Add a test for the "ephemeral_users_enabled" device policy

chrome/test/pyautolib/pyauto.py

Index: chrome/test/pyautolib/pyauto.py
diff --git a/chrome/test/pyautolib/pyauto.py b/chrome/test/pyautolib/pyauto.py
index ff7523289d9f0ea45c60558247dedae565fcb035..8606811224a7cd70892fefa0f632beac1c50b67f 100755
--- a/chrome/test/pyautolib/pyauto.py
+++ b/chrome/test/pyautolib/pyauto.py
@@ -448,6 +448,16 @@ class PyUITest(pyautolib.PyUITestBase, unittest.TestCase):
     PyUITest.RunSuperuserActionOnChromeOS('RemoveAllCryptohomeVaults')
 
   @staticmethod
+  def DisableLocalStateAutoClearingOnChromeOS():
+    """Disable clearing of the local state on session manager startup."""
+    PyUITest.RunSuperuserActionOnChromeOS('DisableLocalStateAutoClearing')
+
+  @staticmethod
+  def EnableLocalStateAutoClearingOnChromeOS():
+    """Enable clearing of the local state on session manager startup."""
+    PyUITest.RunSuperuserActionOnChromeOS('EnableLocalStateAutoClearing')
+
+  @staticmethod
   def _IsInodeNew(path, old_inode):
     """Determine whether an inode has changed. POSIX only.
 
@@ -1292,7 +1302,7 @@ class PyUITest(pyautolib.PyUITestBase, unittest.TestCase):
       an instance of prefs_info.PrefsInfo
     """
     return prefs_info.PrefsInfo(
-        self._SendJSONRequest(0,
+        self._SendJSONRequest(-1,

[Nirnimesh, 2012/04/12 01:46:24]

I'm surprised that it worked with 0! Thanks for fixing.

[bartfab (slow), 2012/04/12 12:49:31]

It seemed to work with 0 when you are logged in. With -1, it works both when
logged in and when at the login screen.

                               json.dumps({'command': 'GetLocalStatePrefsInfo'}),
                               self.action_max_timeout_ms()))