Bug 900977 - properly close mRequestStream when shutting down a transaction. r=mcmanus
OK, try closing the stream in the channel instead of the transaction
Revert "OK, try closing the stream in the channel instead of the transaction"

This reverts commit 4d79acab745947271f72f2fa607f958901f5edee.

Take us back to the original try.
Revert "Revert "OK, try closing the stream in the channel instead of the transaction""

This reverts commit f0204896edcac908b412db2d6dd91f28c927abdd.

We really do want to do this at least at the channel level