#include "chrome/browser/ui/global_media_controls/media_notification_device_monitor.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "chrome/browser/ui/global_media_controls/media_notification_device_provider.h"
#include "media/audio/audio_device_description.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class MockDevicesChangedObserver
: public MediaNotificationDeviceMonitor::DevicesChangedObserver { … };
class MockMediaNotificationDeviceProvider
: public MediaNotificationDeviceProvider { … };
class PollingDeviceMonitorImplTest : public testing::Test { … };
}
TEST_F(PollingDeviceMonitorImplTest, DeviceChangeNotifiesObserver) { … }