[clang] [llvm] [alpha.webkit.NoUncheckedPtrMemberChecker] Introduce member variable checker for CheckedPtr/CheckedRef (PR #108352)

[Artem Dergachev via llvm-commits]

https://github.com/haoNoQ approved this pull request.

LGTM!! I've got nitpicks but none of them are substantial enough to block. We've figured out the ObjC thing offline right?

https://github.com/llvm/llvm-project/pull/108352