Reify view ownership as a message pipe.

apps/moterm/moterm_app.cc

Index: apps/moterm/moterm_app.cc
diff --git a/apps/moterm/moterm_app.cc b/apps/moterm/moterm_app.cc
index efdb0fa6c22eef2aa5b0a198b2d04b499bc68113..e8d2e2dbd58efa683578f1a682ca56f92ea7144a 100644
--- a/apps/moterm/moterm_app.cc
+++ b/apps/moterm/moterm_app.cc
@@ -10,11 +10,10 @@ MotermApp::MotermApp() {}
 
 MotermApp::~MotermApp() {}
 
-bool MotermApp::CreateView(
+void MotermApp::CreateView(
     const std::string& connection_url,
+    mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
     mojo::InterfaceRequest<mojo::ServiceProvider> services,
-    mojo::ServiceProviderPtr exposed_services,
-    const mojo::ui::ViewProvider::CreateViewCallback& callback) {
-  new MotermView(app_impl(), services.Pass(), callback);
-  return true;
+    mojo::ServiceProviderPtr exposed_services) {
+  new MotermView(app_impl(), view_owner_request.Pass(), services.Pass());
 }