[webkit-reviews] review granted: [Bug 190448] Use std::optional<size_t> for a WebBackForwardList's current index : [Attachment 351993] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has granted Alex Christensen
<achristensen at apple.com>'s request for review:
Bug 190448: Use std::optional<size_t> for a WebBackForwardList's current index
https://bugs.webkit.org/show_bug.cgi?id=190448

Attachment 351993: Patch

https://bugs.webkit.org/attachment.cgi?id=351993&action=review