[oilpan] The Node hierarchy should have correct accept method chains

Source/core/html/shadow/MediaControlElements.h

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Google 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.
@@ skipping 103 matching lines @@
     virtual bool willRespondToMouseMoveEvents() OVERRIDE { return true; }
 
     virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
 
 private:
     explicit MediaControlPanelMuteButtonElement(Handle<Document>, MediaControls*);
 
     virtual const AtomicString& shadowPseudoId() const OVERRIDE;
     virtual void defaultEventHandler(Event*) OVERRIDE;
 
-    MediaControls* m_controls;
+    Member<MediaControls> m_controls;
 };
 
 // ----------------------------
 
 class MediaControlVolumeSliderMuteButtonElement : public MediaControlMuteButtonElement {
 public:
     static Result<MediaControlVolumeSliderMuteButtonElement> create(Handle<Document>);
 
     virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
 
@@ skipping 86 matching lines @@
     virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
 
 private:
     MediaControlClosedCaptionsTrackListElement(Handle<Document>, MediaControls*);
 
     void rebuildTrackListMenu();
 
     virtual const AtomicString& shadowPseudoId() const OVERRIDE;
     virtual void defaultEventHandler(Event*) OVERRIDE;
 
-    typedef Vector<RefPtr<Element> > TrackMenuItems;
+    typedef Vector<Member<Element> > TrackMenuItems;
     TrackMenuItems m_menuItems;
+    // FIXME(oilpan): Implement a weak HashMap.
     typedef HashMap<RefPtr<Element>, RefPtr<TextTrack> > MenuItemToTrackMap;
     MenuItemToTrackMap m_menuToTrackMap;
-    MediaControls* m_controls;
+    Member<MediaControls> m_controls;
     bool m_trackListHasChanged;
 };
 
 // ----------------------------
 
 class MediaControlTimelineElement : public MediaControlInputElement {
 public:
     static Result<MediaControlTimelineElement> create(Handle<Document>, MediaControls*);
 
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
 
     void setPosition(double);
     void setDuration(double);
 
     virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
 
 private:
     explicit MediaControlTimelineElement(Handle<Document>, MediaControls*);
 
     virtual const AtomicString& shadowPseudoId() const OVERRIDE;
     virtual void defaultEventHandler(Event*) OVERRIDE;
 
-    MediaControls* m_controls;
+    Member<MediaControls> m_controls;
 };
 
 // ----------------------------
 
 class MediaControlFullscreenButtonElement : public MediaControlInputElement {
 public:
     static Result<MediaControlFullscreenButtonElement> create(Handle<Document>);
 
     virtual bool willRespondToMouseClickEvents() OVERRIDE { return true; }
 
@@ skipping 70 matching lines @@
     OwnPtr<TextTrackRepresentation> m_textTrackRepresentation;
 
     IntRect m_videoDisplaySize;
     float m_fontSize;
 };
 
 
 } // namespace WebCore
 
 #endif // MediaControlElements_h