Break xfa_parser_imp apart

xfa/fxfa/app/xfa_ffwidgethandler.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/fxfa/include/xfa_ffwidgethandler.h"
 
 #include <vector>
 
 #include "xfa/fxfa/app/xfa_ffchoicelist.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
 #include "xfa/fxfa/include/xfa_ffdoc.h"
 #include "xfa/fxfa/include/xfa_ffdocview.h"
 #include "xfa/fxfa/include/xfa_ffwidget.h"
 #include "xfa/fxfa/parser/xfa_document_layout_imp.h"
-#include "xfa/fxfa/parser/xfa_parser_imp.h"
 
 CXFA_FFWidgetHandler::CXFA_FFWidgetHandler(CXFA_FFDocView* pDocView)
     : m_pDocView(pDocView) {}
 
 CXFA_FFWidgetHandler::~CXFA_FFWidgetHandler() {}
 
 FX_BOOL CXFA_FFWidgetHandler::OnMouseEnter(CXFA_FFWidget* hWidget) {
   m_pDocView->LockUpdate();
   FX_BOOL bRet = hWidget->OnMouseEnter();
   m_pDocView->UnlockUpdate();
@@ skipping 515 matching lines @@
 }
 
 CXFA_Document* CXFA_FFWidgetHandler::GetObjFactory() const {
   return GetXFADoc();
 }
 
 CXFA_Document* CXFA_FFWidgetHandler::GetXFADoc() const {
   return m_pDocView->GetDoc()->GetXFADoc();
 }