Enable the accessibility audit for chrome://net-internals

chrome/browser/resources/net_internals/source_row.js

 // 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.
 
 var SourceRow = (function() {
   'use strict';
 
   /**
    * A SourceRow represents the row corresponding to a single SourceEntry
    * displayed by the EventsView.
@@ skipping 24 matching lines @@
   SourceRow.prototype = {
     createRow_: function() {
       // Create a row.
       var tr = addNode(this.parentView_.tableBody_, 'tr');
       tr._id = this.getSourceId();
       tr.style.display = 'none';
       this.row_ = tr;
 
       var selectionCol = addNode(tr, 'td');
       var checkbox = addNode(selectionCol, 'input');
+      checkbox.title = this.getSourceId();
       selectionCol.style.borderLeft = '0';
       checkbox.type = 'checkbox';
 
       var idCell = addNode(tr, 'td');
       idCell.style.textAlign = 'right';
 
       var typeCell = addNode(tr, 'td');
       var descriptionCell = addNode(tr, 'td');
       this.descriptionCell_ = descriptionCell;
 
@@ skipping 203 matching lines @@
     /**
      * Moves current object's row after |entry|'s row.
      */
     moveAfter: function(entry) {
       this.row_.parentNode.insertBefore(this.row_, entry.row_.nextSibling);
     }
   };
 
   return SourceRow;
 })();