Remove sandbox on Windows.

content/common/sandbox_win.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_WIN_H_
 #define CONTENT_COMMON_SANDBOX_WIN_H_
 
 #include <stdint.h>
 
+#include <windows.h>
+
 #include "content/common/content_export.h"
-#include "sandbox/win/src/security_level.h"
-
-namespace base {
-class CommandLine;
-}
-
-namespace sandbox {
-class BrokerServices;
-class TargetPolicy;
-class TargetServices;
-}
 
 namespace content {
 
-// Wrapper around sandbox::TargetPolicy::SetJobLevel that checks if the sandbox
-// should be let to run without a job object assigned.
-void SetJobLevel(const base::CommandLine& cmd_line,
-                 sandbox::JobLevel job_level,
-                 uint32_t ui_exceptions,
-                 sandbox::TargetPolicy* policy);
-
-// Closes handles that are opened at process creation and initialization.
-void AddBaseHandleClosePolicy(sandbox::TargetPolicy* policy);
-
-// Add AppContainer policy for |sid| on supported OS.
-void AddAppContainerPolicy(sandbox::TargetPolicy* policy, const wchar_t* sid);
-
-// Add the win32k lockdown policy on supported OS.
-bool AddWin32kLockdownPolicy(sandbox::TargetPolicy* policy);
-
-bool InitBrokerServices(sandbox::BrokerServices* broker_services);
-
-bool InitTargetServices(sandbox::TargetServices* target_services);
+bool BrokerDuplicateHandle(HANDLE source_handle,
+                           DWORD target_process_id,
+                           HANDLE* target_handle,
+                           DWORD desired_access,
+                           DWORD options);
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_SANDBOX_WIN_H_