B2G/gecko/browser/components/nsBrowserGlue.js
// profile shutdown handler (contains profile cleanup routines)
profile shutdown handler (contains profile cleanup routines)
profile shutdown handler ( contains profile cleanup routines )
function BG__onProfileShutdown() {
    this._shutdownPlaces();
    this._sanitizer.onShutdown();
    PageThumbs.uninit();
    BrowserNewTabPreloader.uninit();
  }
function BG__onProfileShutdown ( ) { this . _shutdownPlaces ( ) ; this . _sanitizer . onShutdown ( ) ; PageThumbs . uninit ( ) ; BrowserNewTabPreloader . uninit ( ) ; }
profile shutdown handler (contains profile cleanup routines)
profile shutdown handler ( contains profile cleanup routines )