Constructor new EncryptionScheme() A polyfill to add support for EncryptionScheme queries in EME. Source: lib/polyfill/encryption_scheme.js, line 19 See: https://wicg.github.io/encrypted-media-encryption-scheme/ https://github.com/w3c/encrypted-media/pull/457 https://github.com/shaka-project/eme-encryption-scheme-polyfill Methods install() Install the polyfill if needed. Source: lib/polyfill/encryption_scheme.js, line 26