Replacing the OVERRIDE with override and FINAL with final

Source/platform/audio/MultiChannelResampler.cpp

 /*
  * 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
@@ skipping 23 matching lines @@
 
 #include "platform/audio/AudioBus.h"
 
 namespace blink {
 
 namespace {
 
 // ChannelProvider provides a single channel of audio data (one channel at a time) for each channel
 // of data provided to us in a multi-channel provider.
 
-class ChannelProvider FINAL : public AudioSourceProvider {
+class ChannelProvider final : public AudioSourceProvider {
 public:
     ChannelProvider(AudioSourceProvider* multiChannelProvider, unsigned numberOfChannels)
         : m_multiChannelProvider(multiChannelProvider)
         , m_numberOfChannels(numberOfChannels)
         , m_currentChannel(0)
         , m_framesToProcess(0)
     {
     }
 
     // provideInput() will be called once for each channel, starting with the first channel.
@@ skipping 59 matching lines @@
         // channels, since they all buffer in the same way and are processing the same number of frames.
         m_kernels[channelIndex]->process(&channelProvider,
                                          destination->channel(channelIndex)->mutableData(),
                                          framesToProcess);
     }
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)