protocol 69 Source/core/frame/Location.cpp String Location::protocol() const protocol 112 Source/modules/mediastream/RTCDataChannel.cpp String RTCDataChannel::protocol() const protocol 520 Source/modules/websockets/WebSocket.cpp String WebSocket::protocol() const protocol 327 Source/platform/weborigin/KURL.cpp String KURL::protocol() const protocol 76 Source/web/WebSecurityOrigin.cpp WebString WebSecurityOrigin::protocol() const