Comment 41 for bug 1203240

(In reply to comment #35)
> Why you can't you apply there the same approach of unlinking the file just
> after its created? Its simpler to implement and more robust.

Probably I wasn't clear enough but my proposal implied this inside WebKit code the problem was a possible permissions race condition between creation and deletion.(In reply to comment #36)

> (In reply to comment #34)
> I've checked it (after adding a hack to avoid removing the file, normally
> external processes can't see it), and the file permissions are "600":
>
> 1605111 81156 -rw------- 1 enrique enrique 83103373 Feb 2 19:33
> WebKit-Media-VPHGVY
>
> Having this into account, there's no reason why plain /var/tmp is a bad
> idea, and there are several reasons why it's a good idea (as per the "cache"
> vs. "temporary" file discussion in previous comments).

Then I think we would be good to go once you fix the less serious comments such as extra null checks, chars replacing, etc.