Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webaudio/AudioBufferSourceNode.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 24 matching lines @@
 #include "wtf/RefPtr.h"
 #include "wtf/Threading.h"
 
 namespace WebCore {
 
 class AudioContext;
 
 // AudioBufferSourceNode is an AudioNode representing an audio source from an in-memory audio asset represented by an AudioBuffer.
 // It generally will be used for short sounds which require a high degree of scheduling flexibility (can playback in rhythmically perfect ways).
 
-class AudioBufferSourceNode : public AudioScheduledSourceNode {
+class AudioBufferSourceNode FINAL : public AudioScheduledSourceNode {
 public:
     static PassRefPtr<AudioBufferSourceNode> create(AudioContext*, float sampleRate);
 
     virtual ~AudioBufferSourceNode();
 
     // AudioNode
-    virtual void process(size_t framesToProcess);
-    virtual void reset();
+    virtual void process(size_t framesToProcess) OVERRIDE;
+    virtual void reset() OVERRIDE;
 
     // setBuffer() is called on the main thread. This is the buffer we use for playback.
     void setBuffer(AudioBuffer*, ExceptionState&);
     AudioBuffer* buffer() { return m_buffer.get(); }
 
     // numberOfChannels() returns the number of output channels.  This value equals the number of channels from the buffer.
     // If a new buffer is set with a different number of channels, then this value will dynamically change.
     unsigned numberOfChannels();
 
     // Play-state
@@ skipping 17 matching lines @@
     void setLoopEnd(double loopEnd) { m_loopEnd = loopEnd; }
 
     AudioParam* gain() { return m_gain.get(); }
     AudioParam* playbackRate() { return m_playbackRate.get(); }
 
     // If a panner node is set, then we can incorporate doppler shift into the playback pitch rate.
     void setPannerNode(PannerNode*);
     void clearPannerNode();
 
     // If we are no longer playing, propogate silence ahead to downstream nodes.
-    virtual bool propagatesSilence() const;
+    virtual bool propagatesSilence() const OVERRIDE;
 
     // AudioScheduledSourceNode
     virtual void finish() OVERRIDE;
 
 private:
     AudioBufferSourceNode(AudioContext*, float sampleRate);
 
     void startPlaying(bool isGrain, double when, double grainOffset, double grainDuration, ExceptionState&);
 
     // Returns true on success.
@@ skipping 40 matching lines @@
     // the pitch rate. We manually manage ref-counting because we want to use RefTypeConnection.
     PannerNode* m_pannerNode;
 
     // This synchronizes process() with setBuffer() which can cause dynamic channel count changes.
     mutable Mutex m_processLock;
 };
 
 } // namespace WebCore
 
 #endif // AudioBufferSourceNode_h