[e] (0) Integrate the 'event loop' mechanism of workers and windows together, and try to specify which is meant when it might be ambiguous.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=20041

git-svn-id: http://svn.whatwg.org/webapps@7696 340c8d12-0b0e-0410-8428-c7bf67bfef74
[giow] (3) Match reality
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=17471

git-svn-id: http://svn.whatwg.org/webapps@7697 340c8d12-0b0e-0410-8428-c7bf67bfef74