Fixing tap handling in Fiole Manager.

BUG=138094
TEST=Manual test.


Review URL: https://chromiumcodereview.appspot.com/10843026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149410 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/file_manager/js/file_manager.js

@@ -3153,7 +3153,7 @@ FileManager.prototype = {
   };
 
   FileManager.prototype.findListItemForEvent_ = function(event) {
-    return this.findListItemForNode_(event.srcElement);
+    return this.findListItemForNode_(event.touchedElement || event.srcElement);
   };
 
   FileManager.prototype.findListItemForNode_ = function(node) {