Revert 162293 - Enable DEP earlier on Vista and below

sandbox/win/src/process_mitigations.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_WIN_PROCESS_MITIGATIONS_H_
 #define SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_
 
 #include <windows.h>
 
 #include "base/basictypes.h"
 #include "sandbox/win/src/security_level.h"
 
 namespace sandbox {
 
-class TargetProcess;
-
 // Sets the mitigation policy for the current process, ignoring any settings
 // that are invalid for the current version of Windows.
 bool ApplyProcessMitigationsToCurrentProcess(MitigationFlags flags);
 
 // Returns the flags that must be enforced after startup for the current OS
 // version.
 MitigationFlags FilterPostStartupProcessMitigations(MitigationFlags flags);
 
 // Converts sandbox flags to the PROC_THREAD_ATTRIBUTE_SECURITY_CAPABILITIES
 // policy flags used by UpdateProcThreadAttribute(). The size field varies
 // between a 32-bit and a 64-bit type based on the exact build and version of
 // Windows, so the returned size must be passed to UpdateProcThreadAttribute().
 void ConvertProcessMitigationsToPolicy(MitigationFlags flags,
                                        DWORD64* policy_flags, size_t* size);
 
 // Adds mitigations that need to be performed on the suspended target process
 // before execution begins.
-bool ApplyProcessMitigationsToSuspendedTarget(TargetProcess* target,
-                                              MitigationFlags flags);
+bool ApplyProcessMitigationsToSuspendedProcess(HANDLE process,
+                                               MitigationFlags flags);
 
 // Returns true if all the supplied flags can be set after a process starts.
 bool CanSetProcessMitigationsPostStartup(MitigationFlags flags);
 
 // Returns true if all the supplied flags can be set before a process starts.
 bool CanSetProcessMitigationsPreStartup(MitigationFlags flags);
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_