Remove various Heap* types.

sky/engine/core/html/HTMLMediaElement.cpp

Index: sky/engine/core/html/HTMLMediaElement.cpp
diff --git a/sky/engine/core/html/HTMLMediaElement.cpp b/sky/engine/core/html/HTMLMediaElement.cpp
index 7f1e1d9175dfe2346e7560ecdf5c97d477f09132..4b613205ea5f9ea14280ed155e645fef2e02627d 100644
--- a/sky/engine/core/html/HTMLMediaElement.cpp
+++ b/sky/engine/core/html/HTMLMediaElement.cpp
@@ -2424,16 +2424,4 @@ void HTMLMediaElement::defaultEventHandler(Event* event)
     HTMLElement::defaultEventHandler(event);
 }
 
-void HTMLMediaElement::trace(Visitor* visitor)
-{
-    visitor->trace(m_playedTimeRanges);
-    visitor->trace(m_asyncEventQueue);
-    visitor->trace(m_error);
-    visitor->trace(m_currentSourceNode);
-    visitor->trace(m_nextChildNodeToConsider);
-    visitor->trace(m_mediaSource);
-    Supplementable<HTMLMediaElement>::trace(visitor);
-    HTMLElement::trace(visitor);
-}
-
 }