[autotest] Add test for the re-taking of ownership after the owner key is lost

client/site_tests/login_RemoteOwnership/login_RemoteOwnership.py

 # Copyright (c) 2011 The Chromium OS 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 dbus
 import dbus.glib
 import gobject
 import logging
 import random
 import string
@@ skipping 11 matching lines @@
 
     def setup(self):
         os.chdir(self.srcdir)
         utils.make('OUT_DIR=.')
 
 
     def run_once(self):
         sm = self.connect_to_session_manager()
 
         # Initial policy setup.
-        priv = self.known_privkey()
-        pub = self.known_pubkey()
+        priv = ownership.known_privkey()
+        pub = ownership.known_pubkey()
         self.push_policy(self.generate_policy(priv, pub, self._poldata), sm)
 
         # Force re-key the device
         (priv, pub) = ownership.pairgen_as_data()
         self.push_policy(self.generate_policy(priv, pub, self._poldata), sm)
 
         # Rotate key gracefully.
         username = ''.join(random.sample(string.ascii_uppercase,6)) + "@foo.com"
         password = ''.join(random.sample(string.ascii_uppercase,6))
         cryptohome.remove_vault(username)
@@ skipping 10 matching lines @@
                                               old_key=priv),
                          sm)
 
         if not sm.StopSession(''):
             raise error.TestFail('Could not stop session for random user')
 
 
     def cleanup(self):
         cryptohome.unmount_vault()
         super(login_RemoteOwnership, self).cleanup()