Switch away from older NSKeyedArchiver/NSKeyedUnarchive methods that supported non-NSSecureCoding serialization. This patch switches the last remaining 'insecure' cases to 'secure'.
<rdar://problem/34837397>
It looks like NSView/UIView do not support NSSecureCoding, so we can't completely switch WKWebView to NSSecureCoding. But we can make sure it's ready when the time comes.
Created attachment 330355 [details] Patch
Committed r226353: <https://trac.webkit.org/changeset/226353>
*** Bug 181252 has been marked as a duplicate of this bug. ***