Update mojo sdk to rev f84766d3b6420b7cf6a113d9d65d73cb5fe18d90

third_party/mojo/src/mojo/public/cpp/bindings/message.h

Index: third_party/mojo/src/mojo/public/cpp/bindings/message.h
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/message.h b/third_party/mojo/src/mojo/public/cpp/bindings/message.h
index b763d9a4dec2d5b92dad64518b44473ce9ce08d5..d8e385945b3c54fcc50ed416efc9178bad56d6a3 100644
--- a/third_party/mojo/src/mojo/public/cpp/bindings/message.h
+++ b/third_party/mojo/src/mojo/public/cpp/bindings/message.h
@@ -43,7 +43,7 @@ class Message {
   bool has_flag(uint32_t flag) const { return !!(data_->header.flags & flag); }
 
   // Access the request_id field (if present).
-  bool has_request_id() const { return data_->header.version >= 3; }
+  bool has_request_id() const { return data_->header.version >= 1; }
   uint64_t request_id() const {
     MOJO_DCHECK(has_request_id());
     return static_cast<const internal::MessageHeaderWithRequestID*>(