[Mojo Video Capture] Stop service when last client disconnects.

services/video_capture/public/cpp/device_to_feedback_observer_adapter.h

Index: services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
diff --git a/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h b/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
index b35dab01d1701511cb2982cfd3f100a004cc5625..a4f9e68289648b6ca8b90ae98d6b2466f2897c26 100644
--- a/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
+++ b/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
@@ -15,14 +15,14 @@ namespace video_capture {
 class DeviceToFeedbackObserverAdapter
     : public media::VideoFrameConsumerFeedbackObserver {
  public:
-  DeviceToFeedbackObserverAdapter(mojom::DevicePtr device);
+  DeviceToFeedbackObserverAdapter(mojom::DevicePtr* device);
   ~DeviceToFeedbackObserverAdapter() override;
 
   // media::VideoFrameConsumerFeedbackObserver:
   void OnUtilizationReport(int frame_feedback_id, double utilization) override;
 
  private:
-  mojom::DevicePtr device_;
+  mojom::DevicePtr* device_;
 };
 
 }  // namespace video_capture