void RenderFrameHostManager::InitializeRenderFrameIfNecessary(
    RenderFrameHostImpl* render_frame_host) {
  if (render_frame_host->IsRenderFrameLive())
    return;

  if (!ReinitializeRenderFrame(render_frame_host))
    return;

  if (render_frame_host != render_frame_host_.get())
    return;

  EnsureRenderFrameHostVisibilityConsistent();


  delegate_->NotifyMainFrameSwappedFromRenderManager(
      nullptr, render_frame_host_->render_view_host());
}

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.