File list (Check if you may need any files):
newdownload\download\provider\AppDownloadInfo.java
...........\........\........\AppDownloadManager.java
...........\........\........\AppDownloadService.java
...........\........\........\Constants.java
...........\........\........\DownloadHandler.java
...........\........\........\DownloadNotification.java
...........\........\........\DownloadProvider.java
...........\........\........\DownloadReceiver.java
...........\........\........\Downloads.java
...........\........\........\DownloadThread.java
...........\........\........\Helpers.java
...........\........\........\RealSystemFacade.java
...........\........\........\SizeLimitActivity.java
...........\........\........\StopRequestException.java
...........\........\........\StorageManager.java
...........\........\........\SystemFacade.java
...........\synctastobj\downloadmgr\DownloadInfoBean.java
...........\...........\...........\IwitDownloadManager.java
...........\...........\testui\DownloadTestActivity.java
...........\utils\DownLoadUtils.java
...........\download\provider
...........\synctastobj\downloadmgr
...........\...........\testui
...........\download
...........\synctastobj
...........\utils
newdownload