Plumb SetVisible from ui::Compositor to the DirectRenderer.

cc/test/test_delegating_output_surface.cc

Index: cc/test/test_delegating_output_surface.cc
diff --git a/cc/test/test_delegating_output_surface.cc b/cc/test/test_delegating_output_surface.cc
index 88b94ece6c434d737cce4e90e3b669ff4ef966f3..90b8d3005a62442f4aae1881a64122833d66db91 100644
--- a/cc/test/test_delegating_output_surface.cc
+++ b/cc/test/test_delegating_output_surface.cc
@@ -92,6 +92,7 @@ bool TestDelegatingOutputSurface::BindToClient(OutputSurfaceClient* client) {
       surface_id_allocator_->client_id(), this);
   display_->Initialize(this, surface_manager_.get(),
                        surface_id_allocator_->client_id());
+  display_->SetVisible(true);
   bound_ = true;
   return true;
 }