Remove the CFWL_EventType::DrawItem

xfa/fwl/core/ifwl_listbox.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/fwl/core/ifwl_listbox.h"
 
 #include "third_party/base/ptr_util.h"
 #include "xfa/fde/tto/fde_textout.h"
@@ skipping 492 matching lines @@
     CFX_RectF rtItem;
     pData->GetItemRect(this, pItem, rtItem);
     rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY);
     if (rtItem.bottom() < m_rtConent.top)
       continue;
     if (rtItem.top >= m_rtConent.bottom())
       break;
     if (bMultiCol && rtItem.left > m_rtConent.right())
       break;
 
-    if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) {
-      CFWL_EvtLtbDrawItem ev;
-      ev.m_pSrcTarget = this;
-      ev.m_pGraphics = pGraphics;
-      ev.m_matrix = *pMatrix;
-      ev.m_index = i;
-      ev.m_rect = rtItem;
-      DispatchEvent(&ev);
-    } else {
+    if (!(GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw))
       DrawItem(pGraphics, pTheme, pItem, i, rtItem, pMatrix);
-    }
   }
 }
 
 void IFWL_ListBox::DrawItem(CFX_Graphics* pGraphics,
                             IFWL_ThemeProvider* pTheme,
                             CFWL_ListItem* pItem,
                             int32_t Index,
                             const CFX_RectF& rtItem,
                             const CFX_Matrix* pMatrix) {
   IFWL_ListBoxDP* pData =
@@ skipping 571 matching lines @@
     Repaint(&m_rtClient);
   }
   return true;
 }
 
 void IFWL_ListBox::DispatchSelChangedEv() {
   CFWL_EvtLtbSelChanged ev;
   ev.m_pSrcTarget = this;
   DispatchEvent(&ev);
 }