remove mExpired from mozAccessible See https://bugzilla.mozilla.org/show_bug.cgi?id=758304#c5

And at the same time check for mGeckoAccessible in the various places to avoid crash.

Comment on attachment 632489 [details] [diff] [review] Check accessible expiry properly. r= Review of attachment 632489 [details] [diff] [review]: ----------------------------------------------------------------- r=me ::: accessible/src/mac/mozAccessible.mm @@ +561,5 @@ > } > > - (BOOL)isEnabled > { > + return mGeckoAccessible && ((mGeckoAccessible->InteractiveState() & states::UNAVAILABLE) == 0); I would habitually enclose this in ()'s but ok. I can't recall our agreed style on this.