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 f80a8512c0c54b21bc89b73ddfbf8271534494f2..d1c7410cefe5ce371ceeaea19cb9ca8b4d0c92ad 100644
--- a/chrome/browser/resources/settings/settings_main/settings_main.js
+++ b/chrome/browser/resources/settings/settings_main/settings_main.js
@@ -54,6 +54,15 @@ Polymer({
       value: false,
       notify: true,
     },
+
+    /**
+     * Dictionary defining page visibility.
+     * @type {!GuestModePageVisibility}
+     */
+    pageVisibility: {
+      type: Object,
+      value: function() { return {}; },
+    },
   },
 
   /** @override */
@@ -104,6 +113,7 @@ Polymer({
    * @param {boolean} showBasicPage
    * @param {boolean} inSubpage
    * @return {boolean}
+   * @private
    */
   showAdvancedToggle_: function(showBasicPage, inSubpage) {
     return showBasicPage && !inSubpage;
@@ -120,6 +130,12 @@ Polymer({
     if (newRoute.page == 'about') {
       this.showPages_ = {about: true, basic: false, advanced: false};
     } else {
+
+      if (newRoute.page == 'advanced') {
+        assert(!this.pageVisibility ||
+            this.pageVisibility.advancedSettings !== false);
+      }
+
       this.showPages_ = {
         about: false,
         basic: newRoute.page == 'basic' || !this.inSubpage_,
@@ -168,4 +184,13 @@ Polymer({
           query, assert(this.$$('settings-advanced-page')));
     }.bind(this), 0);
   },
+
+  /**
+   * @param {(boolean|undefined)} visibility
+   * @return {boolean} True unless visibility is false.
+   * @private
+   */
+  showAdvancedSettings_: function(visibility) {
+    return visibility !== false;
+  },
 });