Use aura::WindowProperty for title and name strings.

ui/views/accessibility/ax_window_obj_wrapper.cc

Index: ui/views/accessibility/ax_window_obj_wrapper.cc
diff --git a/ui/views/accessibility/ax_window_obj_wrapper.cc b/ui/views/accessibility/ax_window_obj_wrapper.cc
index 7117443cc5c6203df3d26a73e6392a7a4766f141..c1059476a0ad88a89a17ffe2c6f5810deebb40be 100644
--- a/ui/views/accessibility/ax_window_obj_wrapper.cc
+++ b/ui/views/accessibility/ax_window_obj_wrapper.cc
@@ -51,7 +51,7 @@ 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());
 }