Hide/Disable several (meaningless) options in Settings uber-page for Guest.

chrome/browser/resources/options2/chromeos/accounts_options_page.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. */
 
 .user-list-table {
   border: 1px solid lightgrey;
   border-collapse: collapse;
   border-spacing: 0;
 }
 
@@ skipping 71 matching lines @@
   background-image: url('warning.png');
   background-repeat: no-repeat;
   margin-bottom: 10px;
   margin-top: 10px;
   padding-bottom: 1px;
 }
 
 input#userNameEdit:invalid {
   background-color: rgb(255, 102, 102);
 }
+
+h3.guest-disabled {

[James Hawkins, 2012/03/01 20:00:19]

Combine all of these:

h3.guest-disabled,
span.guest-disabled,
label.guest-disabled {
  color: greay;
}

[Denis Kuznetsov (DE-MUC), 2012/03/02 17:32:25]

Done.

+  color: gray;
+}
+
+span.guest-disabled {
+  color: gray;
+}
+
+label.guest-disabled {
+  color: gray;
+}
+a.guest-disabled {

[James Hawkins, 2012/03/01 20:00:19]

Blank line before this.

[Denis Kuznetsov (DE-MUC), 2012/03/02 17:32:25]

Done.

+  opacity: 0.9
+}