Switch to standard integer types in sandbox/.

sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc

 // Copyright (c) 2013 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.
 
 // Note: any code in this file MUST be async-signal safe.
 
 #include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
 
+#include <stddef.h>
+#include <stdint.h>
 #include <sys/syscall.h>
 #include <unistd.h>
 
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #include "build/build_config.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #include "sandbox/linux/seccomp-bpf/syscall.h"
 #include "sandbox/linux/services/syscall_wrappers.h"
@@ skipping 269 matching lines @@
 
 const char* GetKillErrorMessageContentForTests() {
   return SECCOMP_MESSAGE_KILL_CONTENT;
 }
 
 const char* GetFutexErrorMessageContentForTests() {
   return SECCOMP_MESSAGE_FUTEX_CONTENT;
 }
 
 }  // namespace sandbox.