content/public/app/mojo/content_plugin_manifest.json

{
  "name": "service:content_plugin",
  "display_name": "Content (plugin process)",
  "interface_provider_specs": {
    "service_manager:connector": {
      "provides": {
        "browser": [ "IPC::mojom::ChannelBootstrap" ],
        "service_manager:service_factory": [
          "service_manager::mojom::ServiceFactory"
        ]
      },
      "requires": {
        "service:content_browser": [ "plugin" ]
      }
    }
  }
}