Implement tail processing for AudioNodes

third_party/WebKit/Source/platform/audio/DynamicsCompressor.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 175 matching lines @@
 }
 
 void DynamicsCompressor::SetNumberOfChannels(unsigned number_of_channels) {
   source_channels_ = WrapArrayUnique(new const float*[number_of_channels]);
   destination_channels_ = WrapArrayUnique(new float*[number_of_channels]);
 
   compressor_.SetNumberOfChannels(number_of_channels);
   number_of_channels_ = number_of_channels;
 }
 
+double DynamicsCompressor::TailTime() const {
+  return compressor_.TailTime();
+}
+
 }  // namespace blink