Separates out accelerators using non-common types

ash/common/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/common/wm/window_positioning_utils.h"
 
 #include <algorithm>
 
+#include "ash/common/wm/window_state.h"
+#include "ash/common/wm/wm_event.h"
 #include "ash/common/wm/wm_screen_util.h"
 #include "ash/common/wm_window.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace ash {
 namespace wm {
 
 namespace {
 
@@ skipping 51 matching lines @@
                    work_area_in_parent.height());
 }
 
 gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(WmWindow* window) {
   gfx::Rect work_area_in_parent(GetDisplayWorkAreaBoundsInParent(window));
   int width = GetDefaultSnappedWindowWidth(window);
   return gfx::Rect(work_area_in_parent.right() - width, work_area_in_parent.y(),
                    width, work_area_in_parent.height());
 }
 
+void CenterWindow(WmWindow* window) {
+  WMEvent event(WM_EVENT_CENTER);
+  window->GetWindowState()->OnWMEvent(&event);
+}
+
 }  // namespace wm
 }  // namespace ash