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

ash/wm/window_positioner_unittest.cc

 // Copyright 2013 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_positioner.h"
 
 #include <string>
 
 #include "ash/scoped_root_window_for_new_windows.h"
 #include "ash/shell.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/shell_port.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_shell_delegate.h"
 #include "ash/wm/window_positioner.h"
 #include "ash/wm/window_state.h"
-#include "ash/wm_window.h"
 #include "base/strings/string_number_conversions.h"
 #include "ui/display/screen.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace ash {
 
 using WindowPositionerTest = test::AshTestBase;
 
 TEST_F(WindowPositionerTest, OpenMaximizedWindowOnSecondDisplay) {
@@ skipping 175 matching lines @@
   widget1->SetFullscreen(false);
   ASSERT_EQ("300x300", widget1->GetWindowBoundsInScreen().size().ToString());
 
   // Closing 2nd widget triggers the rearrange logic but the 1st
   // widget should stay in the current size.
   widget2->CloseNow();
   ASSERT_EQ("300x300", widget1->GetWindowBoundsInScreen().size().ToString());
 }
 
 }  // namespace ash