Revert 120092 - Reland 120074 -- Disable animations during aura tests.

ash/wm/visibility_controller_unittest.cc

Index: ash/wm/visibility_controller_unittest.cc
===================================================================
--- ash/wm/visibility_controller_unittest.cc	(revision 120096)
+++ ash/wm/visibility_controller_unittest.cc	(working copy)
@@ -8,7 +8,6 @@
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
-#include "ui/gfx/compositor/layer_animator.h"
 
 namespace ash {
 namespace internal {
@@ -18,9 +17,6 @@
 // Hiding a window in an animatable container should not hide the window's layer
 // immediately.
 TEST_F(VisibilityControllerTest, AnimateHideDoesntHideWindowLayer) {
-  // We cannot disable animations for this test.
-  ui::LayerAnimator::set_disable_animations_for_test(false);
-
   scoped_ptr<aura::Window> container(
       aura::test::CreateTestWindowWithId(-1, NULL));
   SetChildWindowVisibilityChangesAnimated(container.get());