Revert 129627 - Add a sandbox API for broker handle duplication

sandbox/src/handle_dispatcher.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_DISPATCHER_H_
-#define SANDBOX_SRC_HANDLE_DISPATCHER_H_
-
-#include "base/basictypes.h"
-#include "sandbox/src/crosscall_server.h"
-#include "sandbox/src/sandbox_policy_base.h"
-
-namespace sandbox {
-
-// This class handles handle-related IPC calls.
-class HandleDispatcher : public Dispatcher {
- public:
-  explicit HandleDispatcher(PolicyBase* policy_base);
-  ~HandleDispatcher() {}
-
-  // Dispatcher interface.
-  virtual bool SetupService(InterceptionManager* manager, int service);
-
- private:
-  // Processes IPC requests coming from calls to
-  // TargetServices::DuplicateHandle() in the target.
-  bool DuplicateHandleProxy(IPCInfo* ipc, HANDLE source_handle,
-                            DWORD target_process_id, DWORD desired_access,
-                            DWORD options);
-
-  PolicyBase* policy_base_;
-  DISALLOW_COPY_AND_ASSIGN(HandleDispatcher);
-};
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_HANDLE_DISPATCHER_H_
-