Make ui::Compositor use ui::Scheduler

ui/compositor/test/test_compositor_host_ozone.cc

Index: ui/compositor/test/test_compositor_host_ozone.cc
diff --git a/ui/compositor/test/test_compositor_host_ozone.cc b/ui/compositor/test/test_compositor_host_ozone.cc
index f0437d9da48d39c1cdaedefdfc875c3cc00c2c16..aed3f2179fb3f4c79607566e03b849f429a2ed82 100644
--- a/ui/compositor/test/test_compositor_host_ozone.cc
+++ b/ui/compositor/test/test_compositor_host_ozone.cc
@@ -27,8 +27,6 @@ class TestCompositorHostOzone : public TestCompositorHost {
   void Show() override;
   ui::Compositor* GetCompositor() override;
 
-  void Draw();
-
   gfx::Rect bounds_;
 
   ui::ContextFactory* context_factory_;
@@ -64,11 +62,6 @@ ui::Compositor* TestCompositorHostOzone::GetCompositor() {
   return compositor_.get();
 }
 
-void TestCompositorHostOzone::Draw() {
-  if (compositor_.get())
-    compositor_->Draw();
-}
-
 // static
 TestCompositorHost* TestCompositorHost::Create(
     const gfx::Rect& bounds,