Changing SpawnChild to return a struct.

mojo/public/c/system/platform_handle.h

 // Copyright 2016 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.
 
 // This file contains types/functions and constants for platform handle wrapping
 // and unwrapping APIs.
 //
 // Note: This header should be compilable as C.
 
 #ifndef MOJO_PUBLIC_C_SYSTEM_PLATFORM_HANDLE_H_
@@ skipping 20 matching lines @@
 //   |MOJO_PLATFORM_HANDLE_TYPE_WINDOWS_HANDLE| - A Windows HANDLE value. Only
 //       valid on Windows.
 
 typedef uint32_t MojoPlatformHandleType;
 
 #ifdef __cplusplus
 const MojoPlatformHandleType MOJO_PLATFORM_HANDLE_TYPE_INVALID = 0;
 const MojoPlatformHandleType MOJO_PLATFORM_HANDLE_TYPE_FILE_DESCRIPTOR = 1;
 const MojoPlatformHandleType MOJO_PLATFORM_HANDLE_TYPE_MACH_PORT = 2;
 const MojoPlatformHandleType MOJO_PLATFORM_HANDLE_TYPE_WINDOWS_HANDLE = 3;
+const MojoPlatformHandleType MOJO_PLATFORM_HANDLE_TYPE_PARCELABLE = 4;
 #else
 #define MOJO_PLATFORM_HANDLE_TYPE_INVALID ((MojoPlatformHandleType)0)
 #define MOJO_PLATFORM_HANDLE_TYPE_FILE_DESCRIPTOR ((MojoPlatformHandleType)1)
 #define MOJO_PLATFORM_HANDLE_TYPE_MACH_PORT ((MojoPlatformHandleType)2)
 #define MOJO_PLATFORM_HANDLE_TYPE_WINDOWS_HANDLE ((MojoPlatformHandleType)3)
+#define MOJO_PLATFORM_HANDLE_TYPE_PARCELABLE ((MojoPlatformHandleType)4)
+
 #endif
 
 // |MojoPlatformHandle|: A handle to an OS object.
 //     |uint32_t struct_size|: The size of this structure. Used for versioning
 //         to allow for future extensions.
 //     |MojoPlatformHandleType type|: The type of handle stored in |value|.
 //     |uint64_t value|: The value of this handle. Ignored if |type| is
 //         MOJO_PLATFORM_HANDLE_TYPE_INVALID.
 //
 
@@ skipping 119 matching lines @@
     MojoHandle mojo_handle,
     struct MojoPlatformHandle* platform_handle,
     size_t* num_bytes,
     MojoPlatformSharedBufferHandleFlags* flags);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // MOJO_PUBLIC_C_SYSTEM_PLATFORM_HANDLE_H_