Remove foxitlib.h and foxitxfa.h and IWYU.

xfa/src/fxfa/src/app/xfa_ffapp.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/src/fxfa/src/app/xfa_ffapp.h"
 
 #include <algorithm>
 
 #include "xfa/include/fwl/core/fwl_widgetmgr.h"
-#include "xfa/src/foxitlib.h"
 #include "xfa/src/fxfa/src/app/xfa_ffdoc.h"
 #include "xfa/src/fxfa/src/app/xfa_ffdochandler.h"
 #include "xfa/src/fxfa/src/app/xfa_ffwidgethandler.h"
 #include "xfa/src/fxfa/src/app/xfa_fontmgr.h"
 #include "xfa/src/fxfa/src/app/xfa_fwladapter.h"
 #include "xfa/src/fxfa/src/app/xfa_fwltheme.h"
 
 CXFA_FileRead::CXFA_FileRead(const CFX_ArrayTemplate<CPDF_Stream*>& streams) {
   int32_t iCount = streams.GetSize();
   for (int32_t i = 0; i < iCount; i++) {
@@ skipping 159 matching lines @@
 }
 IFWL_AdapterThreadMgr* CXFA_FFApp::GetThreadMgr() {
   if (!m_pAdapterThreadMgr) {
     m_pAdapterThreadMgr = new CFWL_SDAdapterThreadMgr;
   }
   return m_pAdapterThreadMgr;
 }
 IFWL_AdapterTimerMgr* CXFA_FFApp::GetTimerMgr() {
   return m_pProvider->GetTimerMgr();
 }