Implement exponential backoff for failed Me2Me authentication attempts

remoting/webapp/client_session.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
  * Class handling creation and teardown of a remoting client session.
  *
  * The ClientSession class controls lifetime of the client plugin
  * object and provides the plugin with the functionality it needs to
@@ skipping 70 matching lines @@
   FAILED: 5
 };
 
 /** @enum {number} */
 remoting.ClientSession.ConnectionError = {
   UNKNOWN: -1,
   NONE: 0,
   HOST_IS_OFFLINE: 1,
   SESSION_REJECTED: 2,
   INCOMPATIBLE_PROTOCOL: 3,
-  NETWORK_FAILURE: 4
+  NETWORK_FAILURE: 4,
+  HOST_IS_DISABLED: 5,
 };
 
 // The mode of this session.
 /** @enum {number} */
 remoting.ClientSession.Mode = {
   IT2ME: 0,
   ME2ME: 1
 };
 
 /**
@@ skipping 396 matching lines @@
 };
 
 /**
  * Logs statistics.
  *
  * @param {remoting.ClientSession.PerfStats} stats
  */
 remoting.ClientSession.prototype.logStatistics = function(stats) {
   this.logToServer.logStatistics(stats, this.mode);
 };