Remove foxitlib.h and foxitxfa.h and IWYU.

xfa/src/fwl/src/lightwidget/theme.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/theme.h"
 
 #include <algorithm>
 
 #include "xfa/include/fwl/theme/barcodetp.h"
 #include "xfa/include/fwl/theme/carettp.h"
 #include "xfa/include/fwl/theme/checkboxtp.h"
 #include "xfa/include/fwl/theme/comboboxtp.h"
 #include "xfa/include/fwl/theme/datetimepickertp.h"
 #include "xfa/include/fwl/theme/edittp.h"
 #include "xfa/include/fwl/theme/formtp.h"
 #include "xfa/include/fwl/theme/listboxtp.h"
 #include "xfa/include/fwl/theme/monthcalendartp.h"
 #include "xfa/include/fwl/theme/pictureboxtp.h"
 #include "xfa/include/fwl/theme/pushbuttontp.h"
 #include "xfa/include/fwl/theme/scrollbartp.h"
-#include "xfa/src/foxitlib.h"
 
 CFWL_Theme::CFWL_Theme() {
   m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_FormTP));
   m_ThemesArray.push_back(
       std::unique_ptr<CFWL_WidgetTP>(new CFWL_PushButtonTP));
   m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_CheckBoxTP));
   m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ListBoxTP));
   m_ThemesArray.push_back(
       std::unique_ptr<CFWL_WidgetTP>(new CFWL_PictureBoxTP));
   m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ScrollBarTP));
@@ skipping 93 matching lines @@
   return FWL_ERR_Succeeded;
 }
 
 CFWL_WidgetTP* CFWL_Theme::GetTheme(IFWL_Widget* pWidget) {
   for (const auto& pTheme : m_ThemesArray) {
     if (pTheme->IsValidWidget(pWidget))
       return pTheme.get();
   }
   return nullptr;
 }