Cleaning methods and visibility in cfwl_* files.

xfa/fxfa/app/xfa_fwladapter.cpp

Index: xfa/fxfa/app/xfa_fwladapter.cpp
diff --git a/xfa/fxfa/app/xfa_fwladapter.cpp b/xfa/fxfa/app/xfa_fwladapter.cpp
index d827ad101f2a1e16bec74818481360a62e2650ed..ba38f853a6ef5115b525f79ccc337677aa515932 100644
--- a/xfa/fxfa/app/xfa_fwladapter.cpp
+++ b/xfa/fxfa/app/xfa_fwladapter.cpp
@@ -13,18 +13,17 @@ CXFA_FWLAdapterWidgetMgr::CXFA_FWLAdapterWidgetMgr() {}
 
 CXFA_FWLAdapterWidgetMgr::~CXFA_FWLAdapterWidgetMgr() {}
 
-FWL_Error CXFA_FWLAdapterWidgetMgr::RepaintWidget(IFWL_Widget* pWidget,
-                                                  const CFX_RectF* pRect) {
+void CXFA_FWLAdapterWidgetMgr::RepaintWidget(IFWL_Widget* pWidget,
+                                             const CFX_RectF* pRect) {
   if (!pWidget)
-    return FWL_Error::Indefinite;
+    return;
 
   CXFA_FFWidget* pFFWidget =
       static_cast<CXFA_FFWidget*>(pWidget->GetLayoutItem());
   if (!pFFWidget)
-    return FWL_Error::Indefinite;
+    return;
 
   pFFWidget->AddInvalidateRect(nullptr);
-  return FWL_Error::Succeeded;
 }
 
 bool CXFA_FWLAdapterWidgetMgr::GetPopupPos(IFWL_Widget* pWidget,