Revert "Transition modules/** to use ExceptionState"

Source/modules/mediastream/RTCSessionDescription.h

Index: Source/modules/mediastream/RTCSessionDescription.h
diff --git a/Source/modules/mediastream/RTCSessionDescription.h b/Source/modules/mediastream/RTCSessionDescription.h
index cffeb7e52de113fb28e66f78adbfab394cecbb83..24d5799f814085cbdc9bab8705a47a9ba46579ad 100644
--- a/Source/modules/mediastream/RTCSessionDescription.h
+++ b/Source/modules/mediastream/RTCSessionDescription.h
@@ -32,6 +32,7 @@
 #define RTCSessionDescription_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "core/dom/ExceptionCode.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
@@ -40,19 +41,20 @@
 namespace WebCore {
 
 class Dictionary;
-class ExceptionState;
+
+typedef int ExceptionCode;
 
 class RTCSessionDescription : public RefCounted<RTCSessionDescription>, public ScriptWrappable {
 public:
-    static PassRefPtr<RTCSessionDescription> create(const Dictionary&, ExceptionState&);
+    static PassRefPtr<RTCSessionDescription> create(const Dictionary&, ExceptionCode&);
     static PassRefPtr<RTCSessionDescription> create(WebKit::WebRTCSessionDescription);
     virtual ~RTCSessionDescription();
 
     String type();
-    void setType(const String&, ExceptionState&);
+    void setType(const String&, ExceptionCode&);
 
     String sdp();
-    void setSdp(const String&, ExceptionState&);
+    void setSdp(const String&, ExceptionCode&);
 
     WebKit::WebRTCSessionDescription webSessionDescription();