DynamicsCompressor.reduction is a float not an AudioParam

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 20 matching lines @@
 #include "modules/webaudio/AudioParam.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class AbstractAudioContext;
 class DynamicsCompressor;
 
 class MODULES_EXPORT DynamicsCompressorHandler final : public AudioHandler {
 public:
-    static PassRefPtr<DynamicsCompressorHandler> create(AudioNode&, float sampleRate, AudioParamHandler& threshold, AudioParamHandler& knee, AudioParamHandler& ratio, AudioParamHandler& reduction, AudioParamHandler& attack, AudioParamHandler& release);
+    static PassRefPtr<DynamicsCompressorHandler> create(
+        AudioNode&,
+        float sampleRate,
+        AudioParamHandler& threshold,
+        AudioParamHandler& knee,
+        AudioParamHandler& ratio,
+        AudioParamHandler& attack,
+        AudioParamHandler& release);
+
     ~DynamicsCompressorHandler();
 
     // AudioHandler
     void process(size_t framesToProcess) override;
     void initialize() override;
     void clearInternalStateWhenDisabled() override;
 
+    float reductionValue() const { return m_reduction; }
 private:
-    DynamicsCompressorHandler(AudioNode&, float sampleRate, AudioParamHandler& threshold, AudioParamHandler& knee, AudioParamHandler& ratio, AudioParamHandler& reduction, AudioParamHandler& attack, AudioParamHandler& release);
+    DynamicsCompressorHandler(
+        AudioNode&,
+        float sampleRate,
+        AudioParamHandler& threshold,
+        AudioParamHandler& knee,
+        AudioParamHandler& ratio,
+        AudioParamHandler& attack,
+        AudioParamHandler& release);
     double tailTime() const override;
     double latencyTime() const override;
 
     OwnPtr<DynamicsCompressor> m_dynamicsCompressor;
     RefPtr<AudioParamHandler> m_threshold;
     RefPtr<AudioParamHandler> m_knee;
     RefPtr<AudioParamHandler> m_ratio;
-    RefPtr<AudioParamHandler> m_reduction;
+    float m_reduction;
     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(AbstractAudioContext&, float sampleRate);
     DECLARE_VIRTUAL_TRACE();
 
     AudioParam* threshold() const;
     AudioParam* knee() const;
     AudioParam* ratio() const;
-    AudioParam* reduction() const;
+    float reduction() const;
     AudioParam* attack() const;
     AudioParam* release() const;
 
 private:
     DynamicsCompressorNode(AbstractAudioContext&, float sampleRate);
     DynamicsCompressorHandler& dynamicsCompressorHandler() const;
 
     Member<AudioParam> m_threshold;
     Member<AudioParam> m_knee;
     Member<AudioParam> m_ratio;
-    Member<AudioParam> m_reduction;
     Member<AudioParam> m_attack;
     Member<AudioParam> m_release;
 
     FRIEND_TEST_ALL_PREFIXES(DynamicsCompressorNodeTest, ProcessorLifetime);
 };
 
 } // namespace blink
 
 #endif // DynamicsCompressorNode_h