Add a sandbox API for broker handle duplication

sandbox/src/target_services.h

 // Copyright (c) 2010 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_TARGET_SERVICES_H__
 #define SANDBOX_SRC_TARGET_SERVICES_H__
 
 #include "base/basictypes.h"
 #include "sandbox/src/sandbox.h"
 #include "sandbox/src/win_utils.h"
@@ skipping 28 matching lines @@
 // Do NOT add a destructor to this class without changing the implementation of
 // the factory method.
 class TargetServicesBase : public TargetServices {
  public:
   TargetServicesBase();
 
   // Public interface of TargetServices.
   virtual ResultCode Init();
   virtual void LowerToken();
   virtual ProcessState* GetState();
+  virtual ResultCode DuplicateHandle(HANDLE source_handle,
+                                     DWORD target_process_id,
+                                     HANDLE* target_handle,
+                                     DWORD desired_access,
+                                     BOOL inherit_handle,
+                                     DWORD options);
 
   // Factory method.
   static TargetServicesBase* GetInstance();
 
   // Sends a simple IPC Message that has a well-known answer. Returns true
   // if the IPC was successful and false otherwise. There are 2 versions of
   // this test: 1 and 2. The first one send a simple message while the
   // second one send a message with an in/out param.
   bool TestIPCPing(int version);
 
  private:
   ProcessState process_state_;
   DISALLOW_COPY_AND_ASSIGN(TargetServicesBase);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_TARGET_SERVICES_H__