Oilpan: eagerly sweep some mediasource and mediastream objects.

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 86 matching lines @@
     virtual void resume() override;
     virtual void stop() override;
 
     // EventTarget interface
     virtual ExecutionContext* executionContext() const override;
     virtual const AtomicString& interfaceName() const override;
 
     // WebSourceBufferClient interface
     virtual void initializationSegmentReceived() override;
 
+    // Oilpan: eagerly release owned m_webSourceBuffer
+    EAGERLY_FINALIZE();
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SourceBuffer(PassOwnPtr<WebSourceBuffer>, MediaSource*, GenericEventQueue*);
 
     bool isRemoved() const;
     void scheduleEvent(const AtomicString& eventName);
 
     void appendBufferInternal(const unsigned char*, unsigned, ExceptionState&);
     void appendBufferAsyncPart();
@@ skipping 34 matching lines @@
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     AsyncMethodRunner<SourceBuffer> m_appendStreamAsyncPartRunner;
     Member<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif // SourceBuffer_h