Bug 1656813 - Clang format gl.cc. r=lsalzman
Bug 1656813 - Clang format gl.cc. r=lsalzman

Differential Revision: https://phabricator.services.mozilla.com/D85711

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/12c0e9554a5f8a80e85fa88b23b6dad5a8afe750

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender