emberjs/ember.js — pull request #5439 by mmun (2014-08-19 23:54:16+00:00)
Title: Only instrument views with `instrumentDetails` defined

`SimpleHandlebarsView` does not define `instrumentDetails` because it is not intended to be instrumented.

Thanks to @cibernox for catching it. See http://pasteboard.co/2prLeL7b.png