| main frame - didStartProvisionalLoadForFrame | |
| main frame - didCommitLoadForFrame | |
| main frame - didFinishDocumentLoadForFrame | |
| main frame - didHandleOnloadEventsForFrame | |
| main frame - didFinishLoadForFrame | |
| Test for https://bugs.webkit.org/show_bug.cgi?id=31227. If it didn't crash, the browser passed the test. |