68                              DWORD bytes_read, DWORD error);
98     MessageLoopForIO::IOContext* context, DWORD bytes_read, DWORD error) {  in OnIOCompleted()  argument
107   int result = static_cast<int>(bytes_read);  in OnIOCompleted()
111   if (bytes_read)  in OnIOCompleted()
112     IncrementOffset(&context->overlapped, bytes_read);  in OnIOCompleted()
239   DWORD bytes_read;  in Read()  local
240   if (!ReadFile(file_, buf, buf_len, &bytes_read, overlapped)) {  in Read()
255     rv = static_cast<int>(bytes_read);  in Read()
265     int bytes_read = Read(buf, to_read, NULL);  in ReadUntilComplete()  local
266     if (bytes_read <= 0) {  in ReadUntilComplete()
268         return bytes_read;  in ReadUntilComplete()
273     bytes_total += bytes_read;  in ReadUntilComplete()
274     buf += bytes_read;  in ReadUntilComplete()
275     to_read -= bytes_read;  in ReadUntilComplete()