subprotocol       105 Source/modules/websockets/MainThreadWebSocketChannel.cpp String MainThreadWebSocketChannel::subprotocol()
subprotocol       146 Source/modules/websockets/NewWebSocketChannelImpl.cpp String NewWebSocketChannelImpl::subprotocol()
subprotocol        53 Source/modules/websockets/ThreadableWebSocketChannelClientWrapper.cpp String ThreadableWebSocketChannelClientWrapper::subprotocol() const
subprotocol       135 Source/modules/websockets/WorkerThreadableWebSocketChannel.cpp String WorkerThreadableWebSocketChannel::subprotocol()
subprotocol        85 Source/web/WebSocketImpl.cpp WebString WebSocketImpl::subprotocol()