title: How to make a part of Chrome "always on top"?
body: <p>Edit on 20190109. Just to clarify some thinks.<br>
  1. This is quite an old question, closed and yes off-topic (and also kind of a xy-problem question), still if you feel like it go on and down-vote it, I couldn't care less.<br>
  2. When I posted the question I wasn't aware of Electron and the solution it provides to my original requirement (and not the work around I am asking on this question).  </p>
  
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  <p>I was wondering if i could change some things in my chrome with an extension, so when i press..<br>
  1) the windows button + D<br>
  2) or the minimize button<br>
  3) or the "Show Desktop" button in windows 7   </p>
  
  <p>..a part of chrome would still be visible, to be more specific i want to turn to a state of "always on top" the 1) tab bar<br>
  2) the address bar<br>
  3) and the bookmark bar   </p>
  
  <p>so is it possible to "split" an application like chrome in two "pieces" and somehow change its visibility in one of those "pieces"? any ideas are welcomed!</p>