Move the exception logic to the AudioNode creator

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

 /*
  * Copyright (C) 2012, 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 82 matching lines @@
     AudioFloatArray m_detuneValues;
 
     // This Persistent doesn't make a reference cycle including the owner
     // OscillatorNode.
     Persistent<PeriodicWave> m_periodicWave;
 };
 
 class OscillatorNode final : public AudioScheduledSourceNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static OscillatorNode* create(AbstractAudioContext&, float sampleRate);
+    static OscillatorNode* create(AbstractAudioContext&, ExceptionState&);
     DECLARE_VIRTUAL_TRACE();
 
     String type() const;
     void setType(const String&, ExceptionState&);
     AudioParam* frequency();
     AudioParam* detune();
     void setPeriodicWave(PeriodicWave*);
 
 private:
-    OscillatorNode(AbstractAudioContext&, float sampleRate);
+    OscillatorNode(AbstractAudioContext&);
     OscillatorHandler& oscillatorHandler() const;
 
     Member<AudioParam> m_frequency;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
 #endif // OscillatorNode_h