Fix for webdriver_test_setup in Windows, and don't force close of the browsers if we're not running…

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 194 matching lines @@
     self.is_buildbot = is_buildbot
 
   def run(self): 
     print 'Installing Selenium Python Bindings'
     admin_keyword = ''
     python_cmd = 'python'
     if 'win32' not in sys.platform and 'cygwin' not in sys.platform:
       admin_keyword = 'sudo'
     else:
       # The python installation is "special" on Windows buildbots.
-      if is_buildbot:
-        python_cmd = os.path.join(find_depot_tools_location(is_buildbot),
+      if self.is_buildbot:
+        python_cmd = os.path.join(find_depot_tools_location(self.is_buildbot),
             'python-bin', 'python')
     page = urllib2.urlopen(self.SETUPTOOLS_SITE)
     run_cmd('%s %s' % (admin_keyword, python_cmd), page.read())
     page = urllib2.urlopen(self.PIP_SITE)
     run_cmd('%s %s' % (admin_keyword, python_cmd), page.read())
     run_cmd('%s pip install -U selenium' % admin_keyword)
 
 def main():
   args = parse_args()
   SeleniumBindingsInstaller(args.buildbot).run()
   chromedriver_loc = find_depot_tools_location(args.buildbot)
   if args.path:
     chromedriver_loc = args.path
   GoogleCodeInstaller('chromium', chromedriver_loc,
       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()