[uievents] CompositionEvent constructor arguments name are atypical (#42)

Copied from W3C Bugzilla: https://www.w3.org/Bugs/Public/show_bug.cgi?id=28731

##### Philip Jägenstedt 2015-06-01 21:10:28 UTC
> Constructor(DOMString typeArg, optional CompositionEventInit compositionEventInitDict)

Event, UIEvent and many other events have a constructor on this form:

> Constructor(DOMString type, optional CompositionEventInit eventInitDict)


---
Reply to this email directly or view it on GitHub:
https://github.com/w3c/uievents/issues/42