emberjs/ember.js — pull request #5344 by hyderali (2014-08-09 14:10:12+00:00)
Title: [BUGFIX beta] Fixes issue - class given as unconditional binding to view not applied.

Passing `classBinding` to `view` helper is broken.
When the context for the view is an arrayController and it's content is empty then the class which is given unconditional, is not applied..
Failing bin: http://emberjs.jsbin.com/yokej/2/edit

Working bin in 1.5.0: http://emberjs.jsbin.com/vikuza/1/edit

This PR addresses it.

cc: @rwjblue