Switch to standard integer types in ipc/.

ipc/test_util_mac.h

 // 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.
 
 // This file contains Mac-specific utility functions used by multiple test
 // suites.
 
 #ifndef IPC_TEST_UTIL_MAC_H_
 #define IPC_TEST_UTIL_MAC_H_
 
 #include <mach/mach.h>
+#include <stddef.h>
 
 #include <string>
 
 #include "base/mac/scoped_mach_port.h"
 
 namespace IPC {
 
 // Returns a random name suitable for Mach Server registration.
 std::string CreateRandomServiceName();
 
@@ skipping 29 matching lines @@
 void IncrementMachRefCount(mach_port_name_t name, mach_port_right_t right);
 
 // Gets the current and maximum protection levels of the memory region.
 // Returns whether the operation was successful.
 // |current| and |max| are output variables only populated on success.
 bool GetMachProtections(void* address, size_t size, int* current, int* max);
 
 }  // namespace IPC
 
 #endif  // IPC_TEST_UTIL_MAC_H_