[mus+ash] Removes WmWindow from ash/shelf and ash/shell

ash/wm/drag_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/drag_window_resizer.h"
 
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/shell.h"
 #include "ash/wm/drag_window_controller.h"
 #include "ash/wm/window_positioning_utils.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
-#include "ash/wm_window.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.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/display/screen.h"
 #include "ui/wm/core/coordinate_conversion.h"
@@ skipping 134 matching lines @@
   drag_window_controller_->Update(bounds_in_screen, drag_location_in_screen);
 }
 
 bool DragWindowResizer::ShouldAllowMouseWarp() {
   return details().window_component == HTCAPTION &&
          !::wm::GetTransientParent(GetTarget()) &&
          wm::IsWindowUserPositionable(GetTarget());
 }
 
 }  // namespace ash