1 main frame - didStartProvisionalLoadForFrame
2 main frame - didCommitLoadForFrame
3 frame "f1" - didStartProvisionalLoadForFrame
4 main frame - didFinishDocumentLoadForFrame
5 frame "f1" - didFailProvisionalLoadWithError
6 main frame - didHandleOnloadEventsForFrame
7 main frame - didFinishLoadForFrame
8 This is a test of load callbacks. It is only useful inside the regression test tool.