Add DecodeIntoWithSpecifiedVersionKind() to Decoder interface.

The function validate/default the body with the passed in apiVersion and Kind.
It's called in createHandler and UpdateResource

pkg/api/meta/restmapper_test.go

@@ -36,6 +36,10 @@ func (fakeCodec) DecodeInto([]byte, runtime.Object) error {
 	return nil
 }
 
+func (fakeCodec) DecodeIntoWithSpecifiedVersionKind([]byte, runtime.Object, string, string) error {
+	return nil
+}
+
 type fakeConvertor struct{}
 
 func (fakeConvertor) Convert(in, out interface{}) error {