Native languages will be deprecated and HTML along with Javascript will persist.
Google is doing a good work with Dart Lang, they know what the future will look like. they have Native Code just for today's needs but that's it. I think they will move all to Dart when it's ready.
And here with Web RTC support in the new Firefox 24 we have another clue of that.
With Web RTC you will be able to show your camera and activate your microfone directly from your browser.
If you're a developer, start checking this link and do some apps ready for the future, just like I'll start today
:-)
