Revert of Remove unnecessary uses of GarbageCollectedFinalized<>.

third_party/WebKit/Source/modules/webaudio/AudioBuffer.h

 /*
  * Copyright (C) 2010 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/build_config.h"
 
 namespace blink {
 
 class AudioBus;
 class ExceptionState;
 
-class MODULES_EXPORT AudioBuffer final : public GarbageCollected<AudioBuffer>, public ScriptWrappable {
+class MODULES_EXPORT AudioBuffer final : public GarbageCollectedFinalized<AudioBuffer>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static AudioBuffer* create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate);
     static AudioBuffer* create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState&);
 
     // Returns 0 if data is not a valid audio file.
     static AudioBuffer* createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate);
 
     static AudioBuffer* createFromAudioBus(AudioBus*);
 
@@ skipping 12 matching lines @@
     void copyToChannel(DOMFloat32Array*, long channelNumber, unsigned long startInChannel, ExceptionState&);
 
     void zero();
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_channels);
     }
 
 private:
-    explicit AudioBuffer(AudioBus*);
-
     static DOMFloat32Array* createFloat32ArrayOrNull(size_t length);
 
+protected:
     AudioBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate);
+    explicit AudioBuffer(AudioBus*);
     bool createdSuccessfully(unsigned desiredNumberOfChannels) const;
 
     float m_sampleRate;
     size_t m_length;
 
     HeapVector<Member<DOMFloat32Array>> m_channels;
 };
 
 } // namespace blink
 
 #endif // AudioBuffer_h