Get Dromaeo tests running on Windows.

tools/testing/perf_testing/run_perf_tests.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.
 
 import datetime
 import getpass
 import math
 try:
@@ skipping 49 matching lines @@
       if append:
         mode = 'a'
       out = open(outfile, mode)
       if append:
         # Annoying Windows "feature" -- append doesn't actually append unless
         # you explicitly go to the end of the file.
         # http://mail.python.org/pipermail/python-list/2009-October/1221859.html
         out.seek(0, os.SEEK_END)
     p = subprocess.Popen(cmd_list, stdout = out, stderr=subprocess.PIPE,
                          stdin=subprocess.PIPE, shell=self.has_shell)
-    output, _ = p.communicate(std_in);
+    output, stderr = p.communicate(std_in);
     if output:
       print output
+    if stderr:
+      print stderr
     return output
 
   def time_cmd(self, cmd):
     """Determine the amount of (real) time it takes to execute a given 
     command."""
     start = time.time()
     self.run_cmd(cmd)
     return time.time() - start
 
   @staticmethod
@@ skipping 775 matching lines @@
       versions = DromaeoTester.get_dromaeo_versions()
 
       for browser in BrowserTester.get_browsers():
         for version_name in versions:
           version = DromaeoTest.DromaeoPerfTester.get_dromaeo_url_query(
               version_name)
           self.test.trace_file = os.path.join(
               'tools', 'testing', 'perf_testing', self.test.result_folder_name,
               'dromaeo-%s-%s-%s' % (self.test.cur_time, browser, version_name))
           self.add_svn_revision_to_trace(self.test.trace_file)
-          file_path = os.path.join(os.getcwd(), dromaeo_path,
+          file_path = '"%s"' % os.path.join(os.getcwd(), dromaeo_path,
               'index-js.html?%s' % version)
           self.test.test_runner.run_cmd(
               ['python', os.path.join('tools', 'testing', 'run_selenium.py'),
                '--out', file_path, '--browser', browser,
                '--timeout', '600', '--mode', 'dromaeo'], self.test.trace_file,
                append=True)
 
     @staticmethod
     def get_dromaeo_url_query(version):
       version = version.replace('_','&')
@@ skipping 340 matching lines @@
     while True:
       if runner.has_new_code():
         runner.run_test_sequence()
       else:
         time.sleep(200)
   else:
     runner.run_test_sequence()
 
 if __name__ == '__main__':
   main()