guardian/frontend — pull request #3605 by ironsidevsquincy (2014-03-21 12:08:25+00:00)
Title: OAS and DFP top ad slots a are mutually exclusive

Kind of unnecessary to have separate switches for OASa and DFP (one should be the default), but as we'll be getting rid of the OAS code soon, not going to simplify it

Also, make sure `AdvertSwitch` is on before even displaying the slot