frame "-->" - BeginNavigation request to 'resources/subframe-that-removes-itself.html', http method GET frame "-->" - DidStartNavigation main frame - didFinishDocumentLoadForFrame frame "-->" - ReadyToCommitNavigation frame "-->" - didCommitLoadForFrame frame "-->" - DidFailLoad main frame - didHandleOnloadEventsForFrame main frame - didFinishLoadForFrame This tests a subframe that removes itself to make sure a delegate message to indicate the interrupted load fires.