MD Settings: cr/cros - Guest mode page visibility

chrome/browser/resources/settings/settings_main/settings_main.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-main' displays the selected settings page.
  */
 Polymer({
   is: 'settings-main',
@@ skipping 39 matching lines @@
     showBasicPage_: {
       type: Boolean,
       value: true,
     },
 
     /** @private */
     showAboutPage_: {
       type: Boolean,
       value: false,
     },
+
+    /**
+     * Dictionary defining page visibility.
+     * @type {Object<boolean>}
+     */
+    pageVisibility: {
+      type: Object,
+      value: function() { return {}; },
+    },
   },
 
   /** @override */
   created: function() {
     /** @private {!PromiseResolver} */
     this.resolver_ = new PromiseResolver;
     settings.main.rendered = this.resolver_.promise;
   },
 
   attached: function() {
@@ skipping 70 matching lines @@
         this.currentRoute.section != '' ||
         this.currentRoute.subpage.length != 0) {
       this.currentRoute = {page: 'basic', section: '', subpage: [], url: ''};
     }
   },
 
   /**
    * @param {string} query
    */
   searchContents: function(query) {
+    assert(! /** @type {{hideToolbarSearchField: boolean}} */
+        (this.pageVisibility.hideToolbarSearchField));
+
     this.ensureInDefaultSearchPage_();
 
     // Trigger rendering of the basic and advanced pages and search once ready.
     // Even if those are already rendered, yield to the message loop before
     // initiating searching.
     this.showBasicPage_ = true;
     setTimeout(function() {
       settings.search(query, assert(this.$$('settings-basic-page')));
     }.bind(this), 0);
 
     this.showAdvancedPage_ = true;
     setTimeout(function() {
       settings.search(query, assert(this.$$('settings-advanced-page')));
     }.bind(this), 0);
   },
 });