T201848: Make DifferenceEngine callers pass revisions, not contents

Phabricator Link	T201848
Status	open
Priority	normal (orange)
Author	[1]
Owner
Projects	Multi-Content-Revisions (Tech Debt) MW-1.33-notes (1.33.0-wmf.3; 2018-11-06) CPT Initiatives (MCR) MediaWiki-Page-Diffs (Backlog)
Subtasks
Parent Tasks	T189220: Ensure that relevant extensions are MCR-aware
Tags

Related Gerrit Changes:

Change	Subject	Status	Owner	Created	Last Modified	Project
461863	Support multi-content diffs on Special:Undelete	MERGED	Gergő Tisza	21 Sep 2018	05 Nov 2018	mediawiki/core