Web Inspector: add more context to Object.addEventListener assertions

https://bugs.webkit.org/show_bug.cgi?id=127125

Reviewed by Joseph Pecoraro.

Log invalid event type and listener parameters, and log the other
parameters so the callsite is easier to figure out.

* UserInterface/Object.js:
(WebInspector.Object.addEventListener):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162149 268f45cc-cd09-0410-ab3c-d52691b4dbfc