De-Client Surface interface

services/native_viewport/viewport_surface.cc

Index: services/native_viewport/viewport_surface.cc
diff --git a/services/native_viewport/viewport_surface.cc b/services/native_viewport/viewport_surface.cc
index 1ca886d8de1df1059aad9ec1be48802e8829722a..5cee11b47f1bfbba29e7d0984baa3cf54c99dcc3 100644
--- a/services/native_viewport/viewport_surface.cc
+++ b/services/native_viewport/viewport_surface.cc
@@ -28,7 +28,6 @@ ViewportSurface::ViewportSurface(mojo::SurfacePtr surface,
       gles2_bound_surface_created_(false),
       child_id_(child_id),
       weak_factory_(this) {
-  surface_.set_client(this);
 }
 
 ViewportSurface::~ViewportSurface() {
@@ -104,15 +103,4 @@ void ViewportSurface::SubmitFrame() {
                         mojo::Closure());
 }
 
-void ViewportSurface::SetIdNamespace(uint32_t id_namespace) {
-  // We never pass our surface ID to anyone else, so we never need to generate a
-  // fully qualified id and thus don't care about our namespace.
-}
-
-void ViewportSurface::ReturnResources(
-    mojo::Array<mojo::ReturnedResourcePtr> resources) {
-  // We never submit resources so we should never get any back.
-  DCHECK_EQ(0u, resources.size());
-}
-
 }  // namespace native_viewport