Better access to offline login flow from user pods

chrome/browser/resources/chromeos/login/screen_error_message.css

 /* 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. */
 
 #error-message {
   width: 650px;
 }
 
 .show-with-ui-state-update,
 .show-with-ui-state-signin,
 .show-with-ui-state-supervised,
 .show-with-ui-state-kiosk-mode,
 .show-with-ui-state-local-state-error,
 .show-with-ui-state-auto-enrollment-error,
 .show-with-ui-state-rollback-error,
 .show-with-error-state-portal,
 .show-with-error-state-offline,
 .show-with-error-state-proxy,
 .show-with-error-state-auth-ext-timeout,
 .show-with-error-state-kiosk-online,
 .guest-signin,
-.offline-login,

[Greg Levin, 2016/08/31 16:52:06]

These changes cause "sign in as an existing user" link to appear at the bottom
of the "Network not available".  Is this the *right* way to do this?

 .connecting-indicator {
   display: none;
 }
 
 .ui-state-update .show-with-ui-state-update,
 .ui-state-signin .show-with-ui-state-signin,
 .ui-state-supervised .show-with-ui-state-supervised,
 .ui-state-kiosk-mode .show-with-ui-state-kiosk-mode,
 .ui-state-local-state-error .show-with-ui-state-local-state-error,
 .ui-state-auto-enrollment-error .show-with-ui-state-auto-enrollment-error,
 .ui-state-rollback-error .show-with-ui-state-rollback-error,
 .error-state-portal .show-with-error-state-portal,
 .error-state-offline .show-with-error-state-offline,
 .error-state-proxy .show-with-error-state-proxy,
 .error-state-auth-ext-timeout .show-with-error-state-auth-ext-timeout,
 .error-state-kiosk-online .show-with-error-state-kiosk-online,
 .allow-guest-signin .guest-signin,
-.allow-offline-login .offline-login,
 .show-connecting-indicator .connecting-indicator {
   display: block;
 }
 
 #oobe.error-message #step-logo {
   z-index: 1;
 }
 
 .error-header {
   /* A hack used to prevent aliasing on High-DPI displays. */
@@ skipping 89 matching lines @@
 }
 
 #error-navigation {
   color: rgba(0, 0, 0, .54);
   left: 0;
   position: absolute;
   right: 0;
   top: 0;
   z-index: 1;
 }