Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webaudio/WaveShaperDSPKernel.h

 /*
  * Copyright (C) 2011, 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 20 matching lines @@
 #include "platform/audio/UpSampler.h"
 #include "modules/webaudio/WaveShaperProcessor.h"
 #include "wtf/OwnPtr.h"
 
 namespace WebCore {
 
 class WaveShaperProcessor;
 
 // WaveShaperDSPKernel is an AudioDSPKernel and is responsible for non-linear distortion on one channel.
 
-class WaveShaperDSPKernel : public AudioDSPKernel {
+class WaveShaperDSPKernel FINAL : public AudioDSPKernel {
 public:
     explicit WaveShaperDSPKernel(WaveShaperProcessor*);
 
     // AudioDSPKernel
-    virtual void process(const float* source, float* dest, size_t framesToProcess);
-    virtual void reset();
+    virtual void process(const float* source, float* dest, size_t framesToProcess) OVERRIDE;
+    virtual void reset() OVERRIDE;
     virtual double tailTime() const OVERRIDE { return 0; }
     virtual double latencyTime() const OVERRIDE;
 
     // Oversampling requires more resources, so let's only allocate them if needed.
     void lazyInitializeOversampling();
 
 protected:
     // Apply the shaping curve.
     void processCurve(const float* source, float* dest, size_t framesToProcess);
 
     // Use up-sampling, process at the higher sample-rate, then down-sample.
     void processCurve2x(const float* source, float* dest, size_t framesToProcess);
     void processCurve4x(const float* source, float* dest, size_t framesToProcess);
 
     WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); }
 
     // Oversampling.
     OwnPtr<AudioFloatArray> m_tempBuffer;
     OwnPtr<AudioFloatArray> m_tempBuffer2;
     OwnPtr<UpSampler> m_upSampler;
     OwnPtr<DownSampler> m_downSampler;
     OwnPtr<UpSampler> m_upSampler2;
     OwnPtr<DownSampler> m_downSampler2;
 };
 
 } // namespace WebCore
 
 #endif // WaveShaperDSPKernel_h