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

extensions/renderer/resources/data_receiver.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('data_receiver', [
     'async_waiter',
     'device/serial/data_stream.mojom',
     'device/serial/data_stream_serialization.mojom',
     'mojo/public/js/bindings/core',
     'mojo/public/js/bindings/router',
@@ skipping 89 matching lines @@
       elementNumBytes: 1,
       capacityNumBytes: bufferSize,
     };
     var receivePipe = core.createDataPipe(dataPipeOptions);
     this.init_(
         handle, receivePipe.consumerHandle, fatalErrorValue, 0, null, false);
     this.source_.init(receivePipe.producerHandle);
   }
 
   DataReceiver.prototype =
-      $Object.create(dataStream.DataSourceClientStub.prototype);
+      $Object.create(dataStream.DataSourceClient.stubClass.prototype);
 
   /**
    * Closes this DataReceiver.
    */
   DataReceiver.prototype.close = function() {
     if (this.shutDown_)
       return;
     this.shutDown_ = true;
     this.router_.close();
     this.waiter_.stop();
@@ skipping 26 matching lines @@
     /**
      * The [Router]{@link module:mojo/public/js/bindings/router.Router} for the
      * connection to the DataSource.
      * @private
      */
     this.router_ = new router.Router(source);
     /**
      * The connection to the DataSource.
      * @private
      */
-    this.source_ = new dataStream.DataSourceProxy(this.router_);
+    this.source_ = new dataStream.DataSource.proxyClass(this.router_);
     this.router_.setIncomingReceiver(this);
     /**
      * The handle to the data pipe to use for receiving data.
      * @private
      */
     this.receivePipe_ = dataPipe;
     /**
      * The current receive operation.
      * @type {module:data_receiver~PendingReceive}
      * @private
@@ skipping 172 matching lines @@
       this.receive_ = null;
       this.waiter_.stop();
       this.paused_ = true;
       return;
     }
     this.pendingError_ = pendingError;
   };
 
   return {DataReceiver: DataReceiver};
 });