emberjs/ember.js — pull request #2607 by bradleypriest (2013-05-01 14:09:55+00:00)
Title: Don't add disabled class if disabledWhen not provided

With the addition of #2436 any `linkTo` helper without `disabledWhen` provided will be disabled by default.

I'm not sure what the `=== false` check was for, so this might not be the best solution.

cc @trek