options: Remove a bunch of useless:

chrome/browser/resources/options/chromeos/keyboard_overlay.js

 // Copyright (c) 2012 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.
 
 cr.define('options', function() {
 
   /**
    * Auto-repeat delays (in ms) for the corresponding slider values, from
    * long to short. The values were chosen to provide a large range while giving
    * several options near the defaults.
@@ skipping 22 matching lines @@
         loadTimeData.getString('keyboardOverlayTitle'),
         'keyboard-overlay',
         $('keyboard-confirm'), $('keyboard-cancel'));
   }
 
   cr.addSingletonGetter(KeyboardOverlay);
 
   KeyboardOverlay.prototype = {
     __proto__: options.SettingsDialog.prototype,
 
-    /**
-     * Initializes the page. This method is called in initialize.
-     */
+    /** @override */
     initializePage: function() {
       options.SettingsDialog.prototype.initializePage.call(this);
 
       $('enable-auto-repeat').customPrefChangeHandler =
           this.handleAutoRepeatEnabledPrefChange_.bind(this);
 
       var autoRepeatDelayRange = $('auto-repeat-delay-range');
       autoRepeatDelayRange.valueMap = AUTO_REPEAT_DELAYS;
       autoRepeatDelayRange.max = AUTO_REPEAT_DELAYS.length - 1;
       autoRepeatDelayRange.customPrefChangeHandler =
@@ skipping 114 matching lines @@
       var instance = KeyboardOverlay.getInstance();
       return instance[name + '_'].apply(instance, arguments);
     };
   });
 
   // Export
   return {
     KeyboardOverlay: KeyboardOverlay
   };
 });