EventHandler getters return RefPtr<EventListener> (not v8::Handle<v8::Value>)

Source/bindings/scripts/code_generator_v8.pm

Index: Source/bindings/scripts/code_generator_v8.pm
diff --git a/Source/bindings/scripts/code_generator_v8.pm b/Source/bindings/scripts/code_generator_v8.pm
index 5c4a4e4a5acc3176d3432509cec33691bb9ae698..2d504ed9f139d303908b49e2b52fcb17d0668218 100644
--- a/Source/bindings/scripts/code_generator_v8.pm
+++ b/Source/bindings/scripts/code_generator_v8.pm
@@ -1729,8 +1729,8 @@ END
             $functionName = "imp->${functionName}";
         }
         push(@arguments, "isolatedWorldForIsolate(info.GetIsolate())");
-        $code .= "    EventListener* jsValue = ${functionName}(" . join(", ", @arguments) . ");\n";
-        $code .= "    v8SetReturnValue(info, jsValue ? v8::Handle<v8::Value>(V8AbstractEventListener::cast(jsValue)->getListenerObject(imp->executionContext())) : v8::Handle<v8::Value>(v8::Null(info.GetIsolate())));\n";
+        $code .= "    RefPtr<EventListener> listener = ${functionName}(" . join(", ", @arguments) . ");\n";
+        $code .= "    v8SetReturnValue(info, listener);\n";
     } else {
         my $nativeValue = NativeToJSValue($attribute->type, $attribute->extendedAttributes, $expression, "    ", "", "info.GetIsolate()", "info", "imp", $forMainWorldSuffix, "return");
         $code .= "${nativeValue}\n";