Logs payload data to popup.
In addition, it provides highlighting DOM nodes:
1. Add data-analytics-click="event_category|event_action|event_label" attribute to tags, which on click send event to google analytics
2. Add JS code to handle clicks on these tags, eg: https://github.com/bravecow/goose/blob/master/click.js
3. Click Highlight button
谷歌浏览器、其他Chromium内核的浏览器