Implement tail processing for AudioNodes

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef StereoPannerNode_h
 #define StereoPannerNode_h
 
 #include "base/gtest_prod_util.h"
 #include "modules/webaudio/AudioNode.h"
 #include "modules/webaudio/AudioParam.h"
@@ skipping 15 matching lines @@
                                                 AudioParamHandler& pan);
   ~StereoPannerHandler() override;
 
   void Process(size_t frames_to_process) override;
   void ProcessOnlyAudioParams(size_t frames_to_process) override;
   void Initialize() override;
 
   void SetChannelCount(unsigned long, ExceptionState&) final;
   void SetChannelCountMode(const String&, ExceptionState&) final;
 
-  // AudioNode
   double TailTime() const override { return 0; }
   double LatencyTime() const override { return 0; }
+  bool RequiresTailProcessing() const override { return false; }
 
  private:
   StereoPannerHandler(AudioNode&, float sample_rate, AudioParamHandler& pan);
 
   std::unique_ptr<StereoPanner> stereo_panner_;
   RefPtr<AudioParamHandler> pan_;
 
   AudioFloatArray sample_accurate_pan_values_;
 
   FRIEND_TEST_ALL_PREFIXES(StereoPannerNodeTest, StereoPannerLifetime);
@@ skipping 13 matching lines @@
 
  private:
   StereoPannerNode(BaseAudioContext&);
 
   Member<AudioParam> pan_;
 };
 
 }  // namespace blink
 
 #endif  // StereoPannerNode_h