Move the exception logic to the AudioNode creator

third_party/WebKit/Source/modules/webaudio/PannerNode.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 130 matching lines @@
     double m_cachedElevation;
     float m_cachedDistanceConeGain;
 
     // Synchronize process() with setting of the panning model, source's location information, listener, distance parameters and sound cones.
     mutable Mutex m_processLock;
 };
 
 class PannerNode final : public AudioNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PannerNode* create(AbstractAudioContext&, float sampleRate);
+    static PannerNode* create(AbstractAudioContext&, ExceptionState&);
     PannerHandler& pannerHandler() const;
 
     String panningModel() const;
     void setPanningModel(const String&);
     void setPosition(float x, float y, float z);
     void setOrientation(float x, float y, float z);
     void setVelocity(float x, float y, float z);
     String distanceModel() const;
     void setDistanceModel(const String&);
     double refDistance() const;
     void setRefDistance(double);
     double maxDistance() const;
     void setMaxDistance(double);
     double rolloffFactor() const;
     void setRolloffFactor(double);
     double coneInnerAngle() const;
     void setConeInnerAngle(double);
     double coneOuterAngle() const;
     void setConeOuterAngle(double);
     double coneOuterGain() const;
     void setConeOuterGain(double);
 
 private:
-    PannerNode(AbstractAudioContext&, float sampleRate);
+    PannerNode(AbstractAudioContext&);
 };
 
 } // namespace blink
 
 #endif // PannerNode_h