Update the native_viewport interface to allow specification of the surface configuration, currently…

examples/surfaces_app/surfaces_app.cc

Index: examples/surfaces_app/surfaces_app.cc
diff --git a/examples/surfaces_app/surfaces_app.cc b/examples/surfaces_app/surfaces_app.cc
index e254b5937dd65707fd020eb7fcafb4e8fcc1b68e..2e0762948cef0c9ba3741cd720605fd644b93961 100644
--- a/examples/surfaces_app/surfaces_app.cc
+++ b/examples/surfaces_app/surfaces_app.cc
@@ -39,7 +39,8 @@ class SurfacesApp : public ApplicationDelegate {
 
     // Connect to the native viewport service and create a viewport.
     app_impl_->ConnectToService("mojo:native_viewport_service", &viewport_);
-    viewport_->Create(Size::From(size_), [](ViewportMetricsPtr metrics) {});
+    viewport_->Create(Size::From(size_), SurfaceConfiguration::New(),
+                      [](ViewportMetricsPtr metrics) {});
     viewport_->Show();
 
     // Grab a ContextProvider associated with the viewport.