Revert "Transition modules/** to use ExceptionState"

Source/modules/webaudio/WaveShaperNode.h

Index: Source/modules/webaudio/WaveShaperNode.h
diff --git a/Source/modules/webaudio/WaveShaperNode.h b/Source/modules/webaudio/WaveShaperNode.h
index 5564c38608e38fd6372b306fd4a47d01825bbbae..1140e394ed4a0745400aaf33fb669cace69806b5 100644
--- a/Source/modules/webaudio/WaveShaperNode.h
+++ b/Source/modules/webaudio/WaveShaperNode.h
@@ -31,9 +31,7 @@
 #include "wtf/Forward.h"
 
 namespace WebCore {
-
-class ExceptionState;
-
+    
 class WaveShaperNode : public AudioBasicProcessorNode {
 public:
     static PassRefPtr<WaveShaperNode> create(AudioContext* context)
@@ -45,7 +43,7 @@ public:
     void setCurve(Float32Array*);
     Float32Array* curve();
 
-    void setOversample(const String& , ExceptionState&);
+    void setOversample(const String& , ExceptionCode&);
     String oversample() const;
 
     double latency() const { return latencyTime(); }