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

chrome/browser/resources/settings/internet_page/internet_subpage.js

 // Copyright 2017 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 displaying information about WiFi,
  * WiMAX, or virtual networks.
  */
 
 Polymer({
@@ skipping 132 matching lines @@
     this.showSpinner = !!this.deviceState.Scanning;
     this.startScanning_();
   },
 
   /** @private */
   startScanning_: function() {
     if (this.scanIntervalId_ != null)
       return;
     /** @const */ var INTERVAL_MS = 10 * 1000;
     this.networkingPrivate.requestNetworkScan();
-    this.scanIntervalId_ = window.setInterval(function() {
+    this.scanIntervalId_ = window.setInterval(() => {
       this.networkingPrivate.requestNetworkScan();
-    }.bind(this), INTERVAL_MS);
+    }, INTERVAL_MS);
   },
 
   /** @private */
   stopScanning_: function() {
     if (this.scanIntervalId_ == null)
       return;
     window.clearInterval(this.scanIntervalId_);
     this.scanIntervalId_ = null;
   },
 
@@ skipping 26 matching lines @@
       return;  // Edge case when device states change before this callback.
 
     // For the Cellular/Mobile subpage, request Tether networks if available.
     if (this.deviceState.Type == CrOnc.Type.CELLULAR &&
         this.tetherDeviceState) {
       var filter = {
         networkType: CrOnc.Type.TETHER,
         visible: true,
         configured: false
       };
-      this.networkingPrivate.getNetworks(filter, function(tetherNetworkStates) {
+      this.networkingPrivate.getNetworks(filter, tetherNetworkStates => {
         this.networkStateList_ = networkStates.concat(tetherNetworkStates);
-      }.bind(this));
+      });
       return;
     }
 
     // For VPNs, separate out third party VPNs.
     if (this.deviceState.Type == CrOnc.Type.VPN) {
       var builtinNetworkStates = [];
       var thirdPartyVpns = {};
       for (var i = 0; i < networkStates.length; ++i) {
         var state = networkStates[i];
         var providerType = state.VPN && state.VPN.ThirdPartyVPN &&
@@ skipping 268 matching lines @@
    * @return {boolean}
    * @private
    */
   shouldShowNetworkList_: function(networkStateList) {
     return networkStateList.length > 0;
   },
 
   /**
    * @param {!CrOnc.DeviceStateProperties|undefined} deviceState
    * @param {!CrOnc.DeviceStateProperties|undefined} tetherDeviceState
-   * @return {boolean}
+   * @return {string}
    * @private
    */
   getNoNetworksString_: function(deviceState, tetherDeviceState) {
     var type = deviceState.Type;
     if (type == CrOnc.Type.TETHER ||
         (type == CrOnc.Type.CELLULAR && this.tetherDeviceState)) {
       return this.i18nAdvanced('internetNoNetworksMobileData');
     }
 
     return this.i18n('internetNoNetworks');
   },
 });