benvanik/WebGL-Inspector — pull request #108 by nickdesaulniers (2014-02-24 21:03:08+00:00)
Title: Patch 1

sometimes, the add-on would fail to load if the url of the activetab wasn't established. Big thanks to @zombie for the majority of this patch, and clarifications. More [background](https://bugzilla.mozilla.org/show_bug.cgi?id=975623) on the issue.