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

chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.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 'passwords-section' is the collapsible section containing
  * the list of saved passwords as well as the list of sites that will never
  * save any passwords.
  */
 
@@ skipping 223 matching lines @@
 
   /**
    * @type {?function(!Array<PasswordManager.ExceptionEntry>):void}
    * @private
    */
   setPasswordExceptionsListener_: null,
 
   /** @override */
   attached: function() {
     // Create listener functions.
-    var setSavedPasswordsListener = function(list) {
+    var setSavedPasswordsListener = list => {
       this.savedPasswords = list;
-    }.bind(this);
+    };
 
-    var setPasswordExceptionsListener = function(list) {
+    var setPasswordExceptionsListener = list => {
       this.passwordExceptions = list;
-    }.bind(this);
+    };
 
     this.setSavedPasswordsListener_ = setSavedPasswordsListener;
     this.setPasswordExceptionsListener_ = setPasswordExceptionsListener;
 
     // Set the manager. These can be overridden by tests.
     this.passwordManager_ = PasswordManagerImpl.getInstance();
 
     // Request initial data.
     this.passwordManager_.getSavedPasswordList(setSavedPasswordsListener);
     this.passwordManager_.getExceptionList(setPasswordExceptionsListener);
@@ skipping 117 matching lines @@
     return !!(list && list.length);
   },
 
   /**
    * Listens for the show-password event, and calls the private API.
    * @param {!Event} event
    * @private
    */
   showPassword_: function(event) {
     this.passwordManager_.getPlaintextPassword(
-        /** @type {!PasswordManager.LoginPair} */ (event.detail),
-        function(item) {
+        /** @type {!PasswordManager.LoginPair} */ (event.detail), item => {
           this.setPassword(item.loginPair, item.plaintextPassword);
-        }.bind(this));
+        });
   },
 
   /**
    * @private
    * @param {boolean} toggleValue
    * @return {string}
    */
   getOnOffLabel_: function(toggleValue) {
     return toggleValue ? this.i18n('toggleOn') : this.i18n('toggleOff');
   }
 });
 })();