DownloadNotificationService   39 content/public/android/java/src/org/chromium/content/browser/DownloadController.java     private static DownloadNotificationService sDownloadNotificationService;
DownloadNotificationService   57 content/public/android/java/src/org/chromium/content/browser/DownloadController.java     public static void setDownloadNotificationService(DownloadNotificationService service) {