blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
  DCHECK(!frame_ || frame_ == frame);
  if (render_view_->renderer_preferences_.enable_do_not_track)
    return WebString::fromUTF8("1");
  return WebString();
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.