Trap exceptions calling getDaemonConfig on ChromeOS.

remoting/webapp/host_controller.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.
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /** @constructor */
@@ skipping 301 matching lines @@
   function onConfig(configStr) {
     var config = /** @type {Object.<string,string>} */ JSON.parse(configStr);
     if (typeof config['host_id'] == 'string') {
       var hostId = config['host_id'];
       that.setHost(hostList.getHostForId(hostId));
     } else {
       that.setHost(null);
     }
     onDone();
   };
-  this.plugin_.getDaemonConfig(onConfig);
+  try {
+    this.plugin_.getDaemonConfig(onConfig);
+  } catch (err) {
+    this.setHost(null);
+    onDone();

[Wez, 2012/04/24 02:17:21]

nit: You could just onConfig('{}') here.

+  }
 };
 
 /** @type {remoting.HostController} */
 remoting.hostController = null;