Add ImeMenuTray element.

ash/shelf/shelf_util.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/shelf/shelf_util.h"
 
 #include "ash/common/shelf/shelf_constants.h"
 #include "ui/aura/window_property.h"
 
 DECLARE_WINDOW_PROPERTY_TYPE(ash::ShelfItemDetails*);
 
 namespace ash {
 
 DEFINE_WINDOW_PROPERTY_KEY(ShelfID, kShelfID, kInvalidShelfID);
 
 // ShelfItemDetails for kShelfItemDetaildKey is owned by the window
 // and will be freed automatically.
 DEFINE_OWNED_WINDOW_PROPERTY_KEY(ShelfItemDetails, kShelfItemDetailsKey, NULL);
 
+DEFINE_WINDOW_PROPERTY_KEY(bool, kShelfItemOnTrayForImeMenu, false);
+
 void SetShelfIDForWindow(ShelfID id, aura::Window* window) {
   if (!window)
     return;
 
   window->SetProperty(kShelfID, id);
 }
 
 ShelfID GetShelfIDForWindow(const aura::Window* window) {
   DCHECK(window);
   return window->GetProperty(kShelfID);
@@ skipping 19 matching lines @@
 
 void ClearShelfItemDetailsForWindow(aura::Window* window) {
   window->ClearProperty(kShelfItemDetailsKey);
 }
 
 const ShelfItemDetails* GetShelfItemDetailsForWindow(aura::Window* window) {
   return window->GetProperty(kShelfItemDetailsKey);
 }
 
 }  // namespace ash