Pull request #2145: 无JIRA任务 整理代码

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit 'b178702a3b62f1ad8769123315a89fb176a1789e':
  整理代码

src/base/list/virtualgrouplist.js

@@ -145,9 +145,6 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        if (items && this.options.items !== items) {
-            this.restore();
-        }
         this._populate(items);
     }
 });