Remove IWFL_WidgetMgr in favor of CFWL_WidgetMgr

xfa/fwl/core/fwl_formimp.cpp

Index: xfa/fwl/core/fwl_formimp.cpp
diff --git a/xfa/fwl/core/fwl_formimp.cpp b/xfa/fwl/core/fwl_formimp.cpp
index bcaba2c1536f38dcccf3f0a9282c239423b57e5f..e5536a4551c145fddae526c84cb05aa90ad3874f 100644
--- a/xfa/fwl/core/fwl_formimp.cpp
+++ b/xfa/fwl/core/fwl_formimp.cpp
@@ -616,7 +616,8 @@ void CFWL_FormImp::GetEdgeRect(CFX_RectF& rtEdge) {
 }
 void CFWL_FormImp::SetWorkAreaRect() {
   m_rtRestore = m_pProperties->m_rtWidget;
-  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  CFWL_WidgetMgr* pWidgetMgr =
+      static_cast<CFWL_WidgetMgr*>(IFWL_WidgetMgr::GetInstance());
   if (!pWidgetMgr)
     return;
   m_bSetMaximize = TRUE;
@@ -765,7 +766,8 @@ FX_BOOL CFWL_FormImp::HasIcon() {
   return !!pData->GetIcon(m_pInterface, FALSE);
 }
 void CFWL_FormImp::UpdateIcon() {
-  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  CFWL_WidgetMgr* pWidgetMgr =
+      static_cast<CFWL_WidgetMgr*>(IFWL_WidgetMgr::GetInstance());
   if (!pWidgetMgr)
     return;
   IFWL_FormDP* pData =
@@ -778,7 +780,8 @@ void CFWL_FormImp::UpdateIcon() {
     m_pSmallIcon = pSmallIcon;
 }
 void CFWL_FormImp::UpdateCaption() {
-  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  CFWL_WidgetMgr* pWidgetMgr =
+      static_cast<CFWL_WidgetMgr*>(IFWL_WidgetMgr::GetInstance());
   if (!pWidgetMgr)
     return;
   IFWL_FormDP* pData =
@@ -936,7 +939,7 @@ void CFWL_FormImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
     }
     case CFWL_MessageType::Size: {
       CFWL_WidgetMgr* pWidgetMgr =
-          static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+          static_cast<CFWL_WidgetMgr*>(IFWL_WidgetMgr::GetInstance());
       if (!pWidgetMgr)
         return;