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

chrome/browser/resources/settings/languages_page/edit_dictionary_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-edit-dictionary-page' is a sub-page for editing
  * the "dictionary" of custom words used for spell check.
  */
 Polymer({
   is: 'settings-edit-dictionary-page',
 
   behaviors: [settings.GlobalScrollTargetBehavior],
 
   properties: {
     /** @private {string} */
     newWordValue_: String,
 
     /**
      * Needed by GlobalScrollTargetBehavior.
      * @override
      */
     subpageRoute: {
       type: Object,
       value: settings.Route.EDIT_DICTIONARY,
     },
 
     /** @private {!Array<string>} */
     words_: {
       type: Array,
-      value: function() { return []; },
+      value: function() {
+        return [];
+      },
     },
   },
 
   /** @type {LanguageSettingsPrivate} */
   languageSettingsPrivate: null,
 
+  /** @override */
   ready: function() {
     this.languageSettingsPrivate =
         settings.languageSettingsPrivateApiForTest ||
         /** @type {!LanguageSettingsPrivate} */(chrome.languageSettingsPrivate);
 
     this.languageSettingsPrivate.getSpellcheckWords(function(words) {
       this.words_ = words;
     }.bind(this));
 
     // Updates are applied locally so they appear immediately, but we should
@@ skipping 89 matching lines @@
 
   /**
    * Checks if any words exists in the dictionary.
    * @private
    * @return {boolean}
    */
   hasWords_: function() {
     return this.words_.length > 0;
   }
 });