[webkit-reviews] review requested: [Bug 116253] Replace WebFrameLoaderClient static_casts with a function that might return null : [Attachment 202006] Patch v1

[bugzilla-daemon at webkit.org]

Brady Eidson <beidson at apple.com> has asked  for review:
Bug 116253: Replace WebFrameLoaderClient static_casts with a function that
might return null
https://bugs.webkit.org/show_bug.cgi?id=116253

Attachment 202006: Patch v1 
https://bugs.webkit.org/attachment.cgi?id=202006&action=review