Deal with different chromedrivers running on for Chrome and Dartium.

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 21 matching lines @@
   output, stderr = p.communicate(input=stdin)
   if output:
     print output
   if stderr:
     print stderr
 
 def parse_args():
   parser = optparse.OptionParser()
   parser.add_option('--firefox', '-f', dest='firefox', help='Install Firefox',
       action='store_true', default=False)
-  parser.add_option('--path', '-p', dest='path', help='Specify location ' + \
-      'on your PATH for where we should install chromedriver (default is in' + \
-      'depot_tools).', metavar='CHROMEDRIVER_LOC', type='str', action='store',
-      default=None)
   parser.add_option('--buildbot', '-b', dest='buildbot', action='store_true',
       help='Perform a buildbot selenium setup (buildbots have a different' + \
       'location for their python executable).', default=False)
   args, ignored = parser.parse_args()
   return args
 
 def find_depot_tools_location(is_buildbot):
   """Depot_tools is our default install location for chromedriver, so we find
   its location on the filesystem.
   Arguments:
@@ skipping 182 matching lines @@
             break
     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 %s install -U selenium' % (admin_keyword, pip_cmd))
 
 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('chromedriver', chromedriver_loc,
+  GoogleCodeInstaller('chromedriver', ind_depot_tools_location(args.buildbot),
       lambda x: 'chromedriver_%(os)s_%(version)s.zip' % x).run()
   if 'win32' not in sys.platform and 'cygwin' not 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()