There was unnecessary conversion between this event and UISourceCodeAdded/Removed/Replaced.
Created attachment 142220 [details]
Comment on attachment 142220 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=142220&action=review
> - if (!added)
This two lines are still needed here.
> + var scriptIds = ;
Please remove this unused array here and in the method above.
> + source.js
A script in Content scripts tab looks weird.
Committed r117267: <http://trac.webkit.org/changeset/117267>