Use aura::WindowProperty for title and name strings.

ui/views/widget/native_widget_aura.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/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 354 matching lines @@
     ui::WindowShowState* show_state) const {
   // The interface specifies returning restored bounds, not current bounds.
   *bounds = GetRestoredBounds();
   *show_state = window_ ? window_->GetProperty(aura::client::kShowStateKey) :
       ui::SHOW_STATE_DEFAULT;
 }
 
 bool NativeWidgetAura::SetWindowTitle(const base::string16& title) {
   if (!window_)
     return false;
-  if (window_->title() == title)
+  if (window_->GetTitle() == title)
     return false;
   window_->SetTitle(title);
   return true;
 }
 
 void NativeWidgetAura::SetWindowIcons(const gfx::ImageSkia& window_icon,
                                       const gfx::ImageSkia& app_icon) {
   AssignIconToAuraWindow(window_, window_icon, app_icon);
 }
 
@@ skipping 381 matching lines @@
                        GetWidget()->widget_delegate()->CanMinimize());
   window_->SetProperty(aura::client::kCanResizeKey,
                        GetWidget()->widget_delegate()->CanResize());
 }
 
 void NativeWidgetAura::RepostNativeEvent(gfx::NativeEvent native_event) {
   OnEvent(native_event);
 }
 
 std::string NativeWidgetAura::GetName() const {
-  return window_ ? window_->name() : std::string();
+  return window_ ? window_->GetName() : std::string();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, aura::WindowDelegate implementation:
 
 gfx::Size NativeWidgetAura::GetMinimumSize() const {
   return delegate_->GetMinimumSize();
 }
 
 gfx::Size NativeWidgetAura::GetMaximumSize() const {
@@ skipping 428 matching lines @@
     gfx::NativeView native_view) {
   aura::client::CaptureClient* capture_client =
       aura::client::GetCaptureClient(native_view->GetRootWindow());
   if (!capture_client)
     return nullptr;
   return capture_client->GetGlobalCaptureWindow();
 }
 
 }  // namespace internal
 }  // namespace views