Make Exception and Error objects ScriptWrappable.

Source/core/dom/DOMCoreException.h

Index: Source/core/dom/DOMCoreException.h
diff --git a/Source/core/dom/DOMCoreException.h b/Source/core/dom/DOMCoreException.h
index 64fd5ccbcff15ce776ba58c45e567fea062815dc..1a98c6e4b091d1d846d4e0eb29185743ca578fa0 100644
--- a/Source/core/dom/DOMCoreException.h
+++ b/Source/core/dom/DOMCoreException.h
@@ -29,11 +29,12 @@
 #ifndef DOMCoreException_h
 #define DOMCoreException_h
 
+#include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ExceptionBase.h"
 
 namespace WebCore {
 
-class DOMCoreException : public ExceptionBase {
+class DOMCoreException : public ExceptionBase, public ScriptWrappable {
 public:
     static PassRefPtr<DOMCoreException> create(const ExceptionCodeDescription& description)
     {
@@ -46,6 +47,7 @@ private:
     explicit DOMCoreException(const ExceptionCodeDescription& description)
         : ExceptionBase(description)
     {
+        ScriptWrappable::init(this);
     }
 };