REGRESSION(236463) DownloadManager can call a null CompletionHandler
Created attachment 366327 [details] Patch
Comment on attachment 366327 [details] Patch r=me Can haz regression test?
(In reply to Geoffrey Garen from comment #2) > Comment on attachment 366327 [details] > Patch > > r=me > > Can haz regression test? Unfortunately, no. This is a hard-to-hit race condition when tearing things down while a download's location is being decided. It depends on IPC ordering. http://trac.webkit.org/r244030
<rdar://problem/49704618>