Update mojo sdk to rev 3d23dae011859a2aae49f1d1adde705c8e85d819

third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc

Index: third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc b/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc
index cc914e8194a2634ab0231114348b9e61ae3e8ab8..837ac81c8513db38c72741bc3b415aa85419da1d 100644
--- a/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc
+++ b/third_party/mojo/src/mojo/public/cpp/bindings/lib/message_builder.cc
@@ -19,7 +19,9 @@ MessageBuilder::MessageBuilder(uint32_t name, size_t payload_size)
     : buf_(sizeof(MessageHeader) + payload_size) {
   MessageHeader* header;
   Allocate(&buf_, &header);
-  header->num_fields = 2;
+  // TODO(yzshen): In order to work with other bindings which still interprets
+  // the |version| field as |num_fields|, set it to version 2 for now.
+  header->version = 2;
   header->name = name;
 }
 
@@ -41,7 +43,9 @@ MessageWithRequestIDBuilder::MessageWithRequestIDBuilder(uint32_t name,
     : MessageBuilder(sizeof(MessageHeaderWithRequestID) + payload_size) {
   MessageHeaderWithRequestID* header;
   Allocate(&buf_, &header);
-  header->num_fields = 3;
+  // TODO(yzshen): In order to work with other bindings which still interprets
+  // the |version| field as |num_fields|, set it to version 3 for now.
+  header->version = 3;
   header->name = name;
   header->flags = flags;
   header->request_id = request_id;