Plumb SetVisible from ui::Compositor to the DirectRenderer.

ui/compositor/test/in_process_context_factory.cc

Index: ui/compositor/test/in_process_context_factory.cc
diff --git a/ui/compositor/test/in_process_context_factory.cc b/ui/compositor/test/in_process_context_factory.cc
index 6e9b9618280d83a65f3feb25c87b83a385ccf9a6..93758c858220fab42c8da22b18966ae0d875f413 100644
--- a/ui/compositor/test/in_process_context_factory.cc
+++ b/ui/compositor/test/in_process_context_factory.cc
@@ -255,6 +255,13 @@ cc::SurfaceManager* InProcessContextFactory::GetSurfaceManager() {
   return surface_manager_;
 }
 
+void InProcessContextFactory::SetDisplayVisible(ui::Compositor* compositor,
+                                                bool visible) {
+  if (!per_compositor_data_.count(compositor))
+    return;
+  per_compositor_data_[compositor]->SetVisible(visible);
+}
+
 void InProcessContextFactory::ResizeDisplay(ui::Compositor* compositor,
                                             const gfx::Size& size) {
   if (!per_compositor_data_.count(compositor))