+2020-07-24 Alex Christensen <achristensen@webkit.org>
+
+ Null check frame in Document::dispatchDisabledAdaptationsDidChangeForMainFrame and a few other places
+ https://bugs.webkit.org/show_bug.cgi?id=214715
+ <rdar://problem/65467702>
+
+ Reviewed by Geoffrey Garen.
+
+ * security/mutation-observer-frame-detach-expected.txt: Added.
+ * security/mutation-observer-frame-detach.html: Added.
+
2020-07-24 Alex Christensen <achristensen@webkit.org>
Fix assertion when highlighting in detached frames and make loads complete