IPC fuzzer: create message_lib library.

tools/ipc_fuzzer/message_lib/message_file_format.h

Index: tools/ipc_fuzzer/message_lib/message_file_format.h
diff --git a/tools/ipc_fuzzer/message_lib/message_file_format.h b/tools/ipc_fuzzer/message_lib/message_file_format.h
new file mode 100644
index 0000000000000000000000000000000000000000..005f9364db534db50c78a652c83845fac1849c38
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+++ b/tools/ipc_fuzzer/message_lib/message_file_format.h
@@ -0,0 +1,63 @@
+// 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.
+
+#ifndef TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_FILE_FORMAT_H_
+#define TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_FILE_FORMAT_H_
+
+#include "base/basictypes.h"
+
+// Message file contains IPC messages and message names. Each message type
+// has a NameTableEntry mapping the type to a name.
+//
+// |========================|
+// | FileHeader             |
+// |========================|
+// | Message                |
+// |------------------------|
+// | Message                |
+// |------------------------|
+// | ...                    |
+// |========================|
+// | NameTableEntry         |
+// |------------------------|
+// | NameTableEntry         |
+// |------------------------|
+// | ...                    |
+// |------------------------|
+// | type = 0x0002070f      |
+// | string_table_offset = ---.
+// |------------------------|  \
+// | ...                    |  |
+// |========================|  |
+// | message name           |  |
+// |------------------------|  |
+// | message name           |  |
+// |------------------------|  |
+// | ...                    |  |
+// |------------------------|  /
+// | "ViewHostMsg_OpenURL" <--*
+// |------------------------|
+// | ...                    |
+// |========================|
+
+namespace ipc_fuzzer {
+
+struct FileHeader {
+  static const uint32 kMagicValue = 0x1bcf11ee;
+  static const uint32 kCurrentVersion = 1;
+
+  uint32 magic;
+  uint32 version;
+  uint32 message_count;
+  uint32 name_count;
+};
+
+struct NameTableEntry {
+  uint32 type;
+  uint32 string_table_offset;
+};
+
+}  // namespace ipc_fuzzer
+
+#endif  // TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_FILE_FORMAT_H_