Keep auxilliary media objects on the heap always.

Source/core/html/MediaError.h

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MediaError_h
 #define MediaError_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
-class CORE_EXPORT MediaError final : public RefCountedWillBeGarbageCollectedFinalized<MediaError>, public ScriptWrappable {
+class CORE_EXPORT MediaError final : public GarbageCollected<MediaError>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum Code {
         MEDIA_ERR_ABORTED = 1,
         MEDIA_ERR_NETWORK,
         MEDIA_ERR_DECODE,
         MEDIA_ERR_SRC_NOT_SUPPORTED,
     };
 
-    static PassRefPtrWillBeRawPtr<MediaError> create(Code code)
+    static MediaError* create(Code code)
     {
-        return adoptRefWillBeNoop(new MediaError(code));
+        return new MediaError(code);
     }
 
     Code code() const { return m_code; }
 
     DEFINE_INLINE_TRACE() { }
 
 private:
     MediaError(Code code) : m_code(code) { }
 
     Code m_code;
 };
 
 } // namespace blink
 
 #endif // MediaError_h