title: How do I check if a Google Chrome Extension needs to be updated?
body: <p>I know for extensions hosted on the webstore, when I push updates Google will automatically update the extensions of users but there is a lag (couple of hours).</p>
  
  <p>Is there a way for the extension to detect if there is a new update that hasn't been applied? The easiest way to do this would be to somehow query for the current version on the webstore and compare it to the installed version and I was wondering if there was anything in the API for this. </p>
  
  <p>I know that chrome.app.getDetails().version gives me the current installed version but is there a way to get the current web store version? Thanks.</p>
  
  <p>In the worst case, I could issue an http get for my extensions web store page and extract the version out from there but that seems to be super hacky so I'd prefer not to do it this way.</p>