Add constructors for WebAudio nodes

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 17 matching lines @@
 #include "base/gtest_prod_util.h"
 #include "modules/ModulesExport.h"
 #include "modules/webaudio/AudioNode.h"
 #include "modules/webaudio/AudioParam.h"
 #include <memory>
 
 namespace blink {
 
 class BaseAudioContext;
 class DynamicsCompressor;
+class DynamicsCompressorOptions;
 
 class MODULES_EXPORT DynamicsCompressorHandler final : public AudioHandler {
 public:
     static PassRefPtr<DynamicsCompressorHandler> create(
         AudioNode&,
         float sampleRate,
         AudioParamHandler& threshold,
         AudioParamHandler& knee,
         AudioParamHandler& ratio,
         AudioParamHandler& attack,
@@ skipping 27 matching lines @@
     RefPtr<AudioParamHandler> m_attack;
     RefPtr<AudioParamHandler> m_release;
 
     FRIEND_TEST_ALL_PREFIXES(DynamicsCompressorNodeTest, ProcessorLifetime);
 };
 
 class MODULES_EXPORT DynamicsCompressorNode final : public AudioNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static DynamicsCompressorNode* create(BaseAudioContext&, ExceptionState&);
+    static DynamicsCompressorNode* create(BaseAudioContext*, const DynamicsCompressorOptions&, ExceptionState&);
     DECLARE_VIRTUAL_TRACE();
 
     AudioParam* threshold() const;
     AudioParam* knee() const;
     AudioParam* ratio() const;
     float reduction() const;
     AudioParam* attack() const;
     AudioParam* release() const;
 
 private:
     DynamicsCompressorNode(BaseAudioContext&);
     DynamicsCompressorHandler& dynamicsCompressorHandler() const;
 
     Member<AudioParam> m_threshold;
     Member<AudioParam> m_knee;
     Member<AudioParam> m_ratio;
     Member<AudioParam> m_attack;
     Member<AudioParam> m_release;
 
     FRIEND_TEST_ALL_PREFIXES(DynamicsCompressorNodeTest, ProcessorLifetime);
 };
 
 } // namespace blink
 
 #endif // DynamicsCompressorNode_h