Settings: a11y: Just hide 'additional features' link

chrome/browser/resources/settings/a11y_page/manage_a11y_page.js

Index: chrome/browser/resources/settings/a11y_page/manage_a11y_page.js
diff --git a/chrome/browser/resources/settings/a11y_page/manage_a11y_page.js b/chrome/browser/resources/settings/a11y_page/manage_a11y_page.js
index e9bd692bb1f3d4fc797587e872fbc64b420e48ef..eac4841b8b62a8b624b2fab31439f248f00d8659 100644
--- a/chrome/browser/resources/settings/a11y_page/manage_a11y_page.js
+++ b/chrome/browser/resources/settings/a11y_page/manage_a11y_page.js
@@ -62,6 +62,12 @@ Polymer({
         return loadTimeData.getBoolean('enableAdjustableLargeCursor');
       },
     },
+
+    /** @private */
+    isGuest_: {
+      type: Boolean,
+      value: function() { return loadTimeData.getBoolean('isGuest'); }
+    },
   },
 
   /** @private */