Implement URLRequest::Delegate, handle thread sync.

lib/browser/api/net.js

@@ -1,13 +1,12 @@
 'use strict'
 
+const {EventEmitter} = require('events')
 const binding = process.atomBinding('net')
-const {URLRequest} = binding
+const {net, Net} = binding
+const {URLRequest} = net
 
-// Public API.
-Object.defineProperties(exports, {
-    URLRequest: {
-        enumerable: true,
-        value: URLRequest
-    }
-})
+Object.setPrototypeOf(Net.prototype, EventEmitter.prototype)
+Object.setPrototypeOf(URLRequest.prototype, EventEmitter.prototype)
+
+module.exports = net