Make the process-wide ServiceRegistry available to JS.

content/test/data/web_ui_mojo.js

 // Copyright 2014 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.
 
 define('main', [
     'mojo/public/js/router',
     'content/test/data/web_ui_test_mojo_bindings.mojom',
-    'content/public/renderer/service_provider',
+    'content/public/renderer/frame_service_registry',
 ], function (router, bindings, serviceProvider) {
   var browserTarget;
 
   return function() {
     browserTarget = new bindings.BrowserTarget.proxyClass(
         new router.Router(
             serviceProvider.connectToService(bindings.BrowserTarget.name)));
 
     browserTarget.start().then(function() {
       browserTarget.stop();
     });
   };
 });