emberjs/website — pull request #912 by benmoss (2013-09-19 14:48:45+00:00)
Title: Remove debugging tips for using a record's stateManager

These two tips no longer work, since the stateManager was removed from Ember Data.

http://emberjs.com/guides/understanding-ember/debugging/#toc_get-the-state-history-of-an-ember-data-record