Revert "Transition modules/** to use ExceptionState"

Source/modules/mediastream/RTCDataChannel.h

Index: Source/modules/mediastream/RTCDataChannel.h
diff --git a/Source/modules/mediastream/RTCDataChannel.h b/Source/modules/mediastream/RTCDataChannel.h
index fa32551b89504cb898e23010174cc45d71880c04..1559d2cc7c3febbdaf187948b2e3da4bc4a6b4fe 100644
--- a/Source/modules/mediastream/RTCDataChannel.h
+++ b/Source/modules/mediastream/RTCDataChannel.h
@@ -38,14 +38,13 @@ struct WebRTCDataChannelInit;
 namespace WebCore {
 
 class Blob;
-class ExceptionState;
 class RTCDataChannelHandler;
 class RTCPeerConnectionHandler;
 
 class RTCDataChannel : public RefCounted<RTCDataChannel>, public ScriptWrappable, public EventTarget, public RTCDataChannelHandlerClient {
 public:
     static PassRefPtr<RTCDataChannel> create(ScriptExecutionContext*, PassOwnPtr<RTCDataChannelHandler>);
-    static PassRefPtr<RTCDataChannel> create(ScriptExecutionContext*, RTCPeerConnectionHandler*, const String& label, const WebKit::WebRTCDataChannelInit&, ExceptionState&);
+    static PassRefPtr<RTCDataChannel> create(ScriptExecutionContext*, RTCPeerConnectionHandler*, const String& label, const WebKit::WebRTCDataChannelInit&, ExceptionCode&);
     ~RTCDataChannel();
 
     String label() const;
@@ -54,12 +53,12 @@ public:
     unsigned long bufferedAmount() const;
 
     String binaryType() const;
-    void setBinaryType(const String&, ExceptionState&);
+    void setBinaryType(const String&, ExceptionCode&);
 
-    void send(const String&, ExceptionState&);
-    void send(PassRefPtr<ArrayBuffer>, ExceptionState&);
-    void send(PassRefPtr<ArrayBufferView>, ExceptionState&);
-    void send(PassRefPtr<Blob>, ExceptionState&);
+    void send(const String&, ExceptionCode&);
+    void send(PassRefPtr<ArrayBuffer>, ExceptionCode&);
+    void send(PassRefPtr<ArrayBufferView>, ExceptionCode&);
+    void send(PassRefPtr<Blob>, ExceptionCode&);
 
     void close();