autotestPrivate.loginStatus returns a dictionary instead of a string.

chrome/common/extensions/api/autotest_private.idl

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // API for integration testing. To be used on test images with a test component
 // extension.
 [nodoc] namespace autotestPrivate {
 
-  callback LoginStatusCallback = void (DOMString status);
+  dictionary LoginStatusDict {
+    // Are we logged in?
+    boolean isLoggedIn;
+    // Is the logged-in user the owner?
+    boolean isOwner;
+    // Is the screen locked?
+    boolean isScreenLocked;
+
+    // Is the logged-in user a regular user?
+    boolean isRegularUser;
+    // Are we logged into the guest account?
+    boolean isGuest;
+    // Are we logged into kiosk-app mode?
+    boolean isKiosk;
+
+    DOMString email;
+    DOMString displayEmail;
+    // User image: 'file', 'profile' or a number.
+    DOMString userImage;
+  };
+  callback LoginStatusCallback = void (LoginStatusDict status);
 
   interface Functions {
     // Logout of a user session.
     static void logout();
 
     // Restart the browser.
     static void restart();
 
     // Shutdown the browser.
     // |force|: if set, ignore ongoing downloads and onunbeforeunload handlers.
     static void shutdown(boolean force);
 
     // Get login status.
     static void loginStatus(LoginStatusCallback callback);
   };
 };