Oilpan: have media element prefinalizer handle all finalization.

Source/core/html/HTMLMediaElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 253 matching lines @@
 
     MediaController* controller() const;
     void setController(PassRefPtrWillBeRawPtr<MediaController>); // Resets the MediaGroup and sets the MediaController.
 
     void scheduleEvent(PassRefPtrWillBeRawPtr<Event>);
     void scheduleTimeupdateEvent(bool periodicEvent);
 
     // Returns the "effective media volume" value as specified in the HTML5 spec.
     double effectiveMediaVolume() const;
 
-#if ENABLE(OILPAN)
-    // Oilpan: finalization of the media element is observable from its
-    // attached MediaSource; it entering a closed state.
-    //
-    // Express that by having the MediaSource keep a weak reference
-    // to the media element and signal that it wants to be notified
-    // of destruction if it survives a GC, but the media element
-    // doesn't.
-    void setCloseMediaSourceWhenFinalizing();
-#endif
-
     // Predicates also used when dispatching wrapper creation (cf. [SpecialWrapFor] IDL attribute usage.)
     virtual bool isHTMLAudioElement() const { return false; }
     virtual bool isHTMLVideoElement() const { return false; }
 
 protected:
     HTMLMediaElement(const QualifiedName&, Document&);
     virtual ~HTMLMediaElement();
 #if ENABLE(OILPAN)
     void dispose();
 #endif
@@ skipping 255 matching lines @@
 
     bool m_completelyLoaded : 1;
     bool m_havePreparedToPlay : 1;
     bool m_delayingLoadForPreloadNone : 1;
 
     bool m_tracksAreReady : 1;
     bool m_haveVisibleTextTrack : 1;
     bool m_processingPreferenceChange : 1;
     bool m_remoteRoutesAvailable : 1;
     bool m_playingRemotely : 1;
-#if ENABLE(OILPAN)
     bool m_isFinalizing : 1;
-    bool m_closeMediaSourceWhenFinalizing : 1;
-#endif
     bool m_initialPlayWithoutUserGestures : 1;
     bool m_autoplayMediaCounted : 1;
 
     RefPtrWillBeMember<AudioTrackList> m_audioTracks;
     RefPtrWillBeMember<VideoTrackList> m_videoTracks;
     RefPtrWillBeMember<TextTrackList> m_textTracks;
     WillBeHeapVector<RefPtrWillBeMember<TextTrack>> m_textTracksWhenResourceSelectionBegan;
 
     OwnPtrWillBeMember<CueTimeline> m_cueTimeline;
 
@@ skipping 16 matching lines @@
 inline bool isHTMLMediaElement(const HTMLElement& element)
 {
     return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } // namespace blink
 
 #endif // HTMLMediaElement_h