Yep, I always think the 'all data' means there is no official api to do it, so I screw it and make my own from ground up. Unfortunately browsers only make spec

Yep, I always think the 'all data' means there is no official api to do it, so I screw it and make my own from ground up. Unfortunately browsers only make specific api for task that many people does. So there is always a portion of extensions need the 'all data' because there is no way otherwise.