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

ash/wm/window_positioning_utils.cc

 // Copyright 2016 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_positioning_utils.h"
 
 #include <algorithm>
 
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/wm/system_modal_container_layout_manager.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/wm_event.h"
-#include "ash/wm_window.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_tracker.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/display/types/display_constants.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/wm/core/window_util.h"
@@ skipping 176 matching lines @@
   const gfx::Point display_origin = display::Screen::GetScreen()
                                         ->GetDisplayNearestWindow(window)
                                         .bounds()
                                         .origin();
   origin.Offset(-display_origin.x(), -display_origin.y());
   window->SetBounds(gfx::Rect(origin, bounds_in_screen.size()));
 }
 
 }  // namespace wm
 }  // namespace ash