diff --git a/update_attempter.h b/update_attempter.h
index 1993321..0f5d605 100644
--- a/update_attempter.h
+++ b/update_attempter.h
@@ -87,7 +87,8 @@
   // UPDATED_NEED_REBOOT. Returns true on sucess, false otherwise.
   bool RebootIfNeeded();
 
-  // DownloadActionDelegate method
+  // DownloadActionDelegate methods
+  void SetDownloadStatus(bool active);
   void BytesReceived(uint64_t bytes_received, uint64_t total);
 
  private:
@@ -152,6 +153,10 @@
   // The process priority management timeout source.
   GSource* manage_priority_source_;
 
+  // Set to true if an update download is active (and BytesReceived
+  // will be called), set to false otherwise.
+  bool download_active_;
+
   // For status:
   UpdateStatus status_;
   double download_progress_;