""
 
   def ff_download_site(self, os_name):
     return 'http://releases.mozilla.org/pub/mozilla.org/firefox/releases/' + \
         'latest/%s/en-US/' % os_name
 
+  @property

[Siggi Cherem (dart-lang), 2012/04/13 18:19:48]

do you believe in magic? and I hope you do!

   def get_os_str(self):
     """Returns the string that Mozilla uses to denote which operating system a
     Firefox binary is for."""
     os_str = ('win32', '.exe')
     if 'darwin' in sys.platform:
       os_str = ('mac', '.dmg')
     elif 'linux' in sys.platform:
       os_str = ('linux-i686', '.tar.bz2')
       if '64bit' in platform.architecture()[0]:
         os_str = ('linux-x86_64', '.tar.bz2')
@@ skipping 62 matching lines @@
       lambda x: 'chromedriver_%(os)s_%(version)s.zip' % x).run()
   if 'darwin' in sys.platform:
     GoogleCodeInstaller('selenium', os.path.dirname(os.path.abspath(__file__)),
         lambda x: 'selenium-server-standalone-%(version)s.jar' % x).run()
 
   if args.firefox:
     FirefoxInstaller().run()
 
 if __name__ == '__main__':
   main()