Make ui::Compositor use ui::Scheduler

ui/compositor/test/context_factories_for_test.cc

Index: ui/compositor/test/context_factories_for_test.cc
diff --git a/ui/compositor/test/context_factories_for_test.cc b/ui/compositor/test/context_factories_for_test.cc
index 10dba428e7a923bfea7899d214724a4ddb876302..7834a4dddcf498dedef160ff47c946a8bf6b2777 100644
--- a/ui/compositor/test/context_factories_for_test.cc
+++ b/ui/compositor/test/context_factories_for_test.cc
@@ -29,7 +29,8 @@ ui::ContextFactory* InitializeContextFactoryForTests(bool enable_pixel_output) {
     enable_pixel_output = true;
   if (enable_pixel_output)
     g_disable_null_draw = new gfx::DisableNullDrawGLBindings;
-  g_implicit_factory = new InProcessContextFactory();
+  bool context_factory_for_test = true;
+  g_implicit_factory = new InProcessContextFactory(context_factory_for_test);
   return g_implicit_factory;
 }