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

client/shutdown_events.h

-// Copyright 2011 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.
-// ========================================================================
-
-#ifndef OMAHA_CLIENT_SHUTDOWN_EVENTS_H_
-#define OMAHA_CLIENT_SHUTDOWN_EVENTS_H_
-
-#include <windows.h>
-#include <atlsafe.h>
-#include "base/scoped_ptr.h"
-#include "omaha/base/shutdown_callback.h"
-#include "omaha/base/synchronized.h"
-
-namespace omaha {
-
-class BundleInstaller;
-class Reactor;
-class ShutdownHandler;
-
-class ShutdownEvents : public ShutdownCallback {
- public:
-  explicit ShutdownEvents(BundleInstaller* installer);
-  virtual ~ShutdownEvents();
-
-  HRESULT InitializeShutdownHandler(bool is_machine);
-  HRESULT Shutdown();
-  static HRESULT CreateShutdownHandler(bool is_machine,
-                                       BundleInstaller* installer,
-                                       ShutdownCallback** shutdown_callback);
-
- private:
-  BundleInstaller* installer_;
-
-  LLock lock_;
-  scoped_ptr<Reactor> reactor_;
-  scoped_ptr<ShutdownHandler> shutdown_handler_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ShutdownEvents);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_CLIENT_SHUTDOWN_EVENTS_H_