• Bug 1510030 - Fix the comment for OpacityBinding::update(). r=gw 

    Differential Revision: https://phabricator.services.mozilla.com/D63601

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/737f4bc3afd3e823fd3f0e253388789a8c0d0299
    @hiikezoe @moz-gfx
    hiikezoe authored and moz-gfx committed Feb 27, 2020
    0809ea1