Forward capturer id from desktop process to network process

remoting/host/desktop_session_proxy.cc

Index: remoting/host/desktop_session_proxy.cc
diff --git a/remoting/host/desktop_session_proxy.cc b/remoting/host/desktop_session_proxy.cc
index 4e9e88b97c8a503fe0aa256c65c277e84cce724c..5ec3332d79a53b90976269c69b5268db9b368b8b 100644
--- a/remoting/host/desktop_session_proxy.cc
+++ b/remoting/host/desktop_session_proxy.cc
@@ -482,6 +482,7 @@ void DesktopSessionProxy::OnCaptureResult(
           new IpcSharedBuffer(shared_buffer_core)));
   frame->set_capture_time_ms(serialized_frame.capture_time_ms);
   frame->set_dpi(serialized_frame.dpi);
+  frame->set_capturer_id(serialized_frame.capturer_id);
 
   for (const auto& rect : serialized_frame.dirty_region) {
     frame->mutable_updated_region()->AddRect(rect);