Use aura::WindowProperty for title and name strings.

ui/wm/public/tooltip_client.cc

 // 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.
 
 #include "ui/wm/public/tooltip_client.h"
 
 #include "ui/aura/window.h"
 #include "ui/aura/window_property.h"
 
 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::TooltipClient*)
-DECLARE_WINDOW_PROPERTY_TYPE(base::string16*)
 DECLARE_WINDOW_PROPERTY_TYPE(void**)
 
 namespace aura {
 namespace client {
 
 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
     TooltipClient*, kRootWindowTooltipClientKey, NULL);
 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(base::string16*, kTooltipTextKey, NULL);
 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(void*, kTooltipIdKey, NULL);
 
@@ skipping 21 matching lines @@
   base::string16* string_ptr = window->GetProperty(kTooltipTextKey);
   return string_ptr ? *string_ptr : base::string16();
 }
 
 const void* GetTooltipId(Window* window) {
   return window->GetProperty(kTooltipIdKey);
 }
 
 }  // namespace client
 }  // namespace aura