Routes WindowManager functionality through the view manager

mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc

Index: mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc
diff --git a/mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc b/mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc
index 9a3c022d86a3a104b2d6ad42a0095a743d17a0bf..b0d4b33b09e3040aa2142b2f02bca58335f68d26 100644
--- a/mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc
+++ b/mojo/services/view_manager/public/cpp/lib/view_manager_client_impl.cc
@@ -172,8 +172,8 @@ void ViewManagerClientImpl::SetSurfaceId(Id view_id, SurfaceIdPtr surface_id) {
 void ViewManagerClientImpl::SetFocus(Id view_id) {
   // In order for us to get here we had to have exposed a view, which implies we
   // got a connection.
-  DCHECK(window_manager_.get());
-  window_manager_->FocusWindow(view_id, ActionCompletedCallback());
+  DCHECK(service_);
+  service_->PerformAction(view_id, "focus", ActionCompletedCallback());
 }
 
 void ViewManagerClientImpl::SetVisible(Id view_id, bool visible) {
@@ -418,6 +418,14 @@ void ViewManagerClientImpl::OnViewInputEvent(
   ack_callback.Run();
 }
 
+void ViewManagerClientImpl::OnPerformAction(
+    Id view_id,
+    const String& name,
+    const Callback<void(bool)>& callback) {
+  View* view = GetViewById(view_id);
+  callback.Run(delegate_->OnPerformAction(view, name));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // ViewManagerClientImpl, WindowManagerObserver implementation: