Remove #pragma once from content

content/common/sandbox_policy.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_COMMON_SANDBOX_POLICY_H_
 #define CONTENT_COMMON_SANDBOX_POLICY_H_
-#pragma once
 
 #include "base/process.h"
 #include "content/common/content_export.h"
 
 class CommandLine;
 class FilePath;
 
 namespace sandbox {
 
 class BrokerServices;
 class TargetServices;
 
 bool InitBrokerServices(sandbox::BrokerServices* broker_services);
 
 bool InitTargetServices(sandbox::TargetServices* target_services);
 
 // Starts a sandboxed process with the given directory unsandboxed
 // and returns a handle to it.
 base::ProcessHandle StartProcessWithAccess(CommandLine* cmd_line,
                                            const FilePath& exposed_dir);
 
 }  // namespace sandbox
 
 #endif  // CONTENT_COMMON_SANDBOX_POLICY_H_