This is a request for WebKit's position on extending getDisplayMedia to also accept MediaTrackConstraintSet.displaySurface. The PR that introduced this behavior to the getDisplayMedia spec was approved by Apple engineer Youenn Fablet. Links: * Explainer: https://docs.google.com/document/d/1uI51R4YfFQtfiDTw1KfnLqzIu45OgxhYoUT7khlh... * Spec: https://github.com/w3c/mediacapture-screen-share/pull/186/files * ChromeStatus entry: https://chromestatus.com/feature/5186392840732672