Oilpan: Replace EAGERLY_FINALIZE in EventTarget's hierarchy with pre-finalizers

third_party/WebKit/Source/modules/mediasource/SourceBuffer.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
 
 class SourceBuffer final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>
     , public ActiveScriptWrappable
     , public ActiveDOMObject
     , public FileReaderLoaderClient
     , public WebSourceBufferClient {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(SourceBuffer);
     USING_GARBAGE_COLLECTED_MIXIN(SourceBuffer);
     DEFINE_WRAPPERTYPEINFO();
+    USING_PRE_FINALIZER(SourceBuffer, dispose);
 public:
     static SourceBuffer* create(PassOwnPtr<WebSourceBuffer>, MediaSource*, GenericEventQueue*);
     static const AtomicString& segmentsKeyword();
     static const AtomicString& sequenceKeyword();
 
     ~SourceBuffer() override;
 
     // SourceBuffer.idl methods
     const AtomicString& mode() const { return m_mode; }
     void setMode(const AtomicString&, ExceptionState&);
@@ skipping 28 matching lines @@
     void resume() override;
     void stop() override;
 
     // EventTarget interface
     ExecutionContext* getExecutionContext() const override;
     const AtomicString& interfaceName() const override;
 
     // WebSourceBufferClient interface
     std::vector<WebMediaPlayer::TrackId> initializationSegmentReceived(const std::vector<MediaTrackInfo>&) override;
 
-    // Oilpan: eagerly release owned m_webSourceBuffer
-    EAGERLY_FINALIZE();
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SourceBuffer(PassOwnPtr<WebSourceBuffer>, MediaSource*, GenericEventQueue*);
+    void dispose();
 
     bool isRemoved() const;
     void scheduleEvent(const AtomicString& eventName);
 
     bool prepareAppend(size_t newDataSize, ExceptionState&);
     bool evictCodedFrames(size_t newDataSize);
     void appendBufferInternal(const unsigned char*, unsigned, ExceptionState&);
     void appendBufferAsyncPart();
     void appendError(bool decodeError);
 
@@ skipping 35 matching lines @@
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     Member<AsyncMethodRunner<SourceBuffer>> m_appendStreamAsyncPartRunner;
     Member<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif // SourceBuffer_h