Remove IXFA_Parser, cleanup XFA parser code.

xfa/fxfa/parser/xfa_document_datamerger_imp.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/parser/xfa_document_datamerger_imp.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fde/xml/fde_xml_imp.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
 #include "xfa/fxfa/parser/xfa_basic_imp.h"
 #include "xfa/fxfa/parser/xfa_doclayout.h"
 #include "xfa/fxfa/parser/xfa_document.h"
 #include "xfa/fxfa/parser/xfa_document_layout_imp.h"
 #include "xfa/fxfa/parser/xfa_localemgr.h"
 #include "xfa/fxfa/parser/xfa_object.h"
-#include "xfa/fxfa/parser/xfa_parser.h"
 #include "xfa/fxfa/parser/xfa_parser_imp.h"
 #include "xfa/fxfa/parser/xfa_script.h"
 #include "xfa/fxfa/parser/xfa_script_imp.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
 namespace {
 
 class CXFA_TraverseStrategy_DDGroup {
  public:
   static CXFA_Node* GetFirstChild(CXFA_Node* pDDGroupNode) {
@@ skipping 495 matching lines @@
       subforms.Add(pNode);
       pNode = pNextNode;
     }
     pFormParent->RemoveChild(pExistingNode);
     pFormParent->InsertChild(pExistingNode);
     pExistingNode->ClearFlag(XFA_NodeFlag_UnusedNode);
     pExistingNode->SetTemplateNode(pTemplateNode);
     return pExistingNode;
   }
 
-  CXFA_Node* pNewNode = pDocument->GetParser()->GetFactory()->CreateNode(
-      XFA_XDPPACKET_Form, XFA_Element::InstanceManager);
-  ASSERT(pNewNode);
+  CXFA_Node* pNewNode =
+      pDocument->CreateNode(XFA_XDPPACKET_Form, XFA_Element::InstanceManager);
   wsInstMgrNodeName =
       FX_WSTRC(L"_") + pTemplateNode->GetCData(XFA_ATTRIBUTE_Name);
   pNewNode->SetCData(XFA_ATTRIBUTE_Name, wsInstMgrNodeName);
   pFormParent->InsertChild(pNewNode, nullptr);
   pNewNode->SetTemplateNode(pTemplateNode);
   return pNewNode;
 }
 
 CXFA_Node* FindMatchingDataNode(
     CXFA_Document* pDocument,
@@ skipping 975 matching lines @@
       pFormRoot->RemoveChild(pNode);
     pFormRoot->SetObject(XFA_ATTRIBUTE_BindingNode, nullptr);
   }
   m_rgGlobalBinding.RemoveAll();
   if (bDoDataMerge)
     DoDataMerge();
 
   CXFA_LayoutProcessor* pLayoutProcessor = GetLayoutProcessor();
   pLayoutProcessor->SetForceReLayout(TRUE);
 }