The changes for bug 1028497 moved around some of the logging code for userfonts. It also changed the prefix logged from 'userfonts' to 'fontset'. These should really all be 'userfonts' as that's the module that's being logged.
Created attachment 8505897 [details] [diff] [review] patch, use the 'userfonts' prefix consistently
Created attachment 8505988 [details] [diff] [review] patch, fixup various minor userfont logging problems Fixes up a bunch of minor errors in userfont logging that resulted from landing the FontFaceSet/FontFace changes.
Pushed to inbound: https://hg.mozilla.org/integration/mozilla-inbound/rev/6677055bccb1