Polymer/ShadowDOM — pull request #352 by arv (2014-01-15 20:43:22+00:00)
Title: Fix issue related to matches and jQuery

Chrome Canary now ships with `Element.prototype.matches` so we ended up only forwarding `document.documentElement.matches` to the wrapper. With this patch we forward all of them (matches and webkitMatchesSelector/mozMatchesSelector/msMatchesSelector).