I believe Chrome apps can use Native Client, if you want to message between a C/C++ module and your web application. And of course there are increasingly mature

I believe Chrome apps can use Native Client, if you want to message between a C/C++ module and your web application. And of course there are increasingly mature tools for compiling C++ to some subset of JavaScript. https://developers.google.com/native-client/ https://developers.google.com/native-client/