Got disabled in chromium 71 upgrade https://github.com/electron/electron/commit/798b2a3ffd55c477af6258f0afb71000c9f8ecde

/cc @brenca @codebytere 
atom/browser/osr/osr_render_widget_host_view.cc
int) {
  Destroy();
}
void OffScreenRenderWidgetHostView::Destroy() {
  if (!is_destroyed_) {
    is_destroyed_ = true;
    if (parent_host_view_ != NULL) {
      CancelWidget();
    } else {
      if (popup_host_view_)
        popup_host_view_->CancelWidget();
      popup_bitmap_.reset();
      if (child_host_view_)
        child_host_view_->CancelWidget();
      if (!guest_host_views_.empty()) {
        
        
        
        for (auto* guest_host_view : guest_host_views_)
          guest_host_view->parent_host_view_ = nullptr;
        guest_host_views_.clear();
      }
      for (auto* proxy_view : proxy_views_)
        proxy_view->RemoveObserver();
      Hide();
    }
  }
  delete this;
}
void OffScreenRenderWidgetHostView::SetTooltipText(const base::string16&) {}