NaCl-Chrome integration - step 1

chrome/common/nacl_types.h

+// Copyright (c) 2009 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.
+
+// Handle passing definitions for NaCl
+#ifndef CHROME_COMMON_NACL_TYPES_H_
+#define CHROME_COMMON_NACL_TYPES_H_
+
+// TODO(gregoryd): add a Windows definition for base::FileDescriptor,
+// replace the macros with inline functions.
+namespace nacl {
+#if defined(OS_WIN)
+typedef HANDLE FileDescriptor;
+#define NATIVE_HANDLE(desc) (desc)
+#elif defined(OS_POSIX)
+typedef base::FileDescriptor FileDescriptor;
+#define NATIVE_HANDLE(desc) ((desc).fd)
+#endif
+}
+
+#endif  // CHROME_COMMON_NACL_TYPES_H_