[chromeos] pyauto tests should auto login by default on chromeos

chrome/test/functional/netflix.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.
 
 import logging
 import os
 import time
 
 import pyauto_functional
@@ skipping 124 matching lines @@
         msg=error_msg)
 
 
 class NetflixTest(pyauto.PyUITest, NetflixTestHelper):
   """Test case for Netflix player."""
 
   def __init__(self, methodName='runTest', **kwargs):
     pyauto.PyUITest.__init__(self, methodName, **kwargs)
     NetflixTestHelper.__init__(self, self)
 
+  def ShouldAutoLogin(self):
+    return False
+
   def _Login(self):
     """Perform login"""
     credentials = self.GetPrivateInfo()['test_google_account']
     self.Login(credentials['username'], credentials['password'])
     logging.info('Logged in as %s' % credentials['username'])
     login_info = self.GetLoginInfo()
     self.assertTrue(login_info['is_logged_in'], msg='Login failed.')
     self.assertFalse(login_info['is_guest'],
                      msg='Should not be logged in as guest.')
 
@@ skipping 73 matching lines @@
     self.LoginAndStartPlaying()
     self.CheckNetflixPlaying(
         self.IS_GUEST_MODE_ERROR,
         'Netflix player did not return a Guest mode error.')
     self.assertTrue('Guest Mode Unsupported' in self.GetTabContents(),
                     msg='Guest Mode error is not found on the page.')
     
 
 if __name__ == '__main__':
   pyauto_functional.Main()