MD Settings: cr/cros - Guest mode page visibility

chrome/browser/resources/settings/settings_main/settings_main.js

Index: chrome/browser/resources/settings/settings_main/settings_main.js
diff --git a/chrome/browser/resources/settings/settings_main/settings_main.js b/chrome/browser/resources/settings/settings_main/settings_main.js
index 75daea44da83eb7a5e91e6f11fb9a2c469abc85b..46f18bd1d36121080cdba341ca37bb68b4f8ebc5 100644
--- a/chrome/browser/resources/settings/settings_main/settings_main.js
+++ b/chrome/browser/resources/settings/settings_main/settings_main.js
@@ -57,6 +57,15 @@ Polymer({
       type: Boolean,
       value: false,
     },
+
+    /**
+     * Dictionary defining page visibility.
+     * @type {Object<boolean>}
+     */
+    pageVisibility: {
+      type: Object,
+      value: function() { return {}; },
+    },
   },
 
   /** @override */
@@ -147,6 +156,9 @@ Polymer({
    * @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.