Revert 129627 - Add a sandbox API for broker handle duplication

sandbox/src/handle_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 SANDBOX_SRC_HANDLE_POLICY_H_
-#define SANDBOX_SRC_HANDLE_POLICY_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "sandbox/src/crosscall_server.h"
-#include "sandbox/src/policy_low_level.h"
-#include "sandbox/src/sandbox_policy.h"
-
-namespace sandbox {
-
-enum EvalResult;
-
-// This class centralizes most of the knowledge related to handle policy.
-class HandlePolicy {
- public:
-  // Creates the required low-level policy rules to evaluate a high-level
-  // policy rule for handles, in particular duplicate action.
-  static bool GenerateRules(const wchar_t* type_name,
-                            TargetPolicy::Semantics semantics,
-                            LowLevelPolicy* policy);
-
-  // Processes a 'TargetPolicy::DuplicateHandle()' request from the target.
-  static DWORD DuplicateHandleProxyAction(EvalResult eval_result,
-                                          const ClientInfo& client_info,
-                                          HANDLE source_handle,
-                                          DWORD target_process_id,
-                                          HANDLE* target_handle,
-                                          DWORD desired_access,
-                                          DWORD options);
-};
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_HANDLE_POLICY_H_
-