MD Settings: Fix timezone autodetect policy indicator.

ui/webui/resources/cr_elements/policy/cr_policy_pref_indicator.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview Polymer element for indicating policies that apply to an
  * element controlling a settings preference.
  */
 Polymer({
   is: 'cr-policy-pref-indicator',
@@ skipping 22 matching lines @@
   /**
    * @param {CrPolicyIndicatorType} type
    * @param {!chrome.settingsPrivate.PrefObject} pref
    * @return {string} The tooltip text for |type|.
    * @private
    */
   getTooltip_: function(type, pref) {
     var matches = pref && pref.value == pref.recommendedValue;
     return this.getPolicyIndicatorTooltip(
         type, pref.controlledByName || '', matches);
-  }
+  },
+
+  /**
+   * @return {boolean} Whether the policy indicator is on. Useful for testing.
+   */
+  isActive: function() {
+    return this.isIndicatorVisible(this.indicatorType);
+  },
 });