The app_restore component contains code necessary for collecting app launching information, app window information, and writing to the data storage. It provides:

• The interfaces for chrome/browser/ash/app_restore to read the storage to get app launching information.
• The interfaces for the Window Management component (ash/wm) to collect and save the app windows information.
• The interfaces for AppService (chrome/browser/apps/app_service) to save the app launching information.
• The interfaces for components/exo to set the window restoration properties.