history: fix focus row highlighting bug.

When tapping a date, in landscape, on tablet the focus row color doesn't
change. Fix this by focusing the title link when anywhere in the entry
box is tapped (it's going to navigate to the link anyways).

R=dpapad@chromium.org
BUG=437438
TEST=date a date, in landscape, on tablet -- color changes for .5s

Review URL: https://codereview.chromium.org/917183004

Cr-Commit-Position: refs/heads/master@{#316405}

chrome/browser/resources/history/history.js

@@ -287,8 +287,10 @@ Visit.prototype.getResultDOM = function(propertyBag) {
 
     // Support clicking anywhere inside the entry box.
     entryBox.addEventListener('click', function(e) {
-      if (!e.defaultPrevented)
+      if (!e.defaultPrevented) {
+        self.titleLink.focus();
         self.titleLink.click();
+      }
     });
   } else {
     var dropDown = createElementWithClassName('button', 'drop-down');