Fix virtual/override/final usage in Source/modules/.

Source/modules/webaudio/AudioBasicProcessorHandler.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 21 matching lines @@
 namespace blink {
 
 class AudioNodeInput;
 class AudioProcessor;
 
 // AudioBasicProcessorHandler is an AudioHandler with one input and one output
 // where the input and output have the same number of channels.
 class MODULES_EXPORT AudioBasicProcessorHandler : public AudioHandler {
 public:
     static PassRefPtr<AudioBasicProcessorHandler> create(NodeType, AudioNode&, float sampleRate, PassOwnPtr<AudioProcessor>);
-    virtual ~AudioBasicProcessorHandler();
+    ~AudioBasicProcessorHandler() override;
 
     // AudioHandler
-    virtual void process(size_t framesToProcess) override final;
-    virtual void pullInputs(size_t framesToProcess) override final;
-    virtual void initialize() override final;
-    virtual void uninitialize() override final;
+    void process(size_t framesToProcess) final;
+    void pullInputs(size_t framesToProcess) final;
+    void initialize() final;
+    void uninitialize() final;
 
     // Called in the main thread when the number of channels for the input may have changed.
-    virtual void checkNumberOfChannelsForInput(AudioNodeInput*) override final;
+    void checkNumberOfChannelsForInput(AudioNodeInput*) final;
 
     // Returns the number of channels for both the input and the output.
     unsigned numberOfChannels();
     AudioProcessor* processor() { return m_processor.get(); }
 
 private:
     AudioBasicProcessorHandler(NodeType, AudioNode&, float sampleRate, PassOwnPtr<AudioProcessor>);
-    virtual double tailTime() const override final;
-    virtual double latencyTime() const override final;
+    double tailTime() const final;
+    double latencyTime() const final;
 
     OwnPtr<AudioProcessor> m_processor;
 };
 
 } // namespace blink
 
 #endif // AudioBasicProcessorHandler_h