Demo UI for device discovery and registration

chrome/browser/resources/local_discovery/local_discovery.css

 /* Copyright 2013 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. */
 
 thead {
   white-space: nowrap;
 }
 
 th {
   background-color: #c0c0c0;
 }
 
 td {
   background-color: #f0f0f0;
 }
+
+#info-console {
+  background-color: #f0f0f0;
+  height: 100px;
+  overflow: auto;
+}