Add ImeMenuTray element.

ash/shelf/shelf_util.h

 // 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.
 
 #ifndef ASH_SHELF_SHELF_UTIL_H_
 #define ASH_SHELF_SHELF_UTIL_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/shelf/shelf_item_types.h"
 #include "ash/common/shelf/shelf_types.h"
 #include "base/strings/string16.h"
 #include "ui/aura/window.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
 
 // A property key to store the id of the ShelfItem associated with the window.
 extern const aura::WindowProperty<ShelfID>* const kShelfID;
 
 // A property key to store the resource id and title of the item shown on the
 // shelf for this window.
 extern const aura::WindowProperty<ShelfItemDetails*>* const
     kShelfItemDetailsKey;
 
+// A property key to indicate that the item should should be shown on tray
+// instead of shelf, which is only used for IME menu.
+ASH_EXPORT extern const aura::WindowProperty<bool>* const
+    kShelfItemOnTrayForImeMenu;
+
 // Associates ShelfItem of |id| with specified |window|.
 ASH_EXPORT void SetShelfIDForWindow(ShelfID id, aura::Window* window);
 
 // Returns the id of the ShelfItem associated with the specified |window|,
 // or 0 if there isn't one.
 // Note: Window of a tabbed browser will return the |ShelfID| of the
 // currently active tab.
 ASH_EXPORT ShelfID GetShelfIDForWindow(const aura::Window* window);
 
 // Creates a new ShelfItemDetails instance from |details| and sets it for
@@ skipping 13 matching lines @@
 ASH_EXPORT void ClearShelfItemDetailsForWindow(aura::Window* window);
 
 // Returns ShelfItemDetails for |window| or NULL if it doesn't have.
 // Returned ShelfItemDetails object is owned by the |window|.
 ASH_EXPORT const ShelfItemDetails* GetShelfItemDetailsForWindow(
     aura::Window* window);
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_UTIL_H_