Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webaudio/WaveShaperProcessor.h

Index: Source/modules/webaudio/WaveShaperProcessor.h
diff --git a/Source/modules/webaudio/WaveShaperProcessor.h b/Source/modules/webaudio/WaveShaperProcessor.h
index 79c826496ff4250b11daa5003b85aca59a165c3f..a9b72a5fb94a7b2fe679759b2d99a710df220540 100644
--- a/Source/modules/webaudio/WaveShaperProcessor.h
+++ b/Source/modules/webaudio/WaveShaperProcessor.h
@@ -36,7 +36,7 @@ namespace WebCore {
 
 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKernel objects to implement non-linear distortion effects.
 
-class WaveShaperProcessor : public AudioDSPKernelProcessor {
+class WaveShaperProcessor FINAL : public AudioDSPKernelProcessor {
 public:
     enum OverSampleType {
         OverSampleNone,
@@ -48,9 +48,9 @@ public:
 
     virtual ~WaveShaperProcessor();
 
-    virtual PassOwnPtr<AudioDSPKernel> createKernel();
+    virtual PassOwnPtr<AudioDSPKernel> createKernel() OVERRIDE;
 
-    virtual void process(const AudioBus* source, AudioBus* destination, size_t framesToProcess);
+    virtual void process(const AudioBus* source, AudioBus* destination, size_t framesToProcess) OVERRIDE;
 
     void setCurve(Float32Array*);
     Float32Array* curve() { return m_curve.get(); }