auto watermark_view = std::make_unique<enterprise_watermark::WatermarkView>();
watermark_view->SetString("WATERMARK_TEXT");
gfx::Rect rect = contents_view->GetVisibleBounds();
watermark_view->SetBoundsRect(rect);
auto border = views::CreateEmptyBorder(100);
watermark_view->SetBorder(std::move(border));
contents_view->AddChildView(std::move(watermark_view));
Please let me know your suggestions