Exposes DOMMatrix, DOMPoint, DOMQuad, and DOMRect to workers. Backported from Mozilla bug 1420580.
Since these are just interpreted comments, there's 0 impact on actual code. This removes all lines that match /* vim: set(.*)tw=80: */ with S&R -- there are a few others scattered around which will be removed manually in a second part.
--HG-- extra : rebase_source : eb2bc60ffcac9afd44da7a2f5c99913829cd4753