Mojo C++ bindings: introduce an optional array to store transferred interface IDs in messages.

mojo/public/cpp/bindings/tests/connector_unittest.cc

Index: mojo/public/cpp/bindings/tests/connector_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/connector_unittest.cc b/mojo/public/cpp/bindings/tests/connector_unittest.cc
index 87f88924cc2d608aeae9d023ab9fa7bbac929509..74ecb7a9ee05e90d8487540dde99588a8846b6c0 100644
--- a/mojo/public/cpp/bindings/tests/connector_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/connector_unittest.cc
@@ -99,7 +99,7 @@ class ConnectorTest : public testing::Test {
 
   void AllocMessage(const char* text, Message* message) {
     size_t payload_size = strlen(text) + 1;  // Plus null terminator.
-    internal::MessageBuilder builder(1, payload_size);
+    internal::MessageBuilder builder(1, 0, payload_size, 0);
     memcpy(builder.buffer()->Allocate(payload_size), text, payload_size);
 
     *message = std::move(*builder.message());