fuchsia/engine/context_provider.cmx

{
  "program": {
    "binary": "web_engine_exe",
    "args": [ "--context-provider" ]
  },
  "sandbox": {
    "features": [
      "config-data"
    ],
    "services": [
      "fuchsia.feedback.ComponentDataRegister",
      "fuchsia.feedback.CrashReportingProductRegister",
      "fuchsia.logger.LogSink",
      "fuchsia.media.ProfileProvider",
      "fuchsia.sys.Environment",
      "fuchsia.sys.Loader"
    ]
  }
}