[webkit-reviews] review requested: [Bug 151234] visibilitychange:hidden doesn't fire during page navigations : [Attachment 409708] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 151234: visibilitychange:hidden doesn't fire during page navigations
https://bugs.webkit.org/show_bug.cgi?id=151234

Attachment 409708: Patch

https://bugs.webkit.org/attachment.cgi?id=409708&action=review