Remove unused V8ThrowException::createDOMException() helper.

Source/bindings/v8/V8ThrowException.h

Index: Source/bindings/v8/V8ThrowException.h
diff --git a/Source/bindings/v8/V8ThrowException.h b/Source/bindings/v8/V8ThrowException.h
index 1b9f36ef22fd7e8f8a5baa1215b3f4f0794ec31b..7a4d20f0609859db232bdd3afc0d4e32fac6085d 100644
--- a/Source/bindings/v8/V8ThrowException.h
+++ b/Source/bindings/v8/V8ThrowException.h
@@ -41,10 +41,6 @@ enum V8ErrorType {
 class V8ThrowException {
 public:
 
-    static v8::Handle<v8::Value> createDOMException(int ec, v8::Isolate* isolate)
-    {
-        return createDOMException(ec, String(), v8::Handle<v8::Object>(), isolate);
-    }
     static v8::Handle<v8::Value> createDOMException(int ec, const String& message, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate)
     {
         return createDOMException(ec, message, String(), creationContext, isolate);