1 files changed, 44 insertions, 0 deletions
diff --git a/chromium/mojo/public/cpp/bindings/lib/message_internal.h b/chromium/mojo/public/cpp/bindings/lib/message_internal.h
new file mode 100644
index 00000000000..3c67902b7a8
--- /dev/null
+++ b/chromium/mojo/public/cpp/bindings/lib/message_internal.h
@@ -0,0 +1,44 @@
+// 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.
+
+#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_INTERNAL_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_INTERNAL_H_
+
+#include "mojo/public/cpp/bindings/lib/bindings_internal.h"
+
+namespace mojo {
+namespace internal {
+
+#pragma pack(push, 1)
+
+enum {
+  kMessageExpectsResponse = 1 << 0,
+  kMessageIsResponse      = 1 << 1
+};
+
+struct MessageHeader : internal::StructHeader {
+  uint32_t name;
+  uint32_t flags;
+};
+MOJO_COMPILE_ASSERT(sizeof(MessageHeader) == 16, bad_sizeof_MessageHeader);
+
+struct MessageHeaderWithRequestID : MessageHeader {
+  uint64_t request_id;
+};
+MOJO_COMPILE_ASSERT(sizeof(MessageHeaderWithRequestID) == 24,
+                    bad_sizeof_MessageHeaderWithRequestID);
+
+struct MessageData {
+  MessageHeader header;
+};
+
+MOJO_COMPILE_ASSERT(sizeof(MessageData) == sizeof(MessageHeader),
+                    bad_sizeof_MessageData);
+
+#pragma pack(pop)
+
+}  // namespace internal
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_INTERNAL_H_