Mojo: Report bindings validation errors via MojoNotifyBadMessage

mojo/public/cpp/bindings/no_interface.h

Index: mojo/public/cpp/bindings/no_interface.h
diff --git a/mojo/public/cpp/bindings/no_interface.h b/mojo/public/cpp/bindings/no_interface.h
index d8915cdf02193393b86701d209c874dd6239c729..0f81799b2e9e3303c1080a78e11c3e1cf723614e 100644
--- a/mojo/public/cpp/bindings/no_interface.h
+++ b/mojo/public/cpp/bindings/no_interface.h
@@ -37,9 +37,9 @@ class NoInterfaceStub : public MessageReceiverWithResponder {
   NoInterfaceStub() {}
   void set_sink(NoInterface* sink) {}
   NoInterface* sink() { return nullptr; }
-  bool Accept(Message* message) override;
-  bool AcceptWithResponder(Message* message,
-                           MessageReceiver* responder) override;
+  Result Accept(Message* message) override;
+  Result AcceptWithResponder(Message* message,
+                             MessageReceiver* responder) override;
 };
 
 // AnyInterface is for use in cases where any interface would do (e.g., see the