nscoord should be reserved for appunits.
Created attachment 8598330 [details] [diff] [review] patch
Why pizelSize rather than pixelSize?
Oops. Surely that was a typo.
Yes, it was a typo that went unnoticed. Thanks for noticing. I'll push a typo fix when I see inbound open. Leaving needinfo until that's done.
Pushed the typo fix.