void DelegatedFrameHost::OnBeginFrame(const viz::BeginFrameArgs& args) {
  if (renderer_compositor_frame_sink_)
    renderer_compositor_frame_sink_->OnBeginFrame(args);
  client_->OnBeginFrame();
}

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.