[giow] (3) Make the spec match more UAs (frames[] is in insertion order, not tree order)
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=24662
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@8515 340c8d12-0b0e-0410-8428-c7bf67bfef74