Right now `WorkQueue` and `ConcurrentWorkQueue` both inherit from `WorkQueueBase` which inherits from `FunctionDispatcher`. But like a `RunLoop` or a `WorkerOrWorkletThread`, a `WorkQueue` is a `SerialFunctionDispatcher`. As such it should inherit from that instead.
<rdar://problem/114535523>
Pull request: https://github.com/WebKit/WebKit/pull/17318
Committed 267623@main (4cc06b4be14a): <https://commits.webkit.org/267623@main> Reviewed commits have been landed. Closing PR #17318 and removing active labels.