Brendan Dahl b474db77c6 Bug 1551344 - Part 1: Remove XULDocument code. r=smaug,Jamie
All .xul files have been loading as HTMLDocuments for a few weeks now, so
it should be safe to remove the XULDocument implementation.

Differential Revision: https://phabricator.services.mozilla.com/D41238

--HG--
extra : moz-landing-system : lando
2019-08-09 19:57:50 +00:00
..