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

chrome/browser/resources/settings/people_page/manage_profile.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
  * 'settings-manage-profile' is the settings subpage containing controls to
  * edit a profile's name, icon, and desktop shortcut.
  */
 Polymer({
@@ skipping 49 matching lines @@
   /** @private {?settings.ManageProfileBrowserProxy} */
   browserProxy_: null,
 
   /** @override */
   created: function() {
     this.browserProxy_ = settings.ManageProfileBrowserProxyImpl.getInstance();
   },
 
   /** @override */
   attached: function() {
-    var setIcons = function(icons) {
+    var setIcons = icons => {
       this.availableIcons = icons;
-    }.bind(this);
+    };
 
     this.addWebUIListener('available-icons-changed', setIcons);
     this.browserProxy_.getAvailableIcons().then(setIcons);
   },
 
   /** @protected */
   currentRouteChanged: function() {
     if (settings.getCurrentRoute() == settings.routes.MANAGE_PROFILE) {
       this.$.name.value = this.profileName;
 
       if (loadTimeData.getBoolean('profileShortcutsEnabled')) {
-        this.browserProxy_.getProfileShortcutStatus().then(function(status) {
+        this.browserProxy_.getProfileShortcutStatus().then(status => {
           if (status == ProfileShortcutStatus.PROFILE_SHORTCUT_SETTING_HIDDEN) {
             this.isProfileShortcutSettingVisible_ = false;
             return;
           }
 
           this.isProfileShortcutSettingVisible_ = true;
           this.hasProfileShortcut_ =
               status == ProfileShortcutStatus.PROFILE_SHORTCUT_FOUND;
-        }.bind(this));
+        });
       }
     }
   },
 
   /**
    * Handler for when the profile name field is changed, then blurred.
    * @param {!Event} event
    * @private
    */
   onProfileNameChanged_: function(event) {
@@ skipping 41 matching lines @@
    * @private
    */
   onHasProfileShortcutChange_: function(event) {
     if (this.hasProfileShortcut_) {
       this.browserProxy_.addProfileShortcut();
     } else {
       this.browserProxy_.removeProfileShortcut();
     }
   }
 });