Add <a is="action-link">, a web component extension of <a> for in-page actions.

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 1305 matching lines @@
     siteDomainCheckbox.domain_ = domain;
     siteDomainCheckbox.setAttribute('aria-label', domain);
     siteDomainRow.appendChild(siteDomainCheckbox);
   }
 
   var siteArrow = siteDomainRow.appendChild(
       createElementWithClassName('div', 'site-domain-arrow'));
   var siteDomain = siteDomainRow.appendChild(
       createElementWithClassName('div', 'site-domain'));
   var siteDomainLink = siteDomain.appendChild(
-      createElementWithClassName('button', 'link-button'));
-  siteDomainLink.addEventListener('click', function(e) { e.preventDefault(); });
+      document.createElement('a', 'action-link'));
   siteDomainLink.textContent = domain;
   var numberOfVisits = createElementWithClassName('span', 'number-visits');
   var domainElement = document.createElement('span');
 
   numberOfVisits.textContent = loadTimeData.getStringF('numberVisits',
                                                        domainVisits.length);
   siteDomain.appendChild(numberOfVisits);
 
   domainVisits[0].addFaviconToElement_(siteDomain);
 
@@ skipping 271 matching lines @@
   '.expand .grouped .entry:not(.fade-out)',
   '.site-domain-wrapper'
 ].join(', ');
 
 var focusGridColumnSelector = [
   '.entry-box input',
   '.bookmark-section.starred',
   '.title a',
   '.drop-down',
   '.domain-checkbox',
-  '.link-button',
+  '[is="action-link"]',
 ].join(', ');
 
 /** @private */
 HistoryView.prototype.updateFocusGrid_ = function() {
   var rows = this.resultDiv_.querySelectorAll(focusGridRowSelector);
   var grid = [];
 
   for (var i = 0; i < rows.length; ++i) {
     assert(rows[i].parentNode);
     grid.push(rows[i].querySelectorAll(focusGridColumnSelector));
@@ skipping 654 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;
 });