Change userid from a uint32_t to a string guid

content/test/data/web_ui_mojo_shell_test.js

 // Copyright 2015 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.
 
 
 /**
  * This URL is defined in content/public/test/test_mojo_app.cc. It identifies
  * content_shell's out-of-process Mojo test app.
  */
 var TEST_APP_URL = 'system:content_mojo_test';
@@ skipping 17 matching lines @@
   };
 
   return function() {
     domAutomationController.setAutomationId(0);
     var connectorPipe =
         serviceRegistry.connectToService(connectorMojom.Connector.name);
     var connector = new connectorMojom.Connector.proxyClass(
         new router.Router(connectorPipe));
 
     connector.connect(
-        TEST_APP_URL, 1,
+        TEST_APP_URL, connectorMojom.kInheritUserID,
         function (services) {
           var test = connectToService(services, testMojom.TestMojoService);
           test.getRequestorName().then(function(response) {
             domAutomationController.send(
                 response.name == 'chrome://mojo-web-ui/');
           });
         },
         function (exposedServices) {});
   };
 });