Remove #pragma once from content

content/public/common/sandbox_init.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_
 #define CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_
-#pragma once
 
 #include "base/process.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_platform_file.h"
 
 class CommandLine;
 class FilePath;
 
 namespace sandbox {
@@ skipping 69 matching lines @@
 // DUPLICATE_SAME_ACCESS flag. On posix it behaves essentially the same as
 // IPC::GetFileHandleForProcess()
 CONTENT_EXPORT IPC::PlatformFileForTransit BrokerGetFileHandleForProcess(
     base::PlatformFile handle,
     base::ProcessId target_process_id,
     bool should_close_source);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_