Fix testTimezoneIsEditable on chromeos

chrome/test/functional/chromeos_time.py

Index: chrome/test/functional/chromeos_time.py
diff --git a/chrome/test/functional/chromeos_time.py b/chrome/test/functional/chromeos_time.py
index bc53c71ae9633b3e51ad845b06ca341656c05f17..9ac7c4d293b6eca6d96be0e1864e3e3968268755 100755
--- a/chrome/test/functional/chromeos_time.py
+++ b/chrome/test/functional/chromeos_time.py
@@ -43,12 +43,12 @@ class ChromeosTime(pyauto.PyUITest):
       True, if timezone dropdown is enabled
       False, otherwise
     """
-    self.NavigateToURL('chrome://settings/system')
+    self.NavigateToURL('chrome://settings-frame/advanced')
     ret = self.ExecuteJavascript("""
         var enabled = false;
         var timezone = document.getElementById('timezone-select');
         if (timezone)
-          enabled = banner.enabled;
+          enabled = !timezone.disabled;
         domAutomationController.send(enabled.toString());
     """)
     return ret == 'true'
@@ -57,7 +57,7 @@ class ChromeosTime(pyauto.PyUITest):
     """Test that the timezone is always editable."""
     # This test only makes sense if we are not running as the owner.
     self.assertFalse(self.GetLoginInfo()['is_owner'])
-    enabled = _IsTimezoneEditable()
+    enabled = self._IsTimezoneEditable()
     self.assertTrue(enabled, msg='Timezone is not editable when not owner.')