Outside the scope of cleanup bug 873473, lib/addons.js appears it can have its reference to bug 599702 and its current warning check retired, and instead check for several potential add-on warning attribute types on the page element. See also https://bugzilla.mozilla.org/show_bug.cgi?id=599702#c7
Whiteboard: [mentor=whimboo][lang=js][good first bug] → [lang=js][good first bug]
Mozmill tests are no longer in use. So closing this bug.
Status: NEW → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → WONTFIX
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