emberjs/ember.js — pull request #1182 by lukemelia (2012-07-18 04:23:19+00:00)
Title: Simplify calls to Ember.Mixin.prototype.reopen in core_object

While working with @kselden on his Ember internals talk, we noticed a bit of confusing code in the Ember.Object creation process. Specifically, this commit makes it more clear how reopen is called to add to the PrototypeMixin and ClassMixin.