1 files changed, 2 insertions, 4 deletions
diff --git a/dom/media/GraphDriver.h b/dom/media/GraphDriver.h
index 411e175d3..bb4f2689b 100644
--- a/dom/media/GraphDriver.h
+++ b/dom/media/GraphDriver.h
@@ -210,10 +210,8 @@ protected:
   // Time of the end of this graph iteration. This must be accessed while having
   // the monitor.
   GraphTime mIterationEnd;
-  // The MediaStreamGraphImpl that owns this driver. This has a lifetime longer
-  // than the driver, and will never be null. Hence, it can be accesed without
-  // monitor.
-  MediaStreamGraphImpl* mGraphImpl;
+  // The MediaStreamGraphImpl associated with this driver.
+  const RefPtr<MediaStreamGraphImpl> mGraphImpl;
 
   // This enum specifies the wait state of the driver.
   enum WaitState {