Composite to cc::Display from ui::InProcessContextFactory.

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 7834a4dddcf498dedef160ff47c946a8bf6b2777..12da2da2659ff396b8e562069a098ef2e9fce93b 100644
--- a/ui/compositor/test/context_factories_for_test.cc
+++ b/ui/compositor/test/context_factories_for_test.cc
@@ -30,7 +30,8 @@ ui::ContextFactory* InitializeContextFactoryForTests(bool enable_pixel_output) {
   if (enable_pixel_output)
     g_disable_null_draw = new gfx::DisableNullDrawGLBindings;
   bool context_factory_for_test = true;
-  g_implicit_factory = new InProcessContextFactory(context_factory_for_test);
+  g_implicit_factory =
+      new InProcessContextFactory(context_factory_for_test, nullptr);
   return g_implicit_factory;
 }