Remove IFX_SystemHandler.

xfa/fwl/core/fwl_sdadapterimp.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/fwl_sdadapterimp.h"
 
 #include "core/fxcrt/include/fx_system.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
@@ skipping 109 matching lines @@
 }
 FWL_ERR CFWL_SDAdapterWidgetMgr::InitMenu(IFWL_Menu* pMenu,
                                           IFWL_MenuDP* pMenuData) {
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_SDAdapterWidgetMgr::UpdateMenu(IFWL_Menu* pMenu,
                                             const void* hItem,
                                             int32_t iType) {
   return FWL_ERR_Succeeded;
 }
-int32_t CFWL_SDAdapterWidgetMgr::TrackPopupMenu(IFWL_Menu* pMenu,
-                                                IFWL_MenuDP* pMenuData) {
-  return 0;
-}
 FWL_ERR CFWL_SDAdapterWidgetMgr::SetMessageHook(IFWL_AdapterMessageHook* hook) {
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_SDAdapterWidgetMgr::GetSystemBorder(FX_FLOAT& l,
                                                  FX_FLOAT& t,
                                                  FX_FLOAT& r,
                                                  FX_FLOAT& b) {
   return FWL_ERR_Succeeded;
 }
 FX_BOOL CFWL_SDAdapterWidgetMgr::GetPopupPos(IFWL_Widget* pWidget,
                                              FX_FLOAT fMinHeight,
                                              FX_FLOAT fMaxHeight,
                                              const CFX_RectF& rtAnchor,
                                              CFX_RectF& rtPopup) {
   return FWL_ERR_Succeeded;
 }
 
 CFWL_SDAdapterThreadMgr::CFWL_SDAdapterThreadMgr() {}
 
 CFWL_SDAdapterThreadMgr::~CFWL_SDAdapterThreadMgr() {}
 
 IFWL_Thread* CFWL_SDAdapterThreadMgr::GetCurrentThread() {
   return FWL_GetApp();
 }