Keep only base/extractor.[cc|h].

tools/SetShutDownEvent/signal_shutdown.cc

-// Copyright 2007-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Simple tool to signal the shutdownevent.
-
-#include <Windows.h>
-#include <stdio.h>
-
-#include "omaha/common/const_object_names.h"
-#include "omaha/common/scoped_any.h"
-#include "omaha/common/utils.h"
-
-int _tmain(int argc, TCHAR* argv[]) {
-  if (argc != 2) {
-    _tprintf(_T("Tool to set the Goopdate ShutdownEvent.\n"));
-    _tprintf(_T("Usage: SetShutDownEvent <true>\n"));
-    _tprintf(_T("If arg=true the machine shutdown event is signalled.\n"));
-    return -1;
-  }
-
-  bool is_machine = false;
-  if (_tcsncmp(_T("true"), argv[1], ARRAYSIZE(_T("true"))) == 0) {
-    is_machine = true;
-  }
-
-  omaha::NamedObjectAttributes attr;
-  GetNamedObjectAttributes(omaha::kShutdownEvent, is_machine, &attr);
-  // Manual reset=true and signaled=false
-  scoped_handle shutdown_event(::CreateEvent(&attr.sa,
-                                             true,
-                                             false,
-                                             attr.name));
-  if (!shutdown_event) {
-    DWORD error = GetLastError();
-    _tprintf(_T("CreateEvent failed. error = %d\n"), error);
-    return error;
-  }
-
-  if (!::SetEvent(get(shutdown_event))) {
-    DWORD error = GetLastError();
-    _tprintf(_T("SetEvent failed. error = %d\n"), error);
-    return error;
-  }
-  _tprintf(_T("Done\n"));
-  return 0;
-}