Disable mouse-focus of buttons in some WebUI pages

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">
 
 ///////////////////////////////////////////////////////////////////////////////
 // Globals:
 /** @const */ var RESULTS_PER_PAGE = 150;
 
@@ skipping 1510 matching lines @@
     $('filter-controls').hidden = false;
   }
 
   var title = loadTimeData.getString('title');
   uber.invokeMethodOnParent('setTitle', {title: title});
 
   // Adjust the position of the notification bar when the window size changes.
   window.addEventListener('resize',
       historyView.positionNotificationBar.bind(historyView));
 
+  cr.ui.FocusManager.disableMouseFocusOnButtons();
+
   if (isMobileVersion()) {
     if (searchField) {
       // Move the search box out of the header.
       var resultsDisplay = $('results-display');
       resultsDisplay.parentNode.insertBefore($('search-field'), resultsDisplay);
 
       window.addEventListener(
           'resize', historyView.updateClearBrowsingDataButton_);
 
       // When the search field loses focus, add a delay before updating the
@@ skipping 334 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;
 });