Mojo: Report bindings validation errors via MojoNotifyBadMessage

mojo/public/cpp/bindings/lib/control_message_handler.h

Index: mojo/public/cpp/bindings/lib/control_message_handler.h
diff --git a/mojo/public/cpp/bindings/lib/control_message_handler.h b/mojo/public/cpp/bindings/lib/control_message_handler.h
index 13b5aa6214ea5e08b07cc057e8638ba0f02ad0a1..8a12f8505947580ccd10770c73e3ae3c55c6ce0a 100644
--- a/mojo/public/cpp/bindings/lib/control_message_handler.h
+++ b/mojo/public/cpp/bindings/lib/control_message_handler.h
@@ -19,19 +19,21 @@ class ControlMessageHandler : public MessageReceiverWithResponderStatus {
  public:
   static bool IsControlMessage(const Message* message);
 
-  explicit ControlMessageHandler(uint32_t interface_version);
+  ControlMessageHandler(const char* interface_name,
+                        uint32_t interface_version);
   ~ControlMessageHandler() override;
 
   // Call the following methods only if IsControlMessage() returned true.
-  bool Accept(Message* message) override;
+  Result Accept(Message* message) override;
   // Takes ownership of |responder|.
-  bool AcceptWithResponder(Message* message,
-                           MessageReceiverWithStatus* responder) override;
+  Result AcceptWithResponder(Message* message,
+                             MessageReceiverWithStatus* responder) override;
 
  private:
-  bool Run(Message* message, MessageReceiverWithStatus* responder);
-  bool RunOrClosePipe(Message* message);
+  Result Run(Message* message, MessageReceiverWithStatus* responder);
+  Result RunOrClosePipe(Message* message);
 
+  const char* interface_name_;
   uint32_t interface_version_;
   SerializationContext context_;