38     notifier_ = std::make_unique<SystemMediaControlsNotifier>(  in SetUp()
46     notifier_->MediaSessionInfoChanged(std::move(session_info));  in SimulatePlaying()
52     notifier_->MediaSessionInfoChanged(std::move(session_info));  in SimulatePaused()
55   void SimulateStopped() { notifier_->MediaSessionInfoChanged(nullptr); }  in SimulateStopped()
64       notifier_->MediaSessionMetadataChanged(  in SimulateMetadataChanged()
67       notifier_->MediaSessionMetadataChanged(base::nullopt);  in SimulateMetadataChanged()
76     notifier_->MediaControllerImageChanged(  in SimulateImageChanged()
80   SystemMediaControlsNotifier& notifier() { return *notifier_; }  in notifier()
88     return notifier_->lock_polling_timer_;  in lock_polling_timer()
91   base::OneShotTimer& hide_smtc_timer() { return notifier_->hide_smtc_timer_; }  in hide_smtc_timer()
96   std::unique_ptr<SystemMediaControlsNotifier> notifier_;  member in content::SystemMediaControlsNotifierTest