OnDidReadDataChunkFromDeviceFile   74 chrome/browser/media_galleries/linux/mtp_read_file_worker.cc       base::Bind(&MTPReadFileWorker::OnDidReadDataChunkFromDeviceFile,
OnDidReadDataChunkFromDeviceFile   64 chrome/browser/media_galleries/linux/mtp_read_file_worker.h   void OnDidReadDataChunkFromDeviceFile(