Rework ash::CursorManager into a corewm object, to share code with desktop.

ash/wm/power_button_controller_unittest.cc

 // Copyright (c) 2012 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/wm/power_button_controller.h"
 #include "ash/wm/session_state_animator.h"
 #include "ash/wm/session_state_controller.h"
 #include "ash/wm/session_state_controller_impl.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_shell_delegate.h"
-#include "ash/wm/cursor_manager.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace ash {
@@ skipping 600 matching lines @@
 
   // After increasing the brightness to 10%, we should start the timer like
   // usual.
   controller_->OnScreenBrightnessChanged(10.0);
   controller_->OnPowerButtonEvent(true, base::TimeTicks::Now());
   EXPECT_TRUE(test_api_->lock_timer_is_running());
 }
 
 }  // namespace test
 }  // namespace ash