a11y/options: Fix initial tab focus bug on supervised user history page.

chrome/browser/resources/history/history.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.
 
 <include src="../uber/uber_utils.js">
 <include src="history_focus_manager.js">
 
 ///////////////////////////////////////////////////////////////////////////////
 // Globals:
 /** @const */ var RESULTS_PER_PAGE = 150;
@@ skipping 1685 matching lines @@
       entry.visit.setIsLead(false);
     else
       el.tabIndex = -1;
   }
 
   // If there's no focusable elements, allow the first visit to be focused.
   if (!this.resultDiv_.querySelector('[tabindex="0"]') &&
       this.currentVisits_.length > 0) {
     var firstVisit = this.currentVisits_[0];
     firstVisit.setIsLead(true);
-    if (firstVisit.checkBox) firstVisit.checkBox.tabIndex = 0;
+    (firstVisit.checkBox || firstVisit.titleLink).tabIndex = 0;
   }
 };
 
 
 ///////////////////////////////////////////////////////////////////////////////
 // State object:
 /**
  * An 'AJAX-history' implementation.
  * @param {HistoryModel} model The model we're representing.
  * @param {HistoryView} view The view we're representing.
@@ skipping 573 matching lines @@
     historyView.reload();
 }
 
 // Add handlers to HTML elements.
 document.addEventListener('DOMContentLoaded', load);
 
 // This event lets us enable and disable menu items before the menu is shown.
 document.addEventListener('canExecute', function(e) {
   e.canExecute = true;
 });