[giow] (3) Spec navigator.appCodeName (and respec navigator.product) constant(s)
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=22558
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@8038 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 130d0fee9a3e597f583f784ba1edb54d1bcbbe71)