[AppRemoting] Implements LicenseManager.

remoting/webapp/app_remoting/js/app_remoting.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.
 
 /**
  * @fileoverview
  * This class implements the functionality that is specific to application
  * remoting ("AppRemoting" or AR).
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
  * @param {Array<string>} appCapabilities Array of application capabilities.
+ * @param {!remoting.LicenseManager} licenseManager
  * @constructor
  * @implements {remoting.ApplicationInterface}
  * @extends {remoting.Application}
  */
-remoting.AppRemoting = function(appCapabilities) {
+remoting.AppRemoting = function(appCapabilities, licenseManager) {
   base.inherits(this, remoting.Application);
 
   /** @private {remoting.Activity} */
   this.activity_ = null;
 
   /** @private */
+  this.licenseManager_ = licenseManager;
+
+  /** @private */
   this.appCapabilities_ = appCapabilities;
 };
 
 /**
  * @return {string} Application product name to be used in UI.
  * @override {remoting.ApplicationInterface}
  */
 remoting.AppRemoting.prototype.getApplicationName = function() {
   var manifest = chrome.runtime.getManifest();
   return manifest.name;
 };
 
 remoting.AppRemoting.prototype.getActivity = function() {
   return this.activity_;
 };
 
 /**
  * @param {!remoting.Error} error The failure reason.
  * @override {remoting.ApplicationInterface}
  */
 remoting.AppRemoting.prototype.signInFailed_ = function(error) {
   remoting.MessageWindow.showErrorMessage(
       this.getApplicationName(),
       chrome.i18n.getMessage(error.getTag()));
 };
 
 /**
  * @override {remoting.ApplicationInterface}
  */
-remoting.AppRemoting.prototype.initApplication_ = function() {
-  var windowShape = new remoting.WindowShape();
-  windowShape.updateClientWindowShape();
-
-  this.activity_ = new remoting.AppRemotingActivity(this.appCapabilities_, this,
-                                                    windowShape);
-};
+remoting.AppRemoting.prototype.initApplication_ = function() {};
 
 /**
  * @param {string} token An OAuth access token.
  * @override {remoting.ApplicationInterface}
  */
 remoting.AppRemoting.prototype.startApplication_ = function(token) {
-  this.activity_.start();
+  var windowShape = new remoting.WindowShape();
+  windowShape.updateClientWindowShape();
+  var that = this;
+
+  this.licenseManager_.getSubscriptionToken(token).then(

[garykac, 2015/06/04 22:13:43]

We should allow licenseManager go be null and simply launch the activity without
checking anything.  This will make the sample documentation (and external dev)
much easier.

[kelvinp, 2015/06/05 20:45:20]

Good idea.  Done

+      function(/** string*/ subscriptionToken) {
+    that.activity_ = new remoting.AppRemotingActivity(
+        that.appCapabilities_, that, windowShape, subscriptionToken);
+    that.activity_.start();
+  });
 };
 
 /**
  * @override {remoting.ApplicationInterface}
  */
 remoting.AppRemoting.prototype.exitApplication_ = function() {
   this.activity_.dispose();
   this.closeMainWindow_();
 };