The dependency was inadvertently missing from the patch stack. I'm going to reland with bug 2011516 included.
Bug 1799344 Comment 11 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
The dependency was inadvertently missing from the patch stack. I'm going to reland with https://bugzilla.mozilla.org/show_bug.cgi?id=2011516#c4 from bug 2011516 included.