mozilla/addon-sdk — pull request #394 by ZER0 (2012-04-03 21:32:30+00:00)
Title: Bug 741101 – Makes `contentStyle*` consistent with `contentScript*` about include match pattern

As described in my previous comment on bugzilla, that's actually don't solve the problem, but limit it, and makes the behavior consistent across `contentStyle*` and `contentScript*`.