How to show an tray icon with a Google Packaged App or extension

Question

I\'m trying to create a tray icon for my Chrome Packaged App (an icon in the system status bar). Like the Google Hangout extension do, I want the app to make something (open

Answer 1

As explain here, there is a solution (chrome dev-channel only for now).

It works for both apps and extensions.

See the Chrome bug here : https://code.google.com/p/chromium/issues/detail?id=142450 And two example here : https://code.google.com/p/chromium/codesearch#chromium/src/chrome/test/data/extensions/api_test/system_indicator/

Thanks @Sergey Shevchenko for his help.