Remove IFDE_XML* classes.

xfa/fxfa/app/xfa_ffdochandler.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/app/xfa_ffdochandler.h"
 
 #include "xfa/fxfa/app/xfa_ffdoc.h"
 #include "xfa/fxfa/parser/xfa_script.h"
@@ skipping 22 matching lines @@
 IXFA_DocView* CXFA_FFDocHandler::CreateDocView(IXFA_Doc* hDoc,
                                                uint32_t dwView) {
   return static_cast<CXFA_FFDoc*>(hDoc)->CreateDocView(dwView);
 }
 int32_t CXFA_FFDocHandler::CountPackages(IXFA_Doc* hDoc) {
   return 0;
 }
 void CXFA_FFDocHandler::GetPackageName(IXFA_Doc* hDoc,
                                        int32_t iPackage,
                                        CFX_WideStringC& wsPackage) {}
-IFDE_XMLElement* CXFA_FFDocHandler::GetPackageData(
+CFDE_XMLElement* CXFA_FFDocHandler::GetPackageData(
     IXFA_Doc* hDoc,
     const CFX_WideStringC& wsPackage) {
   return static_cast<CXFA_FFDoc*>(hDoc)->GetPackageData(wsPackage);
 }
 FX_BOOL CXFA_FFDocHandler::SavePackage(IXFA_Doc* hDoc,
                                        const CFX_WideStringC& wsPackage,
                                        IFX_FileWrite* pFile,
                                        IXFA_ChecksumContext* pCSContext) {
   return static_cast<CXFA_FFDoc*>(hDoc)
       ->SavePackage(wsPackage, pFile, pCSContext);
@@ skipping 47 matching lines @@
   }
   IXFA_ScriptContext* pScriptContext = pXFADoc->GetScriptContext();
   if (!pScriptContext) {
     return FALSE;
   }
   return pScriptContext->RunScript(
       (XFA_SCRIPTLANGTYPE)eScriptType, wsScript, hRetValue,
       hThisObject ? (CXFA_Object*)FXJSE_Value_ToObject(hThisObject, NULL)
                   : NULL);
 }