Reify view ownership as a message pipe.

apps/moterm/moterm_view.cc

Index: apps/moterm/moterm_view.cc
diff --git a/apps/moterm/moterm_view.cc b/apps/moterm/moterm_view.cc
index 4f992cc983e5fafbecb2a80e6306767de7729293..30b8e9434a172b9e72d468ae2163012baa4dac4c 100644
--- a/apps/moterm/moterm_view.cc
+++ b/apps/moterm/moterm_view.cc
@@ -38,9 +38,9 @@ constexpr uint32_t kRootNodeId = mojo::gfx::composition::kSceneRootNodeId;
 
 MotermView::MotermView(
     mojo::ApplicationImpl* app_impl,
-    mojo::InterfaceRequest<mojo::ServiceProvider> service_provider_request,
-    const mojo::ui::ViewProvider::CreateViewCallback& create_view_callback)
-    : GaneshView(app_impl, "Moterm", create_view_callback),
+    mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
+    mojo::InterfaceRequest<mojo::ServiceProvider> service_provider_request)
+    : GaneshView(app_impl, view_owner_request.Pass(), "Moterm"),
       choreographer_(scene(), this),
       input_handler_(view_service_provider(), this),
       model_(MotermModel::Size(240, 160), MotermModel::Size(24, 80), this),