[webkit-reviews] review requested: [Bug 47257] DeviceOrientation crash when page is in page cache and is navigated while listener is registered : [Attachment 70725] Patch

[bugzilla-daemon at webkit.org]

Steve Block <steveblock at google.com> has asked  for review:
Bug 47257: DeviceOrientation crash when page is in page cache and is navigated
while listener is registered
https://bugs.webkit.org/show_bug.cgi?id=47257

Attachment 70725: Patch
https://bugs.webkit.org/attachment.cgi?id=70725&action=review