old_contents: if (typeof chrome === 'undefined' ||
      !chrome ||
      (!chrome.extension && !chrome.app)) {
    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  
    ga('create', 'UA-40459098-2', 'passwordgen.org');
    ga('send', 'pageview');
  }
  
new_contents: if (typeof chrome === 'undefined' ||
      !chrome ||
      (!chrome.extension &&
       (!chrome.app || !chrome.app.window))) {
    console.log('Adding analytics code.');
    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  
    ga('create', 'UA-40459098-2', 'passwordgen.org');
    ga('send', 'pageview');
  }
  
subject: Fix check for extension/app in Analytics.