Mojo C++ bindings: support sync methods - part 2

mojo/public/cpp/bindings/message.h

Index: mojo/public/cpp/bindings/message.h
diff --git a/mojo/public/cpp/bindings/message.h b/mojo/public/cpp/bindings/message.h
index f58b2e0ca0a2ce618f4f40e714bebf39a3c7aa11..9781a13ccac79d0e0d5897c45befddb2b992414d 100644
--- a/mojo/public/cpp/bindings/message.h
+++ b/mojo/public/cpp/bindings/message.h
@@ -122,6 +122,7 @@ class MessageReceiverWithResponder : public MessageReceiver {
   // |responder| and will delete it after calling |responder->Accept| or upon
   // its own destruction.
   //
+  // TODO(yzshen): consider changing |responder| to scoped_ptr<MessageReceiver>.
   virtual bool AcceptWithResponder(Message* message, MessageReceiver* responder)
       MOJO_WARN_UNUSED_RESULT = 0;
 };
@@ -154,6 +155,7 @@ class MessageReceiverWithResponderStatus : public MessageReceiver {
   // |responder| and will delete it after calling |responder->Accept| or upon
   // its own destruction.
   //
+  // TODO(yzshen): consider changing |responder| to scoped_ptr<MessageReceiver>.
   virtual bool AcceptWithResponder(Message* message,
                                    MessageReceiverWithStatus* responder)
       MOJO_WARN_UNUSED_RESULT = 0;