Add ImeMenuTray element.

ui/aura/client/aura_constants.h

 // Copyright (c) 2012 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 UI_AURA_CLIENT_AURA_CONSTANTS_H_
 #define UI_AURA_CLIENT_AURA_CONSTANTS_H_
 
 #include "ui/aura/aura_export.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_types.h"
@@ skipping 27 matching lines @@
 AURA_EXPORT extern const WindowProperty<bool>* const kConstrainedWindowKey;
 
 // A property key to indicate that a window should show that it deserves
 // attention.
 AURA_EXPORT extern const aura::WindowProperty<bool>* const kDrawAttentionKey;
 
 // A property key to indicate that a window should be excluded from the most
 // recently used windows list.
 AURA_EXPORT extern const aura::WindowProperty<bool>* const kExcludeFromMruKey;
 
+// A property key to indicate that a window icon should be shown on the tray
+// rather than shelf.
+AURA_EXPORT extern const aura::WindowProperty<bool>* const kShowIconOnTrayKey;
+

[sadrul, 2016/06/27 15:08:05]

This key should go somewhere in ash/shelf/, not in here.

[Azure Wei, 2016/06/27 18:33:49]

Moved to ash/shelf/shelf_util.* 

 // A property key to store the host window of a window. This lets
 // WebContentsViews find the windows that should constrain NPAPI plugins.
 AURA_EXPORT extern const WindowProperty<Window*>* const kHostWindowKey;
 
 // A property key to store the window modality.
 AURA_EXPORT extern const WindowProperty<ui::ModalType>* const kModalKey;
 
 // A property key to store the restore bounds for a window.
 AURA_EXPORT extern const WindowProperty<gfx::Rect*>* const kRestoreBoundsKey;
 
@@ skipping 12 matching lines @@
 // view is the tab strip for tabbed browser windows, the toolbar for popups,
 // the web contents for app windows and varies for fullscreen windows.
 AURA_EXPORT extern const aura::WindowProperty<int>* const kTopViewInset;
 
 // Alphabetical sort.
 
 }  // namespace client
 }  // namespace aura
 
 #endif  // UI_AURA_CLIENT_AURA_CONSTANTS_H_