lgtm
http://codereview.appspot.com/4612042/diff/1/src/com/google/caja/demos/playground/client/ui/PlaygroundView.java File src/com/google/caja/demos/playground/client/ui/PlaygroundView.java (right): http://codereview.appspot.com/4612042/diff/1/src/com/google/caja/demos/playground/client/ui/PlaygroundView.java#newcode254 src/com/google/caja/demos/playground/client/ui/PlaygroundView.java:254: $wnd.gapi.plusone.render("plusone",{size: "medium"}); Nit: space after comma. :) http://codereview.appspot.com/4612042/
