[e] (0) WebIDL Global=/Exposed= syntax fixes, and make sure the globals are exposed to themselves
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=26447
Affected topics: Canvas, DOM APIs, HTML, HTML Syntax and Parsing, Offline Web Applications, Workers

git-svn-id: http://svn.whatwg.org/webapps@8752 340c8d12-0b0e-0410-8428-c7bf67bfef74