MD About: controlled indicator for change channel option

chrome/browser/resources/settings/about_page/detailed_build_info.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.
 
 /**
  * @fileoverview 'settings-detailed-build-info' contains detailed build
  * information for ChromeOS.
  */
 
 Polymer({
@@ skipping 42 matching lines @@
   /**
    * @param {string} version
    * @return {boolean}
    * @private
    */
   shouldShowVersion_: function(version) {
     return version.length > 0;
   },
 
   /**
+   * @param {boolean} canChangeChannel
+   * @return {string}
+   * @private
+   */
+  getChangeChannelIndicatorSourceName_: function(canChangeChannel) {
+    return loadTimeData.getBoolean('aboutEnterpriseManaged') ? '' :
+        loadTimeData.getString('ownerEmail');
+  },
+
+  /**
+   * @param {boolean} canChangeChannel
+   * @return {CrPolicyIndicatorType}
+   * @private
+   */
+  getChangeChannelIndicatorType_: function(canChangeChannel) {
+    if (canChangeChannel)
+      return CrPolicyIndicatorType.NONE;
+    return loadTimeData.getBoolean('aboutEnterpriseManaged') ?
+        CrPolicyIndicatorType.DEVICE_POLICY :
+        CrPolicyIndicatorType.OWNER;
+  },
+
+  /**
    * @param {!Event} e
    * @private
    */
   onChangeChannelTap_: function(e) {
     e.preventDefault();
     this.showChannelSwitcherDialog_ = true;
     // Async to wait for dialog to appear in the DOM.
     this.async(function() {
       var dialog = this.$$('settings-channel-switcher-dialog');
       // Register listener to detect when the dialog is closed. Flip the boolean
       // once closed to force a restamp next time it is shown such that the
       // previous dialog's contents are cleared.
       dialog.addEventListener('close', function() {
         this.showChannelSwitcherDialog_ = false;
         this.updateChannelInfo_();
       }.bind(this));
     }.bind(this));
   },
 });