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

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/public/cpp/bindings/connector.h"
 
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 #include <utility>
@@ skipping 81 matching lines @@
   ConnectorTest() {}
 
   void SetUp() override {
     CreateMessagePipe(nullptr, &handle0_, &handle1_);
   }
 
   void TearDown() override {}
 
   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());
   }
 
  protected:
   ScopedMessagePipeHandle handle0_;
   ScopedMessagePipeHandle handle1_;
 
  private:
@@ skipping 477 matching lines @@
           [](std::unique_ptr<Connector> connector) { connector.reset(); },
           base::Passed(std::move(connector))),
       run_loop.QuitClosure());
 
   run_loop.Run();
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo