The IsInAppBrowserPrivacyEnabled NSUserDefaults value used to enable/disable App-Bound Domains. Now App-Bound domains is opt-in based on a value in the app's Info.plist, so we can remove this code from the tests.
<rdar://problem/69456713>
Created attachment 409515 [details] Patch
Committed r267553: <https://trac.webkit.org/changeset/267553> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409515 [details].