Split fxfa_objectacc.h into pieces.

xfa/fxfa/parser/cxfa_text.cpp

 // Copyright 2016 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 "core/fpdfapi/fpdf_parser/cpdf_null.h"
+#include "xfa/fxfa/parser/cxfa_text.h"
 
-CPDF_Null::CPDF_Null() {}
+#include "xfa/fxfa/parser/xfa_object.h"
 
-CPDF_Object::Type CPDF_Null::GetType() const {
-  return NULLOBJ;
+CXFA_Text::CXFA_Text(CXFA_Node* pNode) : CXFA_Data(pNode) {}
+
+void CXFA_Text::GetContent(CFX_WideString& wsText) {
+  m_pNode->TryContent(wsText);
 }
-
-CPDF_Object* CPDF_Null::Clone(FX_BOOL bDirect) const {
-  return new CPDF_Null;
-}