mandoline: write this after lunch.

mojo/services/network/network_service_delegate.h

Index: mojo/services/network/network_service_delegate.h
diff --git a/mojo/services/network/network_service_delegate.h b/mojo/services/network/network_service_delegate.h
index 216f9619f584584ad9ce46619fe67ee639c208e4..16b2f969c4d5575af462c025f0c6542247256da0 100644
--- a/mojo/services/network/network_service_delegate.h
+++ b/mojo/services/network/network_service_delegate.h
@@ -16,6 +16,7 @@
 #include "mojo/services/network/public/interfaces/network_service.mojom.h"
 #include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
 #include "mojo/services/network/public/interfaces/web_socket_factory.mojom.h"
+#include "mojo/services/tracing/public/cpp/tracing_impl.h"
 
 namespace sql {
 class ScopedMojoFilesystemVFS;
@@ -69,6 +70,7 @@ class NetworkServiceDelegate : public ApplicationDelegate,
 
  private:
   ApplicationImpl* app_;
+  mojo::TracingImpl tracing_;
 
   // Observers that want notifications that our worker thread is going away.
   base::ObserverList<NetworkServiceDelegateObserver> observers_;