Updated remoting.xhr API to use promises. Removed access to the native

remoting/webapp/crd/js/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.
  */
 
 /** @suppress {duplicate} */
@@ skipping 41 matching lines @@
     if (!hasHostDialog) {
       hostInstallDialog = new remoting.HostInstallDialog();
       hostInstallDialog.show(tryInitializeFacade, onInstallError);
     } else {
       hostInstallDialog.tryAgain();
     }
   };
 
   /** @param {!remoting.Error} error */
   var onInstallError = function(error) {
-    if (error.tag == remoting.Error.Tag.CANCELLED) {
+    if (error.hasTag(remoting.Error.Tag.CANCELLED)) {
       remoting.setMode(remoting.AppMode.HOME);
     } else {
       showShareError_(error);
     }
   };
 
   tryInitializeFacade();
 };
 
 /**
@@ skipping 89 matching lines @@
       // clicking OK, which puts the app into mode HOME.
       if (lastShareWasCancelled_) {
         remoting.setMode(remoting.AppMode.HOME);
       } else {
         remoting.setMode(remoting.AppMode.HOST_SHARE_FINISHED);
       }
     }
     cleanUp();
   } else if (state == remoting.HostSession.State.ERROR) {
     console.error('Host state: ERROR');
-    showShareError_(remoting.Error.UNEXPECTED);
+    showShareError_(remoting.Error.unexpected());
   } else if (state == remoting.HostSession.State.INVALID_DOMAIN_ERROR) {
     console.error('Host state: INVALID_DOMAIN_ERROR');
-    showShareError_(remoting.Error.INVALID_HOST_DOMAIN);
+    showShareError_(new remoting.Error(remoting.Error.Tag.INVALID_HOST_DOMAIN));
   } else {
     console.error('Unknown state -> ' + state);
   }
 }
 
 /**
  * This is the callback that the host plugin invokes to indicate that there
  * is additional debug log info to display.
  * @param {string} msg The message (which will not be localized) to be logged.
  */
 function logDebugInfo_(msg) {
   console.log('plugin: ' + msg);
 }
 
 /**
  * Show a host-side error message.
  *
  * @param {!remoting.Error} error The error to be localized and displayed.
  * @return {void} Nothing.
  */
 function showShareError_(error) {
   var errorDiv = document.getElementById('host-plugin-error');
-  l10n.localizeElementFromTag(errorDiv, error.tag);
-  console.error('Sharing error:', error.tag);
+  l10n.localizeElementFromTag(errorDiv, error.getTag());
+  console.error('Sharing error: ' + error.toString());
   remoting.setMode(remoting.AppMode.HOST_SHARE_FAILED);
   cleanUp();
 }
 
 /**
  * Show a sharing error with error code UNEXPECTED .
  *
  * @return {void} Nothing.
  */
 function it2meConnectFailed_() {
   // TODO (weitaosu): Instruct the user to install the native messaging host.
   // We probably want to add a new error code (with the corresponding error
   // message for sharing error.
   console.error('Cannot share desktop.');
-  showShareError_(remoting.Error.UNEXPECTED);
+  showShareError_(remoting.Error.unexpected());
 }
 
 function cleanUp() {
   base.dispose(hostSession_);
   hostSession_ = null;
 }
 
 /**
  * Cancel an active or pending it2me share operation.
  *
  * @return {void} Nothing.
  */
 remoting.cancelShare = function() {
   document.getElementById('cancel-share-button').disabled = true;
   console.log('Canceling share...');
   remoting.lastShareWasCancelled = true;
   try {
     hostSession_.disconnect();
   } catch (/** @type {*} */ error) {
     console.error('Error disconnecting: ' + error +
                   '. The host probably crashed.');
     // TODO(jamiewalch): Clean this up. We should have a class representing
     // the host plugin, like we do for the client, which should handle crash
     // reporting and it should use a more detailed error message than the
     // default 'generic' one. See crbug.com/94624
-    showShareError_(remoting.Error.UNEXPECTED);
+    showShareError_(remoting.Error.unexpected());
   }
   disableTimeoutCountdown_();
 };
 
 /**
  * @type {boolean} Whether or not the access code timeout countdown is running.
  */
 var timerRunning_ = false;
 
 /**
@@ skipping 81 matching lines @@
 function onNatTraversalPolicyChanged_(enabled) {
   var natBox = document.getElementById('nat-box');
   if (enabled) {
     natBox.classList.add('traversal-enabled');
   } else {
     natBox.classList.remove('traversal-enabled');
   }
 }
 
 })();