Mojo JS bindings: simplify mojo.connectToService() usage - Part 1

extensions/test/data/data_receiver_unittest.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.
 
 // Tests launched by extensions/renderer/api/serial/data_receiver_unittest.cc
 
 var test = require('test').binding;
 var unittestBindings = require('test_environment_specific_bindings');
 
 var BUFFER_SIZE = 10;
 var FATAL_ERROR = 2;
 
 // Returns a promise to a newly created DataReceiver.
 function createReceiver() {
   return Promise.all([
     requireAsync('content/public/renderer/service_provider'),
     requireAsync('data_receiver'),
     requireAsync('device/serial/data_stream.mojom'),
   ]).then(function(modules) {
     var serviceProvider = modules[0];
     var dataReceiver = modules[1];
     var dataStream = modules[2];
     return new dataReceiver.DataReceiver(
-        serviceProvider.connectToService(dataStream.DataSourceProxy.NAME_),
+        serviceProvider.connectToService(dataStream.DataSource.name),
         BUFFER_SIZE,
         FATAL_ERROR);
   });
 }
 
 // Returns a promise that will resolve to |receiver| when it has received an
 // error from its DataSource.
 function waitForReceiveError(receiver) {
   return new Promise(function(resolve, reject) {
     var onError = receiver.onError;
@@ skipping 141 matching lines @@
   },
 
   function testSourceShutdown() {
     createReceiver()
         .then(receiveAndCheckError(FATAL_ERROR))
         .then(closeReceiver)
         .then(test.succeed, test.fail);
   },
 
 ], test.runTests, exports);