Create a cros directory under client, and start moving things into it.

client/site_tests/login_ChromeProfileSanitary/login_ChromeProfileSanitary.py

 # Copyright (c) 2010 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 logging, os, stat, time, utils
-from autotest_lib.client.bin import chromeos_constants, site_cryptohome
+from autotest_lib.client.bin import site_cryptohome
 from autotest_lib.client.bin import site_login, site_ui_test
+from autotest_lib.client.cros import constants as chromeos_constants
 from autotest_lib.client.common_lib import error, site_httpd, site_ui
 
 def respond_with_cookies(handler, url_args):
     """Responds with a Set-Cookie header to any GET request, and redirects
     to a chosen URL.
     """
     handler.send_response(303)
     handler.send_header('Set-Cookie', 'name=value')
     handler.send_header('Location', url_args['continue'][0])
     handler.end_headers()
@@ skipping 59 matching lines @@
         # Ensure chrome writes state to disk.
         self.login()  # will logout automatically
 
         # Check mtime of Default/Cookies.  If changed, KABLOOEY.
         self.__wait_for_login_profile()
         cookies_info = os.stat(chromeos_constants.LOGIN_PROFILE + '/Cookies')
         # TODO: Note that this currently (20100329) fails and will continue to
         # do so until http://crosbug.com/1967 is fixed.
         if cookies_mtime != cookies_info[stat.ST_MTIME]:
             raise error.TestFail('Cookies in Default profile changed!')