To avoid blocking the main thread of the UI process, collect Accessibility preferences on a background thread.
<rdar://80055168>
Created attachment 432783 [details] Patch
Created attachment 432927 [details] Patch
Comment on attachment 432927 [details] Patch r=me
Comment on attachment 432927 [details] Patch Thanks for reviewing!
Committed r279591 (239418@main): <https://commits.webkit.org/239418@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 432927 [details].