Created attachment 175681 [details]
I skipped them to paint the bots green - r135526. Please unskip them with the fix.
The issue with http/tests/navigation/reload-subframe-object.html is more complicated that the rest, though also more important to fix. It will require similar api changes as those I introduce to fix bug #103056, so I will fix it with the same or a related patch.
Committed r135577: <http://trac.webkit.org/changeset/135577>
Reopen, because http/tests/navigation/reload-subframe-object.html is still skipped.
Created attachment 175767 [details]
Since we do not call getMIMETypeForExtension from getMIMETypeForPath, it turned out I could fix this without changing the general API.
Committed r135584: <http://trac.webkit.org/changeset/135584>