History: Use images instead of unicode characters.

chrome/browser/resources/history/history.js

Index: chrome/browser/resources/history/history.js
diff --git a/chrome/browser/resources/history/history.js b/chrome/browser/resources/history/history.js
index 66dcc1096519c624287190f32aab9807d7daca9f..181adb66be6c9bf972bea7d4040ffd708c2fd4b1 100644
--- a/chrome/browser/resources/history/history.js
+++ b/chrome/browser/resources/history/history.js
@@ -865,13 +865,15 @@ HistoryView.prototype.getGroupedVisitsDOM_ = function(
       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(document.createElement('a'));
+  siteDomainLink.href = '#';
+  siteDomainLink.addEventListener('click', function(e) { e.preventDefault(); });
+  siteDomainLink.textContent = domain;
   var numberOfVisits = createElementWithClassName('span', 'number-visits');
   numberOfVisits.textContent = loadTimeData.getStringF('numbervisits',
                                                        domainVisits.length);
-  siteDomain.textContent = domain;
   siteDomain.appendChild(numberOfVisits);
   siteResults.appendChild(siteDomainWrapper);
   var resultsList = siteResults.appendChild(