Move common cr-policy-indicator behavior into CrPolicyIndicatorBehavior

chrome/browser/resources/settings/controls/controlled_button.js

 // Copyright 2016 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.
 
 Polymer({
   is: 'controlled-button',
 
   behaviors: [
-    CrPolicyIndicatorBehavior,
     CrPolicyPrefBehavior,
     PrefControlBehavior,
   ],
 
   properties: {
     endJustified: {
       type: Boolean,
       value: false,
       reflectToAttribute: true,
     },
@@ skipping 16 matching lines @@
 
   /**
    * @param {!Event} e
    * @private
    */
   onIndicatorTap_: function(e) {
     // Disallow <controlled-button on-tap="..."> when controlled.
     e.preventDefault();
     e.stopPropagation();
   },
-
-  /**
-   * @param {!chrome.settingsPrivate.PrefObject} pref
-   * @return {boolean} Whether to show a controlled by indicator.
-   * @private
-   */
-  showIndicator_: function(pref) {
-    if (!pref.controlledBy || !pref.enforcement)
-      return false;
-    var indicator = this.getIndicatorType(pref.controlledBy, pref.enforcement);
-    return this.isIndicatorVisible(indicator);
-  },
 });