Update CNS to run on chromeperf34 and CNS tests to run on windows perf_av bot.

chrome/test/functional/media/media_seek_perf.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Seek performance testing for <video>.
 
 Calculates the short and long seek times for different video formats on
 different network constraints.
 """
 
 import logging
 import os
+import posixpath
 
 import pyauto_media
 import pyauto_utils
 
 import cns_test_base
 import worker_thread
 
 # Number of threads to use during testing.
 _TEST_THREADS = 3
 
 # HTML test path; relative to src/chrome/test/data.
 _TEST_HTML_PATH = os.path.join('media', 'html', 'media_seek.html')
 
 # The media files used for testing.
 # Path under CNS root folder (pyauto_private/media).
-_TEST_VIDEOS = [os.path.join('dartmoor', name) for name in
+_TEST_VIDEOS = [posixpath.join('dartmoor', name) for name in
                 ['dartmoor2.ogg', 'dartmoor2.m4a', 'dartmoor2.mp3',
                  'dartmoor2.wav']]
-_TEST_VIDEOS.extend(os.path.join('crowd', name) for name in
+_TEST_VIDEOS.extend(posixpath.join('crowd', name) for name in
                     ['crowd1080.webm', 'crowd1080.ogv', 'crowd1080.mp4',
                      'crowd360.webm', 'crowd360.ogv', 'crowd360.mp4'])
 
 # Constraints to run tests on.
 _TESTS_TO_RUN = [
     cns_test_base.Cable,
     cns_test_base.Wifi,
     cns_test_base.NoConstraints]
 
 
@@ skipping 65 matching lines @@
   def testMediaSeekPerformance(self):
     """Launches HTML test which plays each video and records seek stats."""
     tasks = cns_test_base.CreateCNSPerfTasks(_TESTS_TO_RUN, _TEST_VIDEOS)
     if worker_thread.RunWorkerThreads(self, SeekWorkerThread, tasks,
                                       _TEST_THREADS, _TEST_HTML_PATH):
       self.fail('Some tests failed to run as expected.')
 
 
 if __name__ == '__main__':
   pyauto_media.Main()