B2G/gecko/browser/components/places/src/PlacesUIUtils.jsm
/**
   * Get the folder id for the organizer left-pane folder.
   */
Get the folder id for the organizer left-pane folder.
Get the folder id for the organizer left - pane folder .
get allBookmarksFolderId() {
    this.leftPaneFolderId;
    delete this.allBookmarksFolderId;
    return this.allBookmarksFolderId = this.leftPaneQueries["AllBookmarks"];
  }
get allBookmarksFolderId ( ) { this . leftPaneFolderId ; delete this . allBookmarksFolderId ; return this . allBookmarksFolderId = this . leftPaneQueries [ "AllBookmarks" ] ; }
Get the folder id for the organizer left-pane folder.
Get the folder id for the organizer left - pane folder .
// ensure the left-pane root is initialized;