[oilpan] Figure out lifetime of remaining Node raw pointers (Part 2)

Source/core/html/track/TextTrackList.cpp

Index: Source/core/html/track/TextTrackList.cpp
diff --git a/Source/core/html/track/TextTrackList.cpp b/Source/core/html/track/TextTrackList.cpp
index a1733105d3606cc171c1290dafff3ed21064d7ab..5a7af5ce2e3b36e1d8265176ef31360568db1251 100644
--- a/Source/core/html/track/TextTrackList.cpp
+++ b/Source/core/html/track/TextTrackList.cpp
@@ -181,7 +181,7 @@ void TextTrackList::append(PassRefPtr<TextTrack> prpTrack)
     invalidateTrackIndexesAfterTrack(track.get());
 
     ASSERT(!track->mediaElement() || track->mediaElement() == m_owner);
-    track->setMediaElement(Handle<HTMLMediaElement>(m_owner));
+    track->setMediaElement(adoptRawResult(m_owner));
 
     scheduleAddTrackEvent(track.release());
 }