options: Remove a bunch of useless:

chrome/browser/resources/sync_setup_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() {
   /** @const */ var OptionsPage = options.OptionsPage;
 
   // True if the synced account uses a custom passphrase.
   var usePassphrase_ = false;
 
@@ skipping 40 matching lines @@
     OptionsPage.call(this, 'syncSetup',
                      loadTimeData.getString('syncSetupOverlayTabTitle'),
                      'sync-setup-overlay');
   }
 
   cr.addSingletonGetter(SyncSetupOverlay);
 
   SyncSetupOverlay.prototype = {
     __proto__: OptionsPage.prototype,
 
-    /**
-     * Initializes the page.
-     */
+    /** @override */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
 
       var self = this;
       $('basic-encryption-option').onchange =
           $('full-encryption-option').onchange = function() {
         self.onEncryptionRadioChanged_();
-      }
+      };
       $('choose-datatypes-cancel').onclick =
           $('confirm-everything-cancel').onclick =
           $('stop-syncing-cancel').onclick =
           $('sync-spinner-cancel').onclick = function() {
         self.closeOverlay_();
       };
       $('confirm-everything-ok').onclick = function() {
         self.sendConfiguration_();
       };
       $('timeout-ok').onclick = function() {
@@ skipping 202 matching lines @@
      */
     setInputElementsDisabledState_: function(disabled) {
       var configureElements =
           $('customize-sync-preferences').querySelectorAll('input');
       for (var i = 0; i < configureElements.length; i++)
         configureElements[i].disabled = disabled;
       $('sync-select-datatypes').disabled = disabled;
 
       $('customize-link').hidden = disabled;
       $('customize-link').disabled = disabled;
-      $('customize-link').onclick = (disabled ? null : function() {
+      $('customize-link').onclick = disabled ? null : function() {
         SyncSetupOverlay.showCustomizePage(null,
                                            DataTypeSelection.SYNC_EVERYTHING);
         return false;
-      });
+      };
     },
 
     /**
      * Shows or hides the sync data type checkboxes in the advanced sync
      * settings dialog. Also initializes |dataTypeBoxes_| with their values, and
      * makes their onclick handlers update |dataTypeBoxes_|.
      * @param {Object} args The configuration data used to show/hide UI.
      * @private
      */
     setChooseDataTypesCheckboxes_: function(args) {
@@ skipping 478 matching lines @@
 
   SyncSetupOverlay.showStopSyncingUI = function() {
     SyncSetupOverlay.getInstance().showStopSyncingUI_();
   };
 
   // Export
   return {
     SyncSetupOverlay: SyncSetupOverlay
   };
 });