Adding/renaming a folder in the bookmark manager should not hide the icon.

chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js

Index: chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js
diff --git a/chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js b/chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js
index 7582698b0f1c1a5e11cf8bdba7afa961cb1262e3..2612c5073c9fb5f92c7e81c719559b6dc6ded69a 100644
--- a/chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js
+++ b/chrome/browser/resources/bookmark_manager/js/bmm/bookmark_list.js
@@ -479,8 +479,8 @@ cr.define('bmm', function() {
       var title = this.bookmarkNode.title;
       var isFolder = bmm.isFolder(this.bookmarkNode);
       var listItem = this;
-      var labelEl = this.firstChild;
-      var urlEl = labelEl.nextSibling;
+      var labelEl = queryRequiredElement('.label-text', this);

[Dan Beam, 2016/10/27 03:56:17]

labelTextEl?

[Peter Kasting, 2016/10/27 06:00:26]

Done.

+      var urlEl = queryRequiredElement('.url', this);
       var labelInput, urlInput;
 
       // Handles enter and escape which trigger reset and commit respectively.