• Bug 1519454 - Hook up MallocSizeOf and use it to replace some manual … 

    …reporting. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D16354

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/ed1842f02fe2c773dad9c5b7f40b28a8555a0dcd
    @bholley @moz-gfx
    bholley authored and moz-gfx committed Jan 13, 2019
    b58943f