[webkit-reviews] review requested: [Bug 144418] UI process sometimes crashes under _takeViewSnapshot when the window is off-screen : [Attachment 252000] null-checks

[bugzilla-daemon at webkit.org]

Tim Horton <thorton at apple.com> has asked  for review:
Bug 144418: UI process sometimes crashes under _takeViewSnapshot when the
window is off-screen
https://bugs.webkit.org/show_bug.cgi?id=144418

Attachment 252000: null-checks

https://bugs.webkit.org/attachment.cgi?id=252000&action=review