diff --git a/media/mtp/MtpDatabase.h b/media/mtp/MtpDatabase.h
index 2395f4f..f3f9720 100644
--- a/media/mtp/MtpDatabase.h
+++ b/media/mtp/MtpDatabase.h
@@ -45,6 +45,8 @@
                                             MtpObjectFormat format,
                                             bool succeeded) = 0;
 
+    virtual void                    doScanDirectory(const char* path) = 0;
+
     virtual MtpObjectHandleList*    getObjectList(MtpStorageID storageID,
                                             MtpObjectFormat format,
                                             MtpObjectHandle parent) = 0;