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