Revert of Update Crashpad to 6da9708e7cc93e2e1772439d51646e47583cb225

third_party/crashpad/crashpad/util/win/session_end_watcher.h

-// Copyright 2017 The Crashpad Authors. All rights reserved.
-//
-// 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 CRASHPAD_UTIL_WIN_SESSION_END_WATCHER_H_
-#define CRASHPAD_UTIL_WIN_SESSION_END_WATCHER_H_
-
-#include <windows.h>
-
-#include "base/macros.h"
-#include "util/thread/thread.h"
-#include "util/win/scoped_handle.h"
-
-namespace crashpad {
-
-//! \brief Creates a hidden window and waits for a `WM_ENDSESSION` message,
-//!     indicating that the session is ending and the application should
-//!     terminate.
-//!
-//! A dedicated thread will be created to run the `GetMessage()`-based message
-//! loop required to monitor for this message.
-//!
-//! Users should subclass this class and receive notifications by implementing
-//! the SessionEndWatcherEvent() method.
-class SessionEndWatcher : public Thread {
- public:
-  SessionEndWatcher();
-
-  //! \note The destructor waits for the thread that runs the message loop to
-  //!     terminate.
-  ~SessionEndWatcher() override;
-
- protected:
-  // Exposed for testing.
-  HWND GetWindow() const { return window_; }
-
-  // Exposed for testing. Blocks until window_ has been created. May be called
-  // multiple times if necessary.
-  void WaitForStart();
-
-  // Exposed for testing. Blocks until the message loop ends. May be called
-  // multiple times if necessary.
-  void WaitForStop();
-
- private:
-  // Thread:
-  void ThreadMain() override;
-
-  static LRESULT CALLBACK WindowProc(HWND window,
-                                     UINT message,
-                                     WPARAM w_param,
-                                     LPARAM l_param);
-
-  //! \brief A `WM_ENDSESSION` message was received and it indicates that the
-  //!     user session will be ending imminently.
-  //!
-  //! This method is called on the thread that runs the message loop.
-  virtual void SessionEnding() = 0;
-
-  HWND window_;  // Conceptually strong, but ownership managed in ThreadMain()
-  ScopedKernelHANDLE started_;
-  ScopedKernelHANDLE stopped_;
-
-  DISALLOW_COPY_AND_ASSIGN(SessionEndWatcher);
-};
-
-}  // namespace crashpad
-
-#endif  // CRASHPAD_UTIL_WIN_SESSION_END_WATCHER_H_