void RenderThreadImpl::SetFlingCurveParameters(
    const std::vector<float>& new_touchpad,
    const std::vector<float>& new_touchscreen) {
  webkit_platform_support_->SetFlingCurveParameters(new_touchpad,
                                                    new_touchscreen);

}

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.