components/printing/service/pdf_compositor_manifest.json

{
  "name": "pdf_compositor",
  "display_name": "PDF Compositor Service",
  "sandbox_type": "ppapi",
  "interface_provider_specs": {
    "service_manager:connector": {
      "provides": {
        "compositor": [ "printing::mojom::PdfCompositor" ]
       },
       "requires": {
         "*": [ "app" ],
        "service_manager": [ "service_manager:all_users" ]
       }
     }
  }
}