Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webaudio/OscillatorNode.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 22 matching lines @@
 #include "wtf/RefPtr.h"
 #include "wtf/Threading.h"
 
 namespace WebCore {
 
 class AudioContext;
 class PeriodicWave;
 
 // OscillatorNode is an audio generator of periodic waveforms.
 
-class OscillatorNode : public AudioScheduledSourceNode {
+class OscillatorNode FINAL : public AudioScheduledSourceNode {
 public:
     // The waveform type.
     // These must be defined as in the .idl file.
     enum {
         SINE = 0,
         SQUARE = 1,
         SAWTOOTH = 2,
         TRIANGLE = 3,
         CUSTOM = 4
     };
 
     static PassRefPtr<OscillatorNode> create(AudioContext*, float sampleRate);
 
     virtual ~OscillatorNode();
 
     // AudioNode
-    virtual void process(size_t framesToProcess);
-    virtual void reset();
+    virtual void process(size_t framesToProcess) OVERRIDE;
+    virtual void reset() OVERRIDE;
 
     String type() const;
 
     bool setType(unsigned); // Returns true on success.
     void setType(const String&);
 
     AudioParam* frequency() { return m_frequency.get(); }
     AudioParam* detune() { return m_detune.get(); }
 
     void setPeriodicWave(PeriodicWave*);
@@ skipping 27 matching lines @@
     // Stores sample-accurate values calculated according to frequency and detune.
     AudioFloatArray m_phaseIncrements;
     AudioFloatArray m_detuneValues;
 
     RefPtr<PeriodicWave> m_periodicWave;
 };
 
 } // namespace WebCore
 
 #endif // OscillatorNode_h