Mojo: Report bindings validation errors via MojoNotifyBadMessage

ipc/mojo/ipc_message_pipe_reader.cc

Index: ipc/mojo/ipc_message_pipe_reader.cc
diff --git a/ipc/mojo/ipc_message_pipe_reader.cc b/ipc/mojo/ipc_message_pipe_reader.cc
index 08bbcd4c2c28b10224415c187619353d07ea7789..a6030d36afa84121ffbc3daae5e5dbda44ad1341 100644
--- a/ipc/mojo/ipc_message_pipe_reader.cc
+++ b/ipc/mojo/ipc_message_pipe_reader.cc
@@ -33,15 +33,15 @@ class MessageSerializer : public mojo::MessageReceiverWithResponder {
 
  private:
   // mojo::MessageReceiverWithResponder
-  bool Accept(mojo::Message* message) override {
+  Result Accept(mojo::Message* message) override {
     message->MoveTo(&message_);
-    return true;
+    return Result::ForSuccess();
   }
 
-  bool AcceptWithResponder(mojo::Message* message,
-                           mojo::MessageReceiver* responder) override {
+  Result AcceptWithResponder(mojo::Message* message,
+                             mojo::MessageReceiver* responder) override {
     NOTREACHED();
-    return false;
+    return Result::ForUnknownError();
   }
 
   mojo::Message message_;