Added PlatformHandle thunks.

mojo/platform_handle/platform_handle_functions.h

Index: mojo/platform_handle/platform_handle_functions.h
diff --git a/mojo/platform_handle/platform_handle_functions.h b/mojo/platform_handle/platform_handle_functions.h
new file mode 100644
index 0000000000000000000000000000000000000000..ddcf239e2bc394fba789f684df4429bf5c6e04dd
--- /dev/null
+++ b/mojo/platform_handle/platform_handle_functions.h
@@ -0,0 +1,25 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.

[viettrungluu, 2016/02/02 00:07:36]

This file should also live under //mojo/public/platform/native.

Probably just call it "platform_handle_private.h".

[Forrest Reiling, 2016/02/10 20:16:08]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PLATFORM_HANDLE_PLATFORM_HANDLE_FUNCTIONS_H_
+#define MOJO_PLATFORM_HANDLE_PLATFORM_HANDLE_FUNCTIONS_H_
+
+#include "mojo/public/c/system/types.h"
+
+using MojoPlatformHandle = int;  // Unix file descriptor

[viettrungluu, 2016/02/02 00:07:36]

This header should be compilable as C, so you should use a typedef.

[Forrest Reiling, 2016/02/10 20:16:08]

Done.

+
+extern "C" {

[viettrungluu, 2016/02/02 00:07:36]

And wrap this line in #ifdef __cplusplus (and ditto for the closing brace).

[Forrest Reiling, 2016/02/10 20:16:09]

Done.

+
+// Wraps |platform_handle| in a MojoHandle so that it can transported, returns
+// true on success. This takes ownership of |platform_handle|, regardless of

[viettrungluu, 2016/02/02 00:07:36]

It so doesn't return "true".

[Forrest Reiling, 2016/02/10 20:16:09]

Done.

+// whether this succeeds.
+MojoResult MojoCreatePlatformHandleWrapper(MojoPlatformHandle platform_handle,
+                                           MojoHandle* wrapper);
+
+MojoResult MojoExtractPlatformHandle(MojoHandle wrapper,

[viettrungluu, 2016/02/02 00:07:36]

This could use a comment too.

[Forrest Reiling, 2016/02/10 20:16:08]

Done.

+                                     MojoPlatformHandle* platform_handle);
+
+}  // extern "C"
+
+#endif  // MOJO_PLATFORM_HANDLE_PLATFORM_HANDLE_FUNCTIONS_H_