Polymer/ShadowDOM — pull request #498 by jmesserly (2014-08-27 22:50:10+00:00)
Title: Revert "restore isLoadLikeEvent"

Reverts Polymer/ShadowDOM#497

fyi @kegluneq -- I'm reverting because my new test doesn't seem to work right in IE 10 and Safari 6. Want to understand what's going on. Might just be a test issue but want to stay on the safe side.