Revert "Transition modules/** to use ExceptionState"

Source/modules/webaudio/DelayNode.h

Index: Source/modules/webaudio/DelayNode.h
diff --git a/Source/modules/webaudio/DelayNode.h b/Source/modules/webaudio/DelayNode.h
index 7eaa5e4b647abb4d6c13d822b905ccc8c13104de..839e1853f8ee4aad89b0f217260f062dec9333d0 100644
--- a/Source/modules/webaudio/DelayNode.h
+++ b/Source/modules/webaudio/DelayNode.h
@@ -25,6 +25,7 @@
 #ifndef DelayNode_h
 #define DelayNode_h
 
+#include "core/dom/ExceptionCode.h"
 #include "modules/webaudio/AudioBasicProcessorNode.h"
 #include "modules/webaudio/DelayProcessor.h"
 #include "wtf/PassRefPtr.h"
@@ -32,19 +33,18 @@
 namespace WebCore {
 
 class AudioParam;
-class ExceptionState;
 
 class DelayNode : public AudioBasicProcessorNode {
 public:
-    static PassRefPtr<DelayNode> create(AudioContext* context, float sampleRate, double maxDelayTime, ExceptionState& es)
+    static PassRefPtr<DelayNode> create(AudioContext* context, float sampleRate, double maxDelayTime, ExceptionCode& ec)
     {
-        return adoptRef(new DelayNode(context, sampleRate, maxDelayTime, es));
+        return adoptRef(new DelayNode(context, sampleRate, maxDelayTime, ec));      
     }
 
     AudioParam* delayTime();
 
 private:
-    DelayNode(AudioContext*, float sampleRate, double maxDelayTime, ExceptionState&);
+    DelayNode(AudioContext*, float sampleRate, double maxDelayTime, ExceptionCode&);
 
     DelayProcessor* delayProcessor() { return static_cast<DelayProcessor*>(processor()); }
 };