old_contents: 
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    var head = document.getElementsByTagName('head')[0];
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = "https://apis.google.com/js/client.js?onload=initgapi";
    head.appendChild(script);
  })();
  
  (function() {
    window.ga = window.ga || function(...args) {
      (ga.q = ga.q || []).push(...args);
    };
    ga.l = Number(new Date);
    ga('create', 'UA-60316581-1', 'auto');
  })();
  
new_contents: 
  (function loadGapi() {
    var head = document.getElementsByTagName('head')[0];
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = "https://apis.google.com/js/client.js?onload=initgapi";
    head.appendChild(script);
  })();
  
  (function() {
    window.ga = window.ga || function(...args) {
      (ga.q = ga.q || []).push(...args);
    };
    ga.l = Number(new Date);
    ga('create', 'UA-60316581-1', 'auto');
    ga('set', 'DIMVersion', '$DIM_VERSION');
  })();
  
subject: Add DIM version custom dimension