[MD settings] specify @override on created, ready, and attached

chrome/browser/resources/settings/site_settings/site_list.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
  * 'site-list' shows a list of Allowed and Blocked sites for a given
  * category.
  */
 Polymer({
@@ skipping 98 matching lines @@
   },
 
   /**
    * The element to return focus to, when the currently active dialog is closed.
    * @private {?HTMLElement}
    */
   activeDialogAnchor_: null,
 
   observers: ['configureWidget_(category, categorySubtype)'],
 
+  /** @override */
   ready: function() {
     this.addWebUIListener('contentSettingSitePermissionChanged',
         this.siteWithinCategoryChanged_.bind(this));
     this.addWebUIListener('onIncognitoStatusChanged',
         this.onIncognitoStatusChanged_.bind(this));
   },
 
   /**
    * Called when a site changes permission.
    * @param {string} category The category of the site that changed.
@@ skipping 365 matching lines @@
   /** @private */
   closeActionMenu_: function() {
     this.actionMenuSite_ = null;
     this.activeDialogAnchor_ = null;
     var actionMenu = /** @type {!CrActionMenuElement} */ (
         this.$$('dialog[is=cr-action-menu]'));
     if (actionMenu.open)
       actionMenu.close();
   },
 });