MD Settings: Convert all usages of .bind(this) to use ES6 arrow function.

chrome/browser/resources/settings/people_page/easy_unlock_turn_off_dialog.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 A dialog allowing the user to turn off the Easy Unlock feature.
  */
 
 cr.exportPath('settings');
 
@@ skipping 29 matching lines @@
   browserProxy_: null,
 
   /** @override */
   attached: function() {
     this.browserProxy_ = settings.EasyUnlockBrowserProxyImpl.getInstance();
 
     this.addWebUIListener(
         'easy-unlock-enabled-status',
         this.handleEasyUnlockEnabledStatusChanged_.bind(this));
 
-    this.addWebUIListener('easy-unlock-turn-off-flow-status', function(status) {
+    this.addWebUIListener('easy-unlock-turn-off-flow-status', status => {
       this.status_ = status;
-    }.bind(this));
+    });
 
     // Since the dialog text depends on the status, defer opening until we have
     // retrieved the turn off status to prevent UI flicker.
-    this.getTurnOffStatus_().then(function(status) {
+    this.getTurnOffStatus_().then(status => {
       this.status_ = status;
       this.$.dialog.showModal();
-    }.bind(this));
+    });
   },
 
   /**
    * @return {!Promise<!settings.EasyUnlockTurnOffStatus>}
    * @private
    */
   getTurnOffStatus_: function() {
     return navigator.onLine ?
         this.browserProxy_.getTurnOffFlowStatus() :
         Promise.resolve(settings.EasyUnlockTurnOffStatus.OFFLINE);
@@ skipping 112 matching lines @@
    * @return {boolean}
    * @private
    */
   isTurnOffButtonEnabled_: function(status) {
     return status == settings.EasyUnlockTurnOffStatus.IDLE ||
         status == settings.EasyUnlockTurnOffStatus.SERVER_ERROR;
   },
 });
 
 })();