Use aura::WindowProperty for title and name strings.

ui/views/accessibility/ax_window_obj_wrapper.cc

 // Copyright 2014 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/views/accessibility/ax_window_obj_wrapper.h"
 
 #include <stddef.h>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_node_data.h"
@@ skipping 33 matching lines @@
   // Also consider any associated widgets as children.
   Widget* widget = Widget::GetWidgetForNativeView(window_);
   if (widget && widget->IsVisible())
     out_children->push_back(AXAuraObjCache::GetInstance()->GetOrCreate(widget));
 }
 
 void AXWindowObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
   out_node_data->id = GetID();
   out_node_data->role = is_alert_ ? ui::AX_ROLE_ALERT : ui::AX_ROLE_WINDOW;
   out_node_data->AddStringAttribute(ui::AX_ATTR_NAME,
-                                    base::UTF16ToUTF8(window_->title()));
+                                    base::UTF16ToUTF8(window_->GetTitle()));
   out_node_data->state = 0;
   out_node_data->location = gfx::RectF(window_->bounds());
 }
 
 int32_t AXWindowObjWrapper::GetID() {
   return AXAuraObjCache::GetInstance()->GetID(window_);
 }
 
 void AXWindowObjWrapper::OnWindowDestroyed(aura::Window* window) {
   AXAuraObjCache::GetInstance()->Remove(window, nullptr);
 }
 
 void AXWindowObjWrapper::OnWindowDestroying(aura::Window* window) {
   Widget* widget = Widget::GetWidgetForNativeView(window);
   if (widget)
     AXAuraObjCache::GetInstance()->Remove(widget);
 }
 
 void AXWindowObjWrapper::OnWindowHierarchyChanged(
     const HierarchyChangeParams& params) {
   if (params.phase == WindowObserver::HierarchyChangeParams::HIERARCHY_CHANGED)
     AXAuraObjCache::GetInstance()->Remove(params.target, params.old_parent);
 }
 
 }  // namespace views