The C21 Media article didn't say. It did an interview with Sander Schwartz last month before he left his duties at WBA who essentially admitted that all of Warner's current development slate is essentially products based on their fareweather (read: older and classic) properties, mainly the classic Looney Tunes (and the article explicitly says classic), Hanna Barbera and DC Universe libraries.
Here's a quote from the article:
Then it goes on about new media products, yadda, yadda, yadda, blah, blah, blah.