Added already_open column to chrome://suggestions-internals.

chrome/browser/resources/suggestions_internals/suggestions_internals.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. */
 
 .suggestions-debug-table {
   border: 1px solid grey;
   margin-bottom: 1.5em;
 }
 
 .suggestions-debug-table th {
   border: 1px solid grey;
 }
 
 .suggestions-debug-table td {
   border: 1px solid grey;
 }
 
 p {
   margin: 0;
 }
 
 .input-section {
   margin-bottom: 1em;
 }
 
-.has-screenshot {
+.boolean-property-true {
   background-color: rgb(146, 205, 0);
 }
+
+.boolean-property-false {
+  background-color: rgb(205, 74, 0);
+}
+
+.boolean-property-true,
+.boolean-property-false {
+  text-align: center;
+}