title: Google Chrome Package App: How to add icon on notification area?
body: <p>Is there a way to add an Icon on notification area / system tray / system icon for my google chrome package app? Can it also listen when the icon on notification area is click (left or right)?</p>
  
  <p>If this question is already posted, please provide me the answer link. </p>
  
  <p>Thanks</p>