diff --git a/media/mtp/MtpDataPacket.h b/media/mtp/MtpDataPacket.h
index 4e743b2..146ef64 100644
--- a/media/mtp/MtpDataPacket.h
+++ b/media/mtp/MtpDataPacket.h
@@ -99,6 +99,7 @@
 #endif
 
     inline bool         hasData() const { return mPacketSize > MTP_CONTAINER_HEADER_SIZE; }
+    void*               getData(int& outLength) const;
 };
 
 }; // namespace android