[webkit-reviews] review requested: [Bug 48368] Update ProgressTracker when moving a frame between documents : [Attachment 72987] updated patch - added assert

[bugzilla-daemon at webkit.org]

Jenn Braithwaite <jennb at chromium.org> has asked  for review:
Bug 48368: Update ProgressTracker when moving a frame between documents
https://bugs.webkit.org/show_bug.cgi?id=48368

Attachment 72987: updated patch - added assert
https://bugs.webkit.org/attachment.cgi?id=72987&action=review