Move root_window.* to window_event_dispatcher.*

ash/wm/workspace/phantom_window_controller_unittest.cc

 // Copyright 2014 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 "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/command_line.h"
-#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_observer.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace internal {
 
 namespace {
 
 // Returns true if |window| is non-NULL and is visible.
 bool IsVisible(aura::Window* window) {
@@ skipping 144 matching lines @@
       phantom_window_in_target_root());
   WindowDeletionObserver start_deletion_observer(
       phantom_window_in_start_root());
   DeleteController();
   EXPECT_FALSE(target_deletion_observer.IsWindowAlive());
   EXPECT_FALSE(start_deletion_observer.IsWindowAlive());
 }
 
 }  // namespace internal
 }  // namespace ash