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

mojo/public/cpp/bindings/lib/validation_errors.cc

 // Copyright 2014 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/lib/validation_errors.h"
 
 #include "base/strings/stringprintf.h"
 #include "mojo/public/cpp/bindings/message.h"
 
 namespace mojo {
@@ skipping 80 matching lines @@
                              context->description().data(),
                              ValidationErrorToString(error)));
     }
   }
 }
 
 void ReportValidationErrorForMessage(
     mojo::Message* message,
     ValidationError error,
     const char* description) {
-  ValidationContext validation_context(
-      message->data(), message->data_num_bytes(),
-      message->handles()->size(), message,
-      description);
+  ValidationContext validation_context(nullptr, 0, 0, 0, message, description);
   ReportValidationError(&validation_context, error);
 }
 
 ScopedSuppressValidationErrorLoggingForTests
     ::ScopedSuppressValidationErrorLoggingForTests()
     : was_suppressed_(g_suppress_logging) {
   g_suppress_logging = true;
 }
 
 ScopedSuppressValidationErrorLoggingForTests
@@ skipping 29 matching lines @@
 }
 
 SerializationWarningObserverForTesting::
     ~SerializationWarningObserverForTesting() {
   DCHECK(g_serialization_warning_observer == this);
   g_serialization_warning_observer = nullptr;
 }
 
 }  // namespace internal
 }  // namespace mojo