[w3c/IndexedDB] Transaction active flag needs to be set during upgradeneeded callback (#163)

https://w3c.github.io/IndexedDB/#upgrade-transaction-steps

Steps should set/unset the active flag around the dispatch.

This was missing in V1, but implied by all of the machinery around transactions - whee. Also needs a test.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/w3c/IndexedDB/issues/163