Replacing the OVERRIDE with override and FINAL with final

Source/platform/audio/MultiChannelResampler.cpp

Index: Source/platform/audio/MultiChannelResampler.cpp
diff --git a/Source/platform/audio/MultiChannelResampler.cpp b/Source/platform/audio/MultiChannelResampler.cpp
index 354e9ee02abad235a29f7f15956168aa59c39590..683674ec679c8dc0a727ec93a240e48ac7eb5bf0 100644
--- a/Source/platform/audio/MultiChannelResampler.cpp
+++ b/Source/platform/audio/MultiChannelResampler.cpp
@@ -41,7 +41,7 @@ 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)