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

chrome/browser/resources/settings/certificate_manager_page/certificate_manager_page.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-certificate-manager-page' is the settings page
  * containing SSL certificate settings.
  */
 Polymer({
   is: 'settings-certificate-manager-page',
@@ skipping 99 matching lines @@
    * @param {number} tabIndex
    * @return {boolean} Whether to show tab at |tabIndex|.
    * @private
    */
   isTabSelected_: function(selectedIndex, tabIndex) {
     return selectedIndex == tabIndex;
   },
 
   /** @override */
   ready: function() {
-    this.addEventListener(settings.CertificateActionEvent, function(event) {
+    this.addEventListener(settings.CertificateActionEvent, event => {
       this.dialogModel_ = event.detail.subnode;
       this.dialogModelCertificateType_ = event.detail.certificateType;
 
       if (event.detail.action == CertificateAction.IMPORT) {
         if (event.detail.certificateType == CertificateType.PERSONAL) {
           this.openDialog_(
               'settings-certificate-password-decryption-dialog',
               'showPasswordDecryptionDialog_', event.detail.anchor);
         } else if (event.detail.certificateType == CertificateType.CA) {
           this.openDialog_(
@@ skipping 10 matching lines @@
               'settings-certificate-delete-confirmation-dialog',
               'showDeleteConfirmationDialog_', event.detail.anchor);
         } else if (event.detail.action == CertificateAction.EXPORT_PERSONAL) {
           this.openDialog_(
               'settings-certificate-password-encryption-dialog',
               'showPasswordEncryptionDialog_', event.detail.anchor);
         }
       }
 
       event.stopPropagation();
-    }.bind(this));
+    });
 
-    this.addEventListener('certificates-error', function(event) {
+    this.addEventListener('certificates-error', event => {
       var detail = /** @type {!CertificatesErrorEventDetail} */ (event.detail);
       this.errorDialogModel_ = detail.error;
       this.openDialog_(
           'settings-certificates-error-dialog', 'showErrorDialog_',
           detail.anchor);
       event.stopPropagation();
-    }.bind(this));
+    });
   },
 
   /**
    * Opens a dialog and registers a listener for removing the dialog from the
    * DOM once is closed. The listener is destroyed when the dialog is removed
    * (because of 'restamp').
    *
    * @param {string} dialogTagName The tag name of the dialog to be shown.
    * @param {string} domIfBooleanName The name of the boolean variable
    *     corresponding to the dialog.
    * @param {?HTMLElement} anchor The element to focus when the dialog is
    *     closed. If null, the previous anchor element should be reused. This
    *     happens when a 'settings-certificates-error-dialog' is opened,
    *     which when closed should focus the anchor of the previous dialog (the
    *     one that generated the error).
    * @private
    */
   openDialog_: function(dialogTagName, domIfBooleanName, anchor) {
     if (anchor)
       this.activeDialogAnchor_ = anchor;
     this.set(domIfBooleanName, true);
-    this.async(function() {
+    this.async(() => {
       var dialog = this.$$(dialogTagName);
-      dialog.addEventListener('close', function() {
+      dialog.addEventListener('close', () => {
         this.set(domIfBooleanName, false);
         cr.ui.focusWithoutInk(assert(this.activeDialogAnchor_));
-      }.bind(this));
-    }.bind(this));
+      });
+    });
   },
 });