Move device monitors out of //media/capture into //media/device_monitors

media/capture/system_message_window_win_unittest.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.
-
-#include "media/capture/system_message_window_win.h"
-
-#include <dbt.h>
-#include <string>
-#include <vector>
-
-#include "base/files/file_path.h"
-#include "base/message_loop/message_loop.h"
-#include "base/system_monitor/system_monitor.h"
-#include "base/test/mock_devices_changed_observer.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace media {
-
-class SystemMessageWindowWinTest : public testing::Test {
- public:
-  ~SystemMessageWindowWinTest() override {}
-
- protected:
-  void SetUp() override {
-    system_monitor_.AddDevicesChangedObserver(&observer_);
-  }
-
-  base::MessageLoop message_loop_;
-  base::SystemMonitor system_monitor_;
-  base::MockDevicesChangedObserver observer_;
-  SystemMessageWindowWin window_;
-};
-
-TEST_F(SystemMessageWindowWinTest, DevicesChanged) {
-  EXPECT_CALL(observer_, OnDevicesChanged(testing::_)).Times(1);
-  window_.OnDeviceChange(DBT_DEVNODES_CHANGED, NULL);
-  message_loop_.RunUntilIdle();
-}
-
-TEST_F(SystemMessageWindowWinTest, RandomMessage) {
-  window_.OnDeviceChange(DBT_DEVICEQUERYREMOVE, NULL);
-  message_loop_.RunUntilIdle();
-}
-
-}  // namespace media