Use aura::WindowProperty for title and name strings.

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 <string>
 
+#include "base/strings/string16.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_types.h"
 
 namespace ui {
 class InputMethod;
 }
 
 namespace aura {
@@ skipping 42 matching lines @@
 // should render regardless of its actual visibility state.
 AURA_EXPORT extern const aura::WindowProperty<bool>* const kMirroringEnabledKey;
 
 // 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 name of the window; mostly used for debugging.
+AURA_EXPORT extern const WindowProperty<std::string*>* const kNameKey;
+
 // A property key to store the restore bounds for a window.
 AURA_EXPORT extern const WindowProperty<gfx::Rect*>* const kRestoreBoundsKey;
 
 // A property key to store ui::WindowShowState for restoring a window.
 // Used in Ash to remember the show state before the window was minimized.
 AURA_EXPORT extern const WindowProperty<ui::WindowShowState>* const
     kRestoreShowStateKey;
 
 // A property key to store ui::WindowShowState for a window.
 // See ui/base/ui_base_types.h for its definition.
 AURA_EXPORT extern const WindowProperty<ui::WindowShowState>* const
     kShowStateKey;
 
+// A property key to store the title of the window; sometimes shown to users.
+AURA_EXPORT extern const WindowProperty<base::string16*>* const kTitleKey;
+
 // The inset of the topmost view in the client view from the top of the
 // non-client view. The topmost view depends on the window type. The topmost
 // 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;
 
 // The color of the window header.
 AURA_EXPORT extern const aura::WindowProperty<SkColor>* const kTopViewColor;
 
 // A property key to store the window icon, typically 16x16 for title bars.
 AURA_EXPORT extern const WindowProperty<gfx::ImageSkia*>* const kWindowIconKey;
 
 // Alphabetical sort.
 
 }  // namespace client
 }  // namespace aura
 
 #endif  // UI_AURA_CLIENT_AURA_CONSTANTS_H_