"Content Security Policy Level 2" . _:vb50821874 . "2016-12-15" . _:vb50821874 . _:vb50821872 "Adam Barth" . _:vb50821873 . _:vb50821871 . _:vb50821872 . . _:vb50821871 . _:vb50821871 "Mike West" . . . _:vb50821872 . _:vb50821873 "Daniel Veditz" . _:vb50821873 . . . . . . . _:vb50821874 .