Move ScopedTokenPrivilege to chrome/installer/util

chrome/installer/setup/setup_util.cc

 // 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.
 //
 // This file declares util functions for setup project.
 
 #include "chrome/installer/setup/setup_util.h"
 
 #include <windows.h>
 
@@ skipping 830 matching lines @@
   WTSINFO* wts_info = nullptr;
   if (buffer_size < sizeof(*wts_info))
     return base::Time();
 
   wts_info = reinterpret_cast<WTSINFO*>(buffer);
   FILETIME filetime = {wts_info->LogonTime.u.LowPart,
                        wts_info->LogonTime.u.HighPart};
   return base::Time::FromFileTime(filetime);
 }
 
-ScopedTokenPrivilege::ScopedTokenPrivilege(const wchar_t* privilege_name)
-    : is_enabled_(false) {
-  HANDLE temp_handle;
-  if (!::OpenProcessToken(::GetCurrentProcess(),
-                          TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
-                          &temp_handle)) {
-    return;
-  }
-  token_.Set(temp_handle);
-
-  LUID privilege_luid;
-  if (!::LookupPrivilegeValue(NULL, privilege_name, &privilege_luid)) {
-    token_.Close();
-    return;
-  }
-
-  // Adjust the token's privileges to enable |privilege_name|. If this privilege
-  // was already enabled, |previous_privileges_|.PrivilegeCount will be set to 0
-  // and we then know not to disable this privilege upon destruction.
-  TOKEN_PRIVILEGES tp;
-  tp.PrivilegeCount = 1;
-  tp.Privileges[0].Luid = privilege_luid;
-  tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
-  DWORD return_length;
-  if (!::AdjustTokenPrivileges(token_.Get(), FALSE, &tp,
-                               sizeof(TOKEN_PRIVILEGES),
-                               &previous_privileges_, &return_length)) {
-    token_.Close();
-    return;
-  }
-
-  is_enabled_ = true;
-}
-
-ScopedTokenPrivilege::~ScopedTokenPrivilege() {
-  if (is_enabled_ && previous_privileges_.PrivilegeCount != 0) {
-    ::AdjustTokenPrivileges(token_.Get(), FALSE, &previous_privileges_,
-                            sizeof(TOKEN_PRIVILEGES), NULL, NULL);
-  }
-}
-
 }  // namespace installer