title: What is Chrome doing with this "GC Event"?
body: <p>I'm getting the following timeline from a very simple site I'm working on. Chrome tells me it's cleaning up 10MB via the GC but I don't know how it could be! Any insight into this would be appreciated.</p>
  
  <p><img src="https://i.stack.imgur.com/j9Qj9.png" alt="GC Event"></p>
  
  <p>I thought SO would let you expand the image but I guess not - here's the full size: <a href="https://i.imgur.com/FZJiGlH.png" rel="noreferrer">http://i.imgur.com/FZJiGlH.png</a></p>