The CookieChangeEvent should not be exposed when the cookie store API is disabled.
Pull request: https://github.com/WebKit/WebKit/pull/21005
Committed 271243@main (e805c44a6ef1): <https://commits.webkit.org/271243@main> Reviewed commits have been landed. Closing PR #21005 and removing active labels.
<rdar://problem/118902989>