Created attachment 571456 [details] [diff] [review]
Comment on attachment 571456 [details] [diff] [review]
The commit is different to the patch -- the commit is casting nsIAccessibleEvent values to PRUint32.
Uh, it is indeed. Thanks for catching that!
Backout of wrong patch: https://hg.mozilla.org/mozilla-central/rev/dcf3535f399a
Correct one: https://hg.mozilla.org/mozilla-central/rev/5310a3585ec1