Mojo: Report bindings validation errors via MojoNotifyBadMessage

mojo/public/cpp/bindings/tests/validation_unittest.cc

Index: mojo/public/cpp/bindings/tests/validation_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/validation_unittest.cc b/mojo/public/cpp/bindings/tests/validation_unittest.cc
index d8993bf67a525363583129e9237774101bf5e051..3af91c647208ddcc1db66a5fea34acc963b17b19 100644
--- a/mojo/public/cpp/bindings/tests/validation_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/validation_unittest.cc
@@ -176,7 +176,8 @@ void RunValidationTests(const std::string& prefix,
     base::RunLoop run_loop;
     mojo::internal::ValidationErrorObserverForTesting observer(
         run_loop.QuitClosure());
-    ignore_result(test_message_receiver->Accept(&message));
+    Error error;
+    ignore_result(test_message_receiver->Accept(&message, &error));
     if (expected != "PASS")  // Observer only gets called on errors.
       run_loop.Run();
     if (observer.last_error() == mojo::internal::VALIDATION_ERROR_NONE)
@@ -190,7 +191,7 @@ void RunValidationTests(const std::string& prefix,
 
 class DummyMessageReceiver : public MessageReceiver {
  public:
-  bool Accept(Message* message) override {
+  bool Accept(Message* message, Error* error) override {
     return true;  // Any message is OK.
   }
 };
@@ -245,8 +246,8 @@ class ValidationIntegrationTest : public ValidationTest {
     }
     ~TestMessageReceiver() override {}
 
-    bool Accept(Message* message) override {
-      return connector_.Accept(message);
+    bool Accept(Message* message, Error* error) override {
+      return connector_.Accept(message, error);
     }
 
    public: