Implement tail processing for AudioNodes

third_party/WebKit/Source/modules/webaudio/AudioBasicProcessorHandler.cpp

 /*
  * 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 133 matching lines @@
     Initialize();
   }
 
   AudioHandler::CheckNumberOfChannelsForInput(input);
 }
 
 unsigned AudioBasicProcessorHandler::NumberOfChannels() {
   return Output(0).NumberOfChannels();
 }
 
+bool AudioBasicProcessorHandler::RequiresTailProcessing() const {
+  return processor_->RequiresTailProcessing();
+}
+
 double AudioBasicProcessorHandler::TailTime() const {
   return processor_->TailTime();
 }
 
 double AudioBasicProcessorHandler::LatencyTime() const {
   return processor_->LatencyTime();
 }
 
 }  // namespace blink