EFForg/https-everywhere — pull request #270 by jmorahan (2014-05-01 21:01:28+00:00)
Title: Hacky MCB workaround

The idea is to create a stand-in mixed content blocker that simply defers to the real one, but after rewriting the URL first.

Disclaimer: I know next to nothing about XPCOM and the nicest thing I can say about this patch is that it seems to work.