main frame - DidStartNavigation main frame - ReadyToCommitNavigation main frame - didCommitLoadForFrame frame "-->" - BeginNavigation request to 'about:blank', http method GET frame "-->" - DidStartNavigation frame "-->" - ReadyToCommitNavigation frame "-->" - didCommitLoadForFrame frame "-->" - didFinishDocumentLoadForFrame frame "-->" - didHandleOnloadEventsForFrame frame "-->" - didFinishLoadForFrame main frame - didFinishDocumentLoadForFrame main frame - didHandleOnloadEventsForFrame main frame - didFinishLoadForFrame There should be no leaks when run with --enable-leak-detection