[webkit-reviews] review requested: [Bug 134887] REGRESSION (r171045): Reproducible crash on navigation in PageClientImpl::willRecordNavigationSnapshot : [Attachment 234868] Add nil checks

[bugzilla-daemon at webkit.org]

mitz at webkit.org <mitz at webkit.org> has asked  for review:
Bug 134887: REGRESSION (r171045): Reproducible crash on navigation in
PageClientImpl::willRecordNavigationSnapshot
https://bugs.webkit.org/show_bug.cgi?id=134887

Attachment 234868: Add nil checks
https://bugs.webkit.org/attachment.cgi?id=234868&action=review