Use aura::WindowProperty for title and name strings.

ash/aura/wm_window_aura.cc

 // Copyright 2016 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 "ash/aura/wm_window_aura.h"
 
 #include "ash/aura/aura_layout_manager_adapter.h"
 #include "ash/aura/wm_root_window_controller_aura.h"
 #include "ash/aura/wm_shell_aura.h"
 #include "ash/common/ash_constants.h"
@@ skipping 141 matching lines @@
 
 WmShell* WmWindowAura::GetShell() const {
   return WmShell::Get();
 }
 
 void WmWindowAura::SetName(const char* name) {
   window_->SetName(name);
 }
 
 std::string WmWindowAura::GetName() const {
-  return window_->name();
+  return window_->GetName();
 }
 
 void WmWindowAura::SetTitle(const base::string16& title) {
   window_->SetTitle(title);
 }
 
 base::string16 WmWindowAura::GetTitle() const {
-  return window_->title();
+  return window_->GetTitle();
 }
 
 void WmWindowAura::SetShellWindowId(int id) {
   window_->set_id(id);
 }
 
 int WmWindowAura::GetShellWindowId() const {
   return window_->id();
 }
 
@@ skipping 763 matching lines @@
     observer.OnTransientChildAdded(this, Get(transient));
 }
 
 void WmWindowAura::OnTransientChildRemoved(aura::Window* window,
                                            aura::Window* transient) {
   for (auto& observer : transient_observers_)
     observer.OnTransientChildRemoved(this, Get(transient));
 }
 
 }  // namespace ash