Apps v2 identity integration.

remoting/webapp/host_screen.js

 // Copyright (c) 2012 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
  * Functions related to the 'host screen' for Chromoting.
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
  * @type {boolean} Whether or not the last share was cancelled by the user.
  *     This controls what screen is shown when the host plugin signals
  *     completion.
  * @private
  */
 var lastShareWasCancelled_ = false;
 
 /**
  * Start a host session. This is the main entry point for the host screen,
  * called directly from the onclick action of a button on the home screen.
  */
 remoting.tryShare = function() {
   console.log('Attempting to share...');
-  remoting.oauth2.callWithToken(remoting.tryShareWithToken_,
-                                remoting.showErrorMessage);
+  remoting.identity.callWithToken(remoting.tryShareWithToken_,
+                                  remoting.showErrorMessage);
 };
 
 /**
  * @param {string} token The OAuth access token.
  * @private
  */
 remoting.tryShareWithToken_ = function(token) {
   lastShareWasCancelled_ = false;
   onNatTraversalPolicyChanged_(true);  // Hide warning by default.
   remoting.setMode(remoting.AppMode.HOST_WAITING_FOR_CODE);
   document.getElementById('cancel-share-button').disabled = false;
   disableTimeoutCountdown_();
 
   var div = document.getElementById('host-plugin-container');
   remoting.hostSession = new remoting.HostSession();
   remoting.hostSession.createPluginAndConnect(
       document.getElementById('host-plugin-container'),
-      /** @type {string} */(remoting.oauth2.getCachedEmail()),
+      /** @type {string} */(remoting.identity.getCachedEmail()),

[Wez, 2013/01/05 00:04:24]

nit: Do we still need this type annotation here?

[Jamie, 2013/01/05 01:32:54]

Yes, getCachedEmail can return null if we're not authenticated, but
createPluginAndConnect can't accept a null argument. The annotation is a cast
because we know we've authenticated here.

       token,
       onNatTraversalPolicyChanged_,
       onHostStateChanged_,
       logDebugInfo_);
 };
 
 /**
  * Callback for the host plugin to notify the web app of state changes.
  * @param {remoting.HostSession.State} state The new state of the plugin.
  */
@@ skipping 208 matching lines @@
  * @return {void} Nothing.
  */
 function onNatTraversalPolicyChanged_(enabled) {
   var natBox = document.getElementById('nat-box');
   if (enabled) {
     natBox.classList.add('traversal-enabled');
   } else {
     natBox.classList.remove('traversal-enabled');
   }
 }