Remove foxitlib.h and foxitxfa.h and IWYU.

xfa/src/fwl/src/core/fwl_appimp.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/fwl/src/core/include/fwl_appimp.h"
 
 #include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
 #include "xfa/include/fwl/core/fwl_app.h"
 #include "xfa/include/fwl/core/fwl_widget.h"
-#include "xfa/src/foxitlib.h"
 #include "xfa/src/fwl/src/core/include/fwl_noteimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_targetimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_threadimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_widgetmgrimp.h"
 
 IFWL_App* IFWL_App::Create(IFWL_AdapterNative* pAdapter) {
   IFWL_App* pApp = new IFWL_App;
   pApp->SetImpl(new CFWL_AppImp(pApp, pAdapter));
   return pApp;
 }
@@ skipping 83 matching lines @@
   IFWL_NoteThread* pNoteTread = pWidget->GetOwnerThread();
   if (!pNoteTread)
     return FWL_ERR_Succeeded;
   CFWL_NoteDriver* pNoteDriver =
       static_cast<CFWL_NoteDriver*>(pNoteTread->GetNoteDriver());
   if (!pNoteTread)
     return FWL_ERR_Succeeded;
   pNoteDriver->NotifyFullScreenMode(pWidget, bFullScreen);
   return FWL_GetAdapterWidgetMgr()->SetFullScreen(pWidget, bFullScreen);
 }