Implement tail processing for AudioNodes

third_party/WebKit/Source/modules/webaudio/DynamicsCompressorNode.h

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
       AudioParamHandler& ratio,
       AudioParamHandler& attack,
       AudioParamHandler& release);
 
   ~DynamicsCompressorHandler();
 
   // AudioHandler
   void Process(size_t frames_to_process) override;
   void ProcessOnlyAudioParams(size_t frames_to_process) override;
   void Initialize() override;
-  void ClearInternalStateWhenDisabled() override;
 
   float ReductionValue() const { return reduction_; }
 
  private:
   DynamicsCompressorHandler(AudioNode&,
                             float sample_rate,
                             AudioParamHandler& threshold,
                             AudioParamHandler& knee,
                             AudioParamHandler& ratio,
                             AudioParamHandler& attack,
                             AudioParamHandler& release);
+  bool RequiresTailProcessing() const override;
   double TailTime() const override;
   double LatencyTime() const override;
 
   std::unique_ptr<DynamicsCompressor> dynamics_compressor_;
   RefPtr<AudioParamHandler> threshold_;
   RefPtr<AudioParamHandler> knee_;
   RefPtr<AudioParamHandler> ratio_;
   float reduction_;
   RefPtr<AudioParamHandler> attack_;
   RefPtr<AudioParamHandler> release_;
@@ skipping 27 matching lines @@
   Member<AudioParam> ratio_;
   Member<AudioParam> attack_;
   Member<AudioParam> release_;
 
   FRIEND_TEST_ALL_PREFIXES(DynamicsCompressorNodeTest, ProcessorLifetime);
 };
 
 }  // namespace blink
 
 #endif  // DynamicsCompressorNode_h