Remove xfa/src/fwl/src and move code up a level.

xfa/src/fwl/lightwidget/edit.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/edit.h"
 
 #include <memory>
 
@@ skipping 190 matching lines @@
                                    std::vector<CFX_ByteString>& sSuggest) {
   return static_cast<IFWL_Edit*>(m_pIface)->GetSuggestWords(pointf, sSuggest);
 }
 FX_BOOL CFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
                                          const CFX_ByteStringC& bsReplace) {
   return static_cast<IFWL_Edit*>(m_pIface)
       ->ReplaceSpellCheckWord(pointf, bsReplace);
 }
 CFWL_Edit::CFWL_Edit() {}
 CFWL_Edit::~CFWL_Edit() {}