Don't change compositor visibility when minimizing/restoring a windows window.

This broke chrome cast mirroring from a minimized browser window.

This changed in https://chromium-review.googlesource.com/c/1326621

Bug: 930429
Change-Id: I0e212da02b66eed3f4b6d64c0d37fb61f1a6e840
Reviewed-on: https://chromium-review.googlesource.com/c/1468762Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: David Bienvenu <davidbienvenu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632387}

ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc

@@ -874,9 +874,6 @@ void DesktopWindowTreeHostWin::HandleWindowMinimizedOrRestored(bool restored) {
     window()->Show();
   else
     window()->Hide();
-
-  if (compositor())
-    compositor()->SetVisible(restored);
 }
 
 void DesktopWindowTreeHostWin::HandleClientSizeChanged(