options: Remove a bunch of useless:

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

 // Copyright (c) 2013 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() {
   var OptionsPage = options.OptionsPage;
 
   /**
    * Encapsulated handling of the 'DisplayOverscan' page.
    * @constructor
@@ skipping 14 matching lines @@
      * @private
      */
     id_: null,
 
     /**
      * The keyboard event handler function.
      * @private
      */
     keyHandler_: null,
 
-    /**
-     * Initialize the page.
-     */
+    /** @override */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
 
       this.keyHandler_ = this.handleKeyevent_.bind(this);
       $('display-overscan-operation-reset').onclick = function() {
         chrome.send('reset');
       };
       $('display-overscan-operation-ok').onclick = function() {
         chrome.send('commit');
         OptionsPage.closeOverlay();
@@ skipping 103 matching lines @@
 
   DisplayOverscan.onOverscanCanceled = function() {
     DisplayOverscan.getInstance().onOverscanCanceled_();
   };
 
   // Export
   return {
     DisplayOverscan: DisplayOverscan
   };
 });