B2G/gecko/toolkit/mozapps/extensions/XPIProvider.jsm
/**
   * Gets an array of nsIFiles for add-ons installed in this location.
   */
Gets an array of nsIFiles for add-ons installed in this location.
Gets an array of nsIFiles for add - ons installed in this location .
get addonLocations() {
    let locations = [];
    for (let id in this._IDToFileMap) {
      locations.push(this._IDToFileMap[id].clone());
    }
    return locations;
  }
get addonLocations ( ) { let locations = [ ] ; for ( let id in this . _IDToFileMap ) { locations . push ( this . _IDToFileMap [ id ] . clone ( ) ) ; } return locations ; }
Gets an array of nsIFiles for add-ons installed in this location.
Gets an array of nsIFiles for add - ons installed in this location .