should be reenabled. cc @felixrieseberg
atom/browser/api/atom_api_web_contents.cc
if (IsOffScreen()) {
#if defined(ENABLE_OSR)
    auto* osr_rwhv = GetOffScreenRenderWidgetHostView();
    if (osr_rwhv)
      osr_rwhv->Invalidate();
#endif
  } else {
    auto* const window = owner_window();
    if (window)
      window->Invalidate();
  }
}
gfx::Size WebContents::GetSizeForNewRenderView(content::WebContents* wc) const {
  if (IsOffScreen() && wc == web_contents()) {
    auto* relay = NativeWindowRelay::FromWebContents(web_contents());
    if (relay) {
      return relay->window->GetSize();
    }
  }
  return gfx::Size();
}
void WebContents::SetZoomLevel(double level) {