Implement the finalized syntax of these properties and drop the prefixes.
Created attachment 33290 [details] Patch
Comment on attachment 33290 [details] Patch r=me!
Comment on attachment 33290 [details] Patch Fixed in r46240.
Fixed in r46240.
It should be noted that as of the drop in prefix for background-clip, the value "content-box" no longer works. Filing new bug on that now, adding a comment in here about it but don't think this should be reopened.