Bug 1569443 - Free composition recorder structures when freeing Renderer r=kvark
Bug 1569443 - Free composition recorder structures when freeing Renderer r=kvark

Differential Revision: https://phabricator.services.mozilla.com/D39752

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/e7cba26781e9e2bf66f84d9c9f4aa507be6d25bf

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