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
if (resized && render_widget_host_)
    render_widget_host_->SynchronizeVisualProperties();
}
viz::FrameSinkId OffScreenRenderWidgetHostView::AllocateFrameSinkId(
    bool is_guest_view_hack) {
  
  
  
  
  content::ImageTransportFactory* factory =
      content::ImageTransportFactory::GetInstance();
  return is_guest_view_hack
             ? factory->GetContextFactoryPrivate()->AllocateFrameSinkId()
             : viz::FrameSinkId(base::checked_cast<uint32_t>(
                                    render_widget_host_->GetProcess()->GetID()),
                                base::checked_cast<uint32_t>(
                                    render_widget_host_->GetRoutingID()));
}
void OffScreenRenderWidgetHostView::UpdateBackgroundColorFromRenderer(
    SkColor color) {
  if (color == background_color_)
    return;
  background_color_ = color;
  bool opaque = SkColorGetA(color) == SK_AlphaOPAQUE;
  GetRootLayer()->SetFillsBoundsOpaquely(opaque);
  GetRootLayer()->SetColor(color);
}
}