Mojo: add javascript bindings for request/response

mojo/public/bindings/js/connection.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.
 
-Polymer('kb-key-import', {
-  /**
-  * The id of the document fragment that will be imported.
-   */
-  importId: null,
+define("mojo/public/bindings/js/connection", [
+  "mojo/public/bindings/js/router",
+], function(router) {
 
-  /**
-   * Import content from a document fragment.
-   * @param {!DocumentFragment} content Document fragment that contains
-   *     the content to import.
-   */
-  importDoc: function(content) {
-    var id = this.getAttribute('importId');
-    var fragment = content.querySelector('#' + id);
-    return fragment && fragment.content ? fragment.content : fragment;
+  function Connection(handle, localFactory, remoteFactory) {
+    this.router_ = new router.Router(handle);
+    this.remote = new remoteFactory(this.router_);
+    this.local = new localFactory(this.remote);
+    this.router_.setIncomingReceiver(this.local);
   }
+
+  Connection.prototype.close = function() {
+    this.router_.close();
+    this.router_ = null;
+    this.local = null;
+    this.remote = null;
+  };
+
+  var exports = {};
+  exports.Connection = Connection;
+  return exports;
 });
-