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..2c687a21e80a995c5b35ab707e19e7e857d3aa77 100644
--- a/mojo/public/cpp/bindings/tests/validation_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/validation_unittest.cc
@@ -190,8 +190,8 @@ void RunValidationTests(const std::string& prefix,
 
 class DummyMessageReceiver : public MessageReceiver {
  public:
-  bool Accept(Message* message) override {
-    return true;  // Any message is OK.
+  Result Accept(Message* message) override {
+    return Result::ForSuccess();  // Any message is OK.
   }
 };
 
@@ -245,7 +245,7 @@ class ValidationIntegrationTest : public ValidationTest {
     }
     ~TestMessageReceiver() override {}
 
-    bool Accept(Message* message) override {
+    Result Accept(Message* message) override {
       return connector_.Accept(message);
     }