Move webaudio to oilpan

Source/modules/webaudio/PeriodicWave.h

 /*
  * Copyright (C) 2012 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 22 matching lines @@
 #include "platform/audio/AudioArray.h"
 #include "wtf/Float32Array.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class PeriodicWave : public ScriptWrappable, public RefCounted<PeriodicWave> {
+class PeriodicWave : public RefCountedWillBeGarbageCollectedFinalized<PeriodicWave>, public ScriptWrappable {
 public:
-    static PassRefPtr<PeriodicWave> createSine(float sampleRate);
-    static PassRefPtr<PeriodicWave> createSquare(float sampleRate);
-    static PassRefPtr<PeriodicWave> createSawtooth(float sampleRate);
-    static PassRefPtr<PeriodicWave> createTriangle(float sampleRate);
+    static PassRefPtrWillBeRawPtr<PeriodicWave> createSine(float sampleRate);
+    static PassRefPtrWillBeRawPtr<PeriodicWave> createSquare(float sampleRate);
+    static PassRefPtrWillBeRawPtr<PeriodicWave> createSawtooth(float sampleRate);
+    static PassRefPtrWillBeRawPtr<PeriodicWave> createTriangle(float sampleRate);
 
     // Creates an arbitrary periodic wave given the frequency components (Fourier coefficients).
-    static PassRefPtr<PeriodicWave> create(float sampleRate, Float32Array* real, Float32Array* imag);
+    static PassRefPtrWillBeRawPtr<PeriodicWave> create(float sampleRate, Float32Array* real, Float32Array* imag);
 
     // Returns pointers to the lower and higher wave data for the pitch range containing
     // the given fundamental frequency. These two tables are in adjacent "pitch" ranges
     // where the higher table will have the maximum number of partials which won't alias when played back
     // at this fundamental frequency. The lower wave is the next range containing fewer partials than the higher wave.
     // Interpolation between these two tables can be made according to tableInterpolationFactor.
     // Where values from 0 -> 1 interpolate between lower -> higher.
     void waveDataForFundamentalFrequency(float, float* &lowerWaveData, float* &higherWaveData, float& tableInterpolationFactor);
 
     // Returns the scalar multiplier to the oscillator frequency to calculate wave buffer phase increment.
     float rateScale() const { return m_rateScale; }
 
     unsigned periodicWaveSize() const { return m_periodicWaveSize; }
 
+    void trace(Visitor*) { }
+
 private:
     explicit PeriodicWave(float sampleRate);
 
     void generateBasicWaveform(int);
 
     float m_sampleRate;
     unsigned m_periodicWaveSize;
     unsigned m_numberOfRanges;
     float m_centsPerRange;
 
@@ skipping 10 matching lines @@
     unsigned numberOfPartialsForRange(unsigned rangeIndex) const;
 
     // Creates tables based on numberOfComponents Fourier coefficients.
     void createBandLimitedTables(const float* real, const float* imag, unsigned numberOfComponents);
     Vector<OwnPtr<AudioFloatArray> > m_bandLimitedTables;
 };
 
 } // namespace WebCore
 
 #endif // PeriodicWave_h