Suppress "errors" that aren't really errors.

remoting/webapp/client_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 'client screen' for Chromoting.
  */
 
 'use strict';
@@ skipping 228 matching lines @@
       }
     } else {
       // The transition from CONNECTING to CLOSED state may happen
       // only with older client plugins. Current version should go the
       // FAILED state when connection fails.
       showConnectError_(remoting.Error.INVALID_ACCESS_CODE);
     }
 
   } else if (newState == remoting.ClientSession.State.FAILED) {
     console.error('Client plugin reported connection failed: ' +
-                       remoting.clientSession.error);
+                  remoting.clientSession.error);
     clearPin = true;
     if (remoting.clientSession.error ==
         remoting.ClientSession.ConnectionError.HOST_IS_OFFLINE) {
       clearPin = false;
       retryConnectOrReportOffline_();
     } else if (remoting.clientSession.error ==
                remoting.ClientSession.ConnectionError.SESSION_REJECTED) {
       showConnectError_(remoting.Error.INVALID_ACCESS_CODE);
     } else if (remoting.clientSession.error ==
                remoting.ClientSession.ConnectionError.INCOMPATIBLE_PROTOCOL) {
@@ skipping 263 matching lines @@
   if (token) {
     /** @type {string} */
     var pin = document.getElementById('pin-entry').value;
 
     remoting.clientSession =
         new remoting.ClientSession(
             remoting.hostJid, remoting.hostPublicKey,
             pin, 'spake2_hmac,spake2_plain', remoting.hostId,
             /** @type {string} */ (remoting.oauth2.getCachedEmail()),
             remoting.ClientSession.Mode.ME2ME, onClientStateChange_);
+    // Don't log errors for cached JIDs.
+    remoting.clientSession.logErrors(!remoting.retryIfOffline);
     remoting.clientSession.createPluginAndConnect(
         document.getElementById('session-mode'),
         token);
   } else {
     showConnectError_(remoting.Error.AUTHENTICATION_FAILED);
   }
 }