Remove unused code in CPDFXFA_Document

xfa/fxfa/app/xfa_ffsignature.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_ffsignature.h"
 
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/include/xfa_ffdoc.h"
@@ skipping 16 matching lines @@
   CFX_Matrix mtRotate;
   GetRotateMatrix(mtRotate);
   if (pMatrix) {
     mtRotate.Concat(*pMatrix);
   }
   CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
   CXFA_Border borderUI = m_pDataAcc->GetUIBorder();
   DrawBorder(pGS, borderUI, m_rtUI, &mtRotate);
   RenderCaption(pGS, &mtRotate);
   DrawHighlight(pGS, &mtRotate, dwStatus, FALSE);
-  CFX_RectF rtWidget = m_rtUI;
-  IXFA_DocProvider* pDocProvider = m_pDataAcc->GetDoc()->GetDocProvider();
-  ASSERT(pDocProvider);
-  pDocProvider->RenderCustomWidget(this, pGS, &mtRotate, rtWidget);
 }
+
 FX_BOOL CXFA_FFSignature::OnMouseEnter() {
   return FALSE;
 }
 FX_BOOL CXFA_FFSignature::OnMouseExit() {
   return FALSE;
 }
 FX_BOOL CXFA_FFSignature::OnLButtonDown(uint32_t dwFlags,
                                         FX_FLOAT fx,
                                         FX_FLOAT fy) {
   return FALSE;
@@ skipping 54 matching lines @@
   GetRectWithoutRotate(rtBox);
   if (!rtBox.Contains(fx, fy))
     return FWL_WidgetHit::Unknown;
   if (m_rtCaption.Contains(fx, fy))
     return FWL_WidgetHit::Titlebar;
   return FWL_WidgetHit::Client;
 }
 FX_BOOL CXFA_FFSignature::OnSetCursor(FX_FLOAT fx, FX_FLOAT fy) {
   return FALSE;
 }