Bug 1607697 - Pass-by-value clippy lints for some small structures. r…
4fe4faa
…=Gankro Differential Revision: https://phabricator.services.mozilla.com/D59116 [ghsync] From https://hg.mozilla.org/mozilla-central/rev/596d83b7671291fb344924f7c434c428f6f28b04
