Web: "Download" on Explorer background

[chrmarti]

Testing #83137

Doesn't do anything:

Version: 1.40.0-insider
Commit: b7b2184
Date: 2019-10-29T06:38:51.389Z
Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36

[bpasero]

@isidorn need more context key cleverness from you here 👍

[isidorn]

Haha, no problem