Keep the declaration of FPDF_HasXFAField consistent with other XFA APIs

fpdfsdk/src/fpdfxfa/fpdfxfa_util.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 "../../include/fsdk_define.h"
 #include "../../include/fsdk_mgr.h"
 #include "../../include/fpdfxfa/fpdfxfa_util.h"
 
-FX_BOOL FPDF_HasXFAField(CPDF_Document* pPDFDoc, int& docType)
-{
-        if (!pPDFDoc)
-                return FALSE;
-
-        CPDF_Dictionary* pRoot = pPDFDoc->GetRoot();
-        if (!pRoot)
-                return FALSE;
-
-        CPDF_Dictionary* pAcroForm = pRoot->GetDict("AcroForm");
-        if (!pAcroForm) 
-                return FALSE;
-
-        CPDF_Object* pXFA = pAcroForm->GetElement("XFA");
-        if (!pXFA) 
-                return FALSE;
-
-        FX_BOOL bDymasticXFA = FALSE;
-        bDymasticXFA = pRoot->GetBoolean("NeedsRendering", FALSE);
-
-        if(bDymasticXFA)
-                docType = DOCTYPE_DYNIMIC_XFA;
-        else
-                docType = DOCTYPE_STATIC_XFA;
-
-        return TRUE;
-}
-
 CFX_PtrArray CXFA_FWLAdapterTimerMgr::ms_timerArray;
 
 FWL_ERR CXFA_FWLAdapterTimerMgr::Start(IFWL_Timer *pTimer, FX_DWORD dwElapse, FWL_HTIMER &hTimer, FX_BOOL bImmediately /* = TRUE */)
 {
         if (m_pEnv)
         {
                 FX_UINT32 uIDEvent = m_pEnv->FFI_SetTimer(dwElapse, TimerProc);
                 CFWL_TimerInfo *pInfo = FX_NEW CFWL_TimerInfo;
                 pInfo->uIDEvent = uIDEvent;
                 pInfo->pTimer = pTimer;
@@ skipping 38 matching lines @@
                 if (pTemp->uIDEvent == idEvent)
                 {
                         pInfo = pTemp; break;
                 }
         }
         if (pInfo)
         {
                 pInfo->pTimer->Run((FWL_HTIMER)pInfo);
         }
 }