getUserMeida: report device starting states

services/video_capture/receiver_mojo_to_media_adapter.cc

Index: services/video_capture/receiver_mojo_to_media_adapter.cc
diff --git a/services/video_capture/receiver_mojo_to_media_adapter.cc b/services/video_capture/receiver_mojo_to_media_adapter.cc
index 3c51cac3f104396dcd9924aa2df70377683a26bb..8844ca7cdfd4b8824a1f7f96e12935ce3f00458a 100644
--- a/services/video_capture/receiver_mojo_to_media_adapter.cc
+++ b/services/video_capture/receiver_mojo_to_media_adapter.cc
@@ -29,6 +29,10 @@ void ReceiverMojoToMediaAdapter::OnLog(const std::string& message) {
   receiver_->OnLog(message);
 }
 
+void ReceiverMojoToMediaAdapter::OnStarted() {
+  receiver_->OnStarted();
+}
+
 void ReceiverMojoToMediaAdapter::OnBufferDestroyed(int buffer_id_to_drop) {
   // Nothing to do here.
   // This call is only needed for clients who need to explicitly share buffers