Rearrange mojo/nacl files.

nacl_bindings_generator/mojo_irt.h.tmpl

 // Copyright 2015 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.
 
 {{generator_warning}}
 
-#ifndef MOJO_NACL_MOJO_IRT_H_
-#define MOJO_NACL_MOJO_IRT_H_
+#ifndef {{platform_dir_header_path}}_MOJO_IRT_H_
+#define {{platform_dir_header_path}}_MOJO_IRT_H_
 
-#include "mojo/common/mojo_common_export.h"
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.h"
 #include "mojo/public/c/system/message_pipe.h"
 #include "mojo/public/c/system/types.h"
 
 #define NACL_IRT_MOJO_v0_1 "nacl-irt-mojo-0.1"
 
 {{body}}
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 size_t mojo_irt_query(const char* interface_ident,
                       void* table,
                       size_t tablesize);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif  // MOJO_NACL_MOJO_IRT_H_
+#endif  // {{platform_dir_header_path}}_MOJO_IRT_H_