Merge to XFA: Switch from nonstd::unique_ptr to std::unique_ptr.

xfa/src/fwl/src/lightwidget/checkbox.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <memory>
+
 #include "../../../foxitlib.h"
+
 CFWL_CheckBox* CFWL_CheckBox::Create() {
   return new CFWL_CheckBox;
 }
 FWL_ERR CFWL_CheckBox::Initialize(const CFWL_WidgetProperties* pProperties) {
   if (m_pIface)
     return FWL_ERR_Indefinite;
   if (pProperties) {
     *m_pProperties = *pProperties;
   }
-  nonstd::unique_ptr<IFWL_CheckBox> pCheckBox(IFWL_CheckBox::Create(
+  std::unique_ptr<IFWL_CheckBox> pCheckBox(IFWL_CheckBox::Create(
       m_pProperties->MakeWidgetImpProperties(&m_checkboxData), nullptr));
   FWL_ERR ret = pCheckBox->Initialize();
   if (ret != FWL_ERR_Succeeded) {
     return ret;
   }
   m_pIface = pCheckBox.release();
   CFWL_Widget::Initialize();
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_CheckBox::SetCaption(const CFX_WideStringC& wsCaption) {
@@ skipping 15 matching lines @@
 CFWL_CheckBox::CFWL_CheckBoxDP::CFWL_CheckBoxDP()
     : m_fBoxHeight(16.0f), m_wsCaption(L"Check box") {}
 FWL_ERR CFWL_CheckBox::CFWL_CheckBoxDP::GetCaption(IFWL_Widget* pWidget,
                                                    CFX_WideString& wsCaption) {
   wsCaption = m_wsCaption;
   return FWL_ERR_Succeeded;
 }
 FX_FLOAT CFWL_CheckBox::CFWL_CheckBoxDP::GetBoxSize(IFWL_Widget* pWidget) {
   return m_fBoxHeight;
 }