Revert of Replaced BackgroundAnimator with ShelfBackgroundAnimator.

ash/common/system/chromeos/power/power_status_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/system/chromeos/power/power_status.h"
 
 #include <memory>
 
 #include "ash/common/material_design/material_design_controller.h"
-#include "ash/common/test/material_design_controller_test_api.h"
+#include "ash/test/material_design_controller_test_api.h"
 #include "base/message_loop/message_loop.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 using power_manager::PowerSupplyProperties;
 
 namespace ash {
 namespace {
 
@@ skipping 324 matching lines @@
       11,
       power_status_->GetBatteryImageInfo(PowerStatus::ICON_LIGHT).charge_level);
   prop.set_battery_percent(100.0);
   power_status_->SetProtoForTesting(prop);
   EXPECT_EQ(
       12,
       power_status_->GetBatteryImageInfo(PowerStatus::ICON_LIGHT).charge_level);
 }
 
 }  // namespace ash