mozilla/bedrock — pull request #1944 by lmorchard (2014-04-29 17:57:46+00:00)
Title: Offer a way to semi-permanently hide the Tabzilla error console easter egg

The easter egg, though nifty, is a bit of console verbosity that seemed to show up inconsistently & got a bit stale after the 1000th reload. Here's an unsolicited pull request to add a switch that disables the easter egg, at least until the message gets switched.