GoogleChrome/apps-developer-tools — pull request #57 by adrifelt (2014-05-10 00:34:52+00:00)
Title: Adds an 'x' to the corner

This doesn't quite work yet, it'll need the BehaviorWindow object to actually be instantiated as an overlay before it does anything. So for now the 'x' will just appear in the corner to taunt you.

reviewer: @kvlees