Remove IWFL_WidgetMgr in favor of CFWL_WidgetMgr

xfa/fwl/core/fwl_widgetimp.cpp

Index: xfa/fwl/core/fwl_widgetimp.cpp
diff --git a/xfa/fwl/core/fwl_widgetimp.cpp b/xfa/fwl/core/fwl_widgetimp.cpp
index e72a7f385a0b7fe4ef6223dbe8490e223574b507..697f0b4e7e79da256da32b5c686d61f9b899558c 100644
--- a/xfa/fwl/core/fwl_widgetimp.cpp
+++ b/xfa/fwl/core/fwl_widgetimp.cpp
@@ -308,7 +308,7 @@ void CFWL_WidgetImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
 
   CFWL_NoteDriver* noteDriver =
       static_cast<CFWL_NoteDriver*>(GetOwnerApp()->GetNoteDriver());
-  IFWL_WidgetMgr* widgetMgr = FWL_GetWidgetMgr();
+  IFWL_WidgetMgr* widgetMgr = IFWL_WidgetMgr::GetInstance();
   noteDriver->NotifyTargetHide(m_pInterface);
   IFWL_Widget* child =
       widgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_FirstChild);
@@ -517,7 +517,7 @@ CFWL_WidgetImp::CFWL_WidgetImp(const CFWL_WidgetImpProperties& properties,
       m_pInterface(NULL),
       m_iLock(0) {
   *m_pProperties = properties;
-  m_pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  m_pWidgetMgr = static_cast<CFWL_WidgetMgr*>(IFWL_WidgetMgr::GetInstance());
   ASSERT(m_pWidgetMgr != NULL);
 }
 CFWL_WidgetImp::~CFWL_WidgetImp() {
@@ -929,7 +929,7 @@ CFX_SizeF CFWL_WidgetImp::GetOffsetFromParent(IFWL_Widget* pParent) {
   if (pParent == GetInterface())
     return CFX_SizeF();
 
-  IFWL_WidgetMgr* pWidgetMgr = FWL_GetWidgetMgr();
+  IFWL_WidgetMgr* pWidgetMgr = IFWL_WidgetMgr::GetInstance();
   if (!pWidgetMgr)
     return CFX_SizeF();