Move xfa/include/fwl/{theme,lightwidget} to xfa/fwl

xfa/fwl/lightwidget/cfwl_app.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 "xfa/include/fwl/lightwidget/app.h"
+#include "xfa/fwl/lightwidget/cfwl_app.h"
 
 #include "core/fxcrt/include/fx_coordinates.h"
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fwl/core/ifwl_app.h"
-#include "xfa/include/fwl/lightwidget/theme.h"
+#include "xfa/fwl/lightwidget/cfwl_theme.h"
 
 CFWL_App::CFWL_App() : m_pIface(IFWL_App::Create(nullptr)), m_pTheme(nullptr) {}
+
 CFWL_App::~CFWL_App() {
   if (m_pTheme) {
     m_pTheme->Finalize();
     delete m_pTheme;
-    m_pTheme = NULL;
   }
   m_pIface->Release();
 }
+
 FWL_ERR CFWL_App::Initialize() {
   m_pTheme = new CFWL_Theme;
   m_pTheme->Initialize();
   m_pIface->SetThemeProvider(m_pTheme);
   return m_pIface->Initialize();
 }
+
 FWL_ERR CFWL_App::Exit(int32_t iExitCode) {
   if (!m_pIface)
     return FWL_ERR_Indefinite;
   return m_pIface->Exit(iExitCode);
 }