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

services/video_capture/test/fake_device_descriptor_test.h

Index: services/video_capture/test/fake_device_descriptor_test.h
diff --git a/services/video_capture/test/fake_device_descriptor_test.h b/services/video_capture/test/fake_device_descriptor_test.h
index 67b0fdfa31b052c258af3167145c8c8044e693d1..b8ef92be73b37f224ca93b97e1de8711c97ea9fe 100644
--- a/services/video_capture/test/fake_device_descriptor_test.h
+++ b/services/video_capture/test/fake_device_descriptor_test.h
@@ -5,13 +5,13 @@
 #ifndef SERVICES_VIDEO_CAPTURE_TEST_FAKE_DEVICE_DESCRIPTOR_TEST_H_
 #define SERVICES_VIDEO_CAPTURE_TEST_FAKE_DEVICE_DESCRIPTOR_TEST_H_
 
-#include "services/video_capture/test/service_test.h"
+#include "services/video_capture/test/device_factory_provider_test.h"
 
 namespace video_capture {
 
 // Test fixture that obtains the descriptor of the fake device by enumerating
 // the devices of the fake device factory.
-class FakeDeviceDescriptorTest : public ServiceTest {
+class FakeDeviceDescriptorTest : public DeviceFactoryProviderTest {
  public:
   FakeDeviceDescriptorTest();
   ~FakeDeviceDescriptorTest() override;