Show all experiments, even those that are unavailable on the current platform

chrome/browser/resources/flags.css

 /*
  * Copyright (c) 2011 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.
  */
 
 body {
   margin: 10px;
   min-width: 47em;
   /* Should match needs-restart.(height + padding-top + padding-bottom + 5) */
@@ skipping 82 matching lines @@
 .wbox {
   display: -webkit-box;
   -webkit-box-align: stretch;
   -webkit-box-flex: 1;
 }
 
 #top {
   -webkit-padding-end: 5px;
 }
 
-/* Disabled experiments display grey text on a grey background.  The title,
-   however, should remain completely legible. */
+/* Disabled and unsupported experiments display grey text on a grey background.
+   The title, however, should remain legible. */
+
+.experiment-unsupported > td,
 .experiment-disabled > td {
   background: #F0F0F0;
   color: #A0A0A0;
 }
 
+.experiment-unsupported .experiment-name,
 .experiment-disabled .experiment-name {
   color: #000;
 }
 
 .experiment {
   border-bottom: 1px solid #cdcdcd;
 }
 
 .experiment td {
   padding-bottom: 4px;
@@ skipping 35 matching lines @@
   /* If you change this, update body.padding-bottom */
   padding-top: 15px;
   position: fixed;
   width: 100%;
 }
 
 button {
   font-size: 104%;
 }