MD Settings: remove unsupported routes from guest-mode.

chrome/browser/resources/settings/page_visibility.js

Index: chrome/browser/resources/settings/page_visibility.js
diff --git a/chrome/browser/resources/settings/page_visibility.js b/chrome/browser/resources/settings/page_visibility.js
index 0349d6cc83e89a7552abd18a126585cbe031eb08..a944d70d6dd8a4a5ef884817475332860f625b0f 100644
--- a/chrome/browser/resources/settings/page_visibility.js
+++ b/chrome/browser/resources/settings/page_visibility.js
@@ -9,11 +9,11 @@
  *   appearance: (boolean|undefined|AppearancePageVisibility),
  *   dateTime: (boolean|undefined|DateTimePageVisibility),
  *   defaultBrowser: (boolean|undefined),
- *   downloads: (undefined|DownloadsPageVisibility),
+ *   downloads: (boolean|undefined|DownloadsPageVisibility),
  *   onStartup: (boolean|undefined),
  *   passwordsAndForms: (boolean|undefined),
  *   people: (boolean|undefined),
- *   privacy: (undefined|PrivacyPageVisibility),
+ *   privacy: (boolean|undefined|PrivacyPageVisibility),
  *   reset:(boolean|undefined),
  * }}
  */
@@ -53,7 +53,6 @@ var DownloadsPageVisibility;
 var PrivacyPageVisibility;
 
 cr.define('settings', function() {
-
   /**
    * Dictionary defining page visibility.
    * This is only set when in guest mode. All pages are visible when not set