Cleanup CFX_SystemHandler.

fpdfsdk/formfiller/cffl_formfiller.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 "fpdfsdk/formfiller/cffl_formfiller.h"
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fxge/include/cfx_renderdevice.h"
@@ skipping 349 matching lines @@
     return pWnd;
 
   if (found) {
     CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pWnd->GetAttachedData();
     if (pPrivateData->nWidgetAge != m_pWidget->GetAppearanceAge()) {
       return ResetPDFWindow(
           pPageView, m_pWidget->GetValueAge() == pPrivateData->nValueAge);
     }
   } else {
     PWL_CREATEPARAM cp = GetCreateParam();
-    cp.hAttachedWnd = (FX_HWND)m_pWidget;
+    cp.pAttachedWidget = m_pWidget;
 
     CFFL_PrivateData* pPrivateData = new CFFL_PrivateData;
     pPrivateData->pWidget = m_pWidget;
     pPrivateData->pPageView = pPageView;
     pPrivateData->nWidgetAge = m_pWidget->GetAppearanceAge();
     pPrivateData->nValueAge = 0;
 
     cp.pAttachedData = pPrivateData;
 
     pWnd = NewPDFWindow(cp, pPageView);
@@ skipping 330 matching lines @@
     pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr);
   }
 }
 
 void CFFL_Button::OnDrawDeactive(CPDFSDK_PageView* pPageView,
                                  CPDFSDK_Annot* pAnnot,
                                  CFX_RenderDevice* pDevice,
                                  CFX_Matrix* pUser2Device) {
   OnDraw(pPageView, pAnnot, pDevice, pUser2Device);
 }