Move root_window.* to window_event_dispatcher.*

ash/wm/window_resizer.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/window_resizer.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/dock/docked_window_layout_manager.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
-#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 
 namespace ash {
 
 namespace {
 
@@ skipping 321 matching lines @@
     if (height > max_height) {
       height = max_height;
       *delta_y = -y_multiplier * (details().initial_bounds_in_parent.height() -
                                   max_height);
     }
   }
   return height;
 }
 
 }  // namespace ash