• Bug 1614655 - Part 1: Remove item_key from CommonItemProperties r=jrm… 

    …uizel

Differential Revision: https://phabricator.services.mozilla.com/D66442

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/0e791acac783e4ef9728fd2feded2d405010a76d
    @mikokm @moz-gfx
    mikokm authored and moz-gfx committed Mar 19, 2020
    46d6366