void DelegatedFrameHost::SetCompositor(ui::Compositor* compositor) {
  DCHECK(!compositor_);
  if (!compositor)
    return;
  compositor_ = compositor;
  compositor_->AddObserver(this);
  DCHECK(!vsync_manager_.get());
  vsync_manager_ = compositor_->vsync_manager();
  vsync_manager_->AddObserver(this);

  compositor_->AddFrameSink(frame_sink_id_);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.