Remove dead code related to Web Audio doppler effects

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

 /*
  * 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 61 matching lines @@
         m_isLooping = looping;
         m_didSetLooping = m_didSetLooping || looping;
     }
 
     // Loop times in seconds.
     double loopStart() const { return m_loopStart; }
     double loopEnd() const { return m_loopEnd; }
     void setLoopStart(double loopStart) { m_loopStart = loopStart; }
     void setLoopEnd(double loopEnd) { m_loopEnd = loopEnd; }
 
-    // If a panner node is set, then we can incorporate doppler shift into the playback pitch rate.
-    void setPannerNode(PannerHandler*);
-    void clearPannerNode();
-
     // If we are no longer playing, propogate silence ahead to downstream nodes.
     bool propagatesSilence() const override;
 
-    // AudioScheduledSourceNode
-    void finish() override;
-
     void handleStoppableSourceNode();
 
 private:
     AudioBufferSourceHandler(AudioNode&, float sampleRate, AudioParamHandler& playbackRate, AudioParamHandler& detune);
     void startSource(double when, double grainOffset, double grainDuration, bool isDurationGiven, ExceptionState&);
 
     // Returns true on success.
     bool renderFromBuffer(AudioBus*, unsigned destinationFrameOffset, size_t numberOfFrames);
 
     // Render silence starting from "index" frame in AudioBus.
@@ skipping 28 matching lines @@
     // Since it's floating-point, it has sub-sample accuracy.
     double m_virtualReadIndex;
 
     // Granular playback
     bool m_isGrain;
     double m_grainOffset; // in seconds
     double m_grainDuration; // in seconds
     // True if grainDuration is given explicitly (via 3 arg start method).
     bool m_isDurationGiven;
 
-    // Compute playback rate (k-rate) by incorporating the sample rate conversion
-    // factor, the doppler shift from the associated panner node, and the value
-    // of playbackRate and detune AudioParams.
+    // Compute playback rate (k-rate) by incorporating the sample rate
+    // conversion factor, and the value of playbackRate and detune AudioParams.
     double computePlaybackRate();
 
-    // We optionally keep track of a panner node which has a doppler shift that
-    // is incorporated into the pitch rate.
-    // This RefPtr is connection reference. We must call AudioHandler::
-    // makeConnection() after ref(), and call AudioHandler::breakConnection()
-    // before deref().
-    // TODO(tkent): This is always null because setPannerNode is never
-    // called. If we revive setPannerNode, this should be a raw pointer and
-    // AudioBufferSourceNode should have Member<PannerNode>.
-    RefPtr<PannerHandler> m_pannerNode;
-
-    // The minimum playbackRate value ever used for this source.  This includes any adjustments
-    // caused by doppler too.
+    // The minimum playbackRate value ever used for this source.
     double m_minPlaybackRate;
 };
 
 class AudioBufferSourceNode final : public AudioScheduledSourceNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static AudioBufferSourceNode* create(AbstractAudioContext&, float sampleRate);
     DECLARE_VIRTUAL_TRACE();
     AudioBufferSourceHandler& audioBufferSourceHandler() const;
 
@@ skipping 16 matching lines @@
 private:
     AudioBufferSourceNode(AbstractAudioContext&, float sampleRate);
 
     Member<AudioParam> m_playbackRate;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
 #endif // AudioBufferSourceNode_h