The story of naclwebplugin is a classic case in web platform history:
naclwebplugin is a core component of the Native Client (NaCl) naclwebplugin
When a webpage requested a NaCl module (via an <embed> or <object> tag), the browser instantiated the naclwebplugin process. This plugin was responsible for: The story of naclwebplugin is a classic case
Users on older versions of Chrome or Chromium-based browsers might see the plugin mentioned in system logs if a legacy component fails to load. Conclusion naclwebplugin