History: Use images instead of unicode characters.

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 851 matching lines @@
 HistoryView.prototype.getGroupedVisitsDOM_ = function(
     results, domain, domainVisits) {
   // Add a new domain entry.
   var siteResults = results.appendChild(
       createElementWithClassName('li', 'site-entry'));
   // Make a wrapper that will contain the arrow, the favicon and the domain.
   var siteDomainWrapper = siteResults.appendChild(
       createElementWithClassName('div', 'site-domain-wrapper'));
   var siteArrow = siteDomainWrapper.appendChild(
       createElementWithClassName('div', 'site-domain-arrow collapse'));
-  siteArrow.textContent = '►';
   var siteDomain = siteDomainWrapper.appendChild(
       createElementWithClassName('div', 'site-domain'));
+  var siteDomainLink = siteDomain.appendChild(
+      createElementWithClassName('button', 'link-button'));
+  siteDomainLink.addEventListener('click', function(e) { e.preventDefault(); });
+  siteDomainLink.textContent = domain;
   var numberOfVisits = createElementWithClassName('span', 'number-visits');
   numberOfVisits.textContent = loadTimeData.getStringF('numbervisits',
                                                        domainVisits.length);
-  var domainElement = document.createElement('span');
-  domainElement.textContent = domain;
-  siteDomain.appendChild(domainElement);
   siteDomain.appendChild(numberOfVisits);
   siteResults.appendChild(siteDomainWrapper);
   var resultsList = siteResults.appendChild(
       createElementWithClassName('ol', 'site-results'));
 
   domainVisits[0].addFaviconToElement_(siteDomain);
 
   siteDomainWrapper.addEventListener('click', toggleHandler);
   // Collapse until it gets toggled.
   resultsList.style.height = 0;
@@ skipping 659 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;
 });