[part 2] Make classes and structures in modules fast-allocated.

Source/modules/webaudio/RealtimeAnalyser.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 #include "platform/audio/FFTFrame.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class AudioBus;
 
 class RealtimeAnalyser final {
     WTF_MAKE_NONCOPYABLE(RealtimeAnalyser);
+    DISALLOW_ALLOCATION();
 public:
     RealtimeAnalyser();
 
     size_t fftSize() const { return m_fftSize; }
     bool setFftSize(size_t);
 
     unsigned frequencyBinCount() const { return m_fftSize / 2; }
 
     void setMinDecibels(double k) { m_minDecibels = k; }
     double minDecibels() const { return m_minDecibels; }
@@ skipping 38 matching lines @@
     double m_smoothingTimeConstant;
 
     // The range used when converting when using getByteFrequencyData().
     double m_minDecibels;
     double m_maxDecibels;
 };
 
 } // namespace blink
 
 #endif // RealtimeAnalyser_h