Fix #1996, don't use requestAnimationFrame to reposition the overlay instructions, instead reposition them immediately
Fix #1996, don't use requestAnimationFrame to reposition the overlay instructions, instead reposition them immediately

mozilla-services/screenshots,mozilla-services/screenshots,fzzzy/pageshot,fzzzy/pageshot,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/pageshot