• Bug 1510030 - Make prepare_prim_for_render private. r=gw 

    Differential Revision: https://phabricator.services.mozilla.com/D63603

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/42d17390bcca6e518624bddb755433277dd64ba4
    @hiikezoe @moz-gfx
    hiikezoe authored and moz-gfx committed Feb 27, 2020
    b152ac5