Move root_window.* to window_event_dispatcher.*

ash/wm/workspace/phantom_window_controller.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/workspace/phantom_window_controller.h"
 
 #include <math.h>
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "grit/ash_resources.h"
 #include "third_party/skia/include/core/SkCanvas.h"
-#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/views/background.h"
 #include "ui/views/painter.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
@@ skipping 257 matching lines @@
   ui::ScopedLayerAnimationSettings scoped_setter(widget_layer->GetAnimator());
   scoped_setter.SetTransitionDuration(
       base::TimeDelta::FromMilliseconds(kAnimationDurationMs));
   widget_layer->SetOpacity(1);
 
   return phantom_widget.Pass();
 }
 
 }  // namespace internal
 }  // namespace ash