Add support for the downlinkMax attribute which provides the maximum theoretical bandwidth that the current connection can support. Also add "wimax" as a connection type. Also adds support for the connection.onchange event. The ontypechange event will be deprecated later.
Docs: https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/downlinkMax https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/type https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/onchange
Samples: https://googlechrome.github.io/samples/network-information/ https://jkarlin.github.io/netinfo-demo/