Bug 1419363 - Switch to WeakPtr. r=jib

2017-12-01 10:52:18 -05:00
parent 2dc985ba83
commit cd521a3dbc
1 changed files with 4 additions and 1 deletions
--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -5237,11 +5237,14 @@ public:
  {
    NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");

+    if (!mElement) {
+      return;
+    }
    mElement->NotifyMediaStreamTracksAvailable(aStream);
  }

 private:
-  HTMLMediaElement* mElement;
+  WeakPtr<HTMLMediaElement> mElement;
 };

 class HTMLMediaElement::MediaStreamTrackListener :