Make Exception and Error objects ScriptWrappable.

Source/core/svg/SVGException.h

Index: Source/core/svg/SVGException.h
diff --git a/Source/core/svg/SVGException.h b/Source/core/svg/SVGException.h
index 26a33e6f1f528c8a0cd7f68594036e8172f491b3..86169e65ad7c5ba1520ed6b609cb017cad7f8f49 100644
--- a/Source/core/svg/SVGException.h
+++ b/Source/core/svg/SVGException.h
@@ -21,11 +21,12 @@
 #ifndef SVGException_h
 #define SVGException_h
 
+#include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ExceptionBase.h"
 
 namespace WebCore {
 
-class SVGException : public ExceptionBase {
+class SVGException : public ExceptionBase, public ScriptWrappable {
 public:
     static PassRefPtr<SVGException> create(const ExceptionCodeDescription& description)
     {
@@ -47,6 +48,7 @@ private:
     SVGException(const ExceptionCodeDescription& description)
         : ExceptionBase(description)
     {
+        ScriptWrappable::init(this);
     }
 };