Remove the google drive option on the settings page for supervized user

ui/webui/resources/js/chromeos/ui_account_tweaks.js

Index: ui/webui/resources/js/chromeos/ui_account_tweaks.js
diff --git a/ui/webui/resources/js/chromeos/ui_account_tweaks.js b/ui/webui/resources/js/chromeos/ui_account_tweaks.js
index 1ac79f4974527e1a5c8739b498d15c9764d3e857..ccfd3578132d3d4f20e512ca5ce246a4010d16a5 100644
--- a/ui/webui/resources/js/chromeos/ui_account_tweaks.js
+++ b/ui/webui/resources/js/chromeos/ui_account_tweaks.js
@@ -39,6 +39,13 @@ cr.define('uiAccountTweaks', function() {
   };
 
   /**
+   * @return {boolean} Whether we're currently in supervised user mode.
+   */
+  UIAccountTweaks.loggedInAsLocallyManagedUser = function() {
+    return loadTimeData.getBoolean('loggedInAsLocallyManagedUser');
+  };
+
+  /**
    * Disables or hides some elements in Guest mode in ChromeOS.
    * All elements within given document with guest-visibility
    * attribute are either hidden (for guest-visibility="hidden")