tomchristie/django-rest-framework — pull request #2053 by thedrow (2014-11-10 07:31:50+00:00)
Title: Added the old hooks as mixins for those who need an easier migration path from 2.4.x to 3.x

Should we raise a deprecation pending warning when those hooks are used?
I'd like to write tests for these mixins so don't merge but I'd like your general approval before I put more work into this.