Add constructors for WebAudio nodes

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 19 matching lines @@
 #include "modules/webaudio/AudioScheduledSourceNode.h"
 #include "modules/webaudio/PannerNode.h"
 #include "platform/audio/AudioBus.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Threading.h"
 #include <memory>
 
 namespace blink {
 
+class AudioBufferSourceOptions;
 class BaseAudioContext;
 
 // AudioBufferSourceNode is an AudioNode representing an audio source from an in-memory audio asset represented by an AudioBuffer.
 // It generally will be used for short sounds which require a high degree of scheduling flexibility (can playback in rhythmically perfect ways).
 
 class AudioBufferSourceHandler final : public AudioScheduledSourceHandler {
 public:
     static PassRefPtr<AudioBufferSourceHandler> create(AudioNode&, float sampleRate, AudioParamHandler& playbackRate, AudioParamHandler& detune);
     ~AudioBufferSourceHandler() override;
 
@@ skipping 85 matching lines @@
     double computePlaybackRate();
 
     // The minimum playbackRate value ever used for this source.
     double m_minPlaybackRate;
 };
 
 class AudioBufferSourceNode final : public AudioScheduledSourceNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static AudioBufferSourceNode* create(BaseAudioContext&, ExceptionState&);
+    static AudioBufferSourceNode* create(BaseAudioContext*, AudioBufferSourceOptions&, ExceptionState&);
     DECLARE_VIRTUAL_TRACE();
     AudioBufferSourceHandler& audioBufferSourceHandler() const;
 
     AudioBuffer* buffer() const;
     void setBuffer(AudioBuffer*, ExceptionState&);
     AudioParam* playbackRate() const;
     AudioParam* detune() const;
     bool loop() const;
     void setLoop(bool);
     double loopStart() const;
     void setLoopStart(double);
     double loopEnd() const;
     void setLoopEnd(double);
 
     void start(ExceptionState&);
     void start(double when, ExceptionState&);
     void start(double when, double grainOffset, ExceptionState&);
     void start(double when, double grainOffset, double grainDuration, ExceptionState&);
 
 private:
     AudioBufferSourceNode(BaseAudioContext&);
 
     Member<AudioParam> m_playbackRate;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
 #endif // AudioBufferSourceNode_h