UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36

Steps to reproduce the problem:
1. Have extension installed which uses WebSQL
2. Extension is restarted via user restart of browser, or update to extension
3. WebSQL database is completely removed and all data is gone

What is the expected behavior?
To not have the data disappear

What went wrong?
WebSQL database is completely removed and all data is gone.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 70.0.3538.110  Channel: n/a
OS Version: OS X 10.14.1
Flash Version: 

I have never been able to reproduce this on my local machine, but user reports have been coming in about this the past ~3 to 4 years.

Our extension https://chrome.google.com/webstore/detail/rss-feed-reader/pnjaodmkngahhkoihejjehlcdlnohgmp