Convert FWL_ERR into an enum class.

xfa/fwl/lightwidget/cfwl_tooltip.cpp

Index: xfa/fwl/lightwidget/cfwl_tooltip.cpp
diff --git a/xfa/fwl/lightwidget/cfwl_tooltip.cpp b/xfa/fwl/lightwidget/cfwl_tooltip.cpp
index efb61ce018e0a7c50c350a2e046b23631bc7edea..7a9a26cf9ed098b3baae92508a052ad2f129e884 100644
--- a/xfa/fwl/lightwidget/cfwl_tooltip.cpp
+++ b/xfa/fwl/lightwidget/cfwl_tooltip.cpp
@@ -16,79 +16,73 @@ CFWL_ToolTip* CFWL_ToolTip::Create() {
   return new CFWL_ToolTip;
 }
 
-FWL_ERR CFWL_ToolTip::Initialize(const CFWL_WidgetProperties* pProperties) {
+FWL_Error CFWL_ToolTip::Initialize(const CFWL_WidgetProperties* pProperties) {
   if (m_pIface)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   if (pProperties) {
     *m_pProperties = *pProperties;
   }
   std::unique_ptr<IFWL_ToolTip> pToolTip(IFWL_ToolTip::Create(
       m_pProperties->MakeWidgetImpProperties(&m_tooltipData), nullptr));
-  FWL_ERR ret = pToolTip->Initialize();
-  if (ret != FWL_ERR_Succeeded) {
+  FWL_Error ret = pToolTip->Initialize();
+  if (ret != FWL_Error::Succeeded) {
     return ret;
   }
   m_pIface = pToolTip.release();
   CFWL_Widget::Initialize();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_ToolTip::GetCaption(CFX_WideString& wsCaption) {
+void CFWL_ToolTip::GetCaption(CFX_WideString& wsCaption) {
   wsCaption = m_tooltipData.m_wsCaption;
-  return FWL_ERR_Succeeded;
 }
 
-FWL_ERR CFWL_ToolTip::SetCaption(const CFX_WideStringC& wsCaption) {
+void CFWL_ToolTip::SetCaption(const CFX_WideStringC& wsCaption) {
   m_tooltipData.m_wsCaption = wsCaption;
-  return FWL_ERR_Succeeded;
 }
 
 int32_t CFWL_ToolTip::GetInitialDelay() {
   return m_tooltipData.m_nInitDelayTime;
 }
 
-int32_t CFWL_ToolTip::SetInitialDelay(int32_t nDelayTime) {
+void CFWL_ToolTip::SetInitialDelay(int32_t nDelayTime) {
   m_tooltipData.m_nInitDelayTime = nDelayTime;
-  return FWL_ERR_Succeeded;
 }
 
 int32_t CFWL_ToolTip::GetAutoPopDelay() {
   return m_tooltipData.m_nAutoPopDelayTime;
 }
 
-int32_t CFWL_ToolTip::SetAutoPopDelay(int32_t nDelayTime) {
+void CFWL_ToolTip::SetAutoPopDelay(int32_t nDelayTime) {
   m_tooltipData.m_nAutoPopDelayTime = nDelayTime;
-  return FWL_ERR_Succeeded;
 }
 
 CFX_DIBitmap* CFWL_ToolTip::GetToolTipIcon() {
   return m_tooltipData.m_pBitmap;
 }
 
-FWL_ERR CFWL_ToolTip::SetToolTipIcon(CFX_DIBitmap* pBitmap) {
+void CFWL_ToolTip::SetToolTipIcon(CFX_DIBitmap* pBitmap) {
   m_tooltipData.m_pBitmap = pBitmap;
-  return FWL_ERR_Succeeded;
 }
 
 CFX_SizeF CFWL_ToolTip::GetToolTipIconSize() {
   return m_tooltipData.m_fIconSize;
 }
 
-FWL_ERR CFWL_ToolTip::SetToolTipIconSize(CFX_SizeF fSize) {
+void CFWL_ToolTip::SetToolTipIconSize(CFX_SizeF fSize) {
   m_tooltipData.m_fIconSize = fSize;
-  return FWL_ERR_Succeeded;
 }
 
-FWL_ERR CFWL_ToolTip::SetAnchor(const CFX_RectF& rtAnchor) {
-  return static_cast<IFWL_ToolTip*>(m_pIface)->SetAnchor(rtAnchor);
+void CFWL_ToolTip::SetAnchor(const CFX_RectF& rtAnchor) {
+  static_cast<IFWL_ToolTip*>(m_pIface)->SetAnchor(rtAnchor);
 }
 
-FWL_ERR CFWL_ToolTip::Show() {
-  return static_cast<IFWL_ToolTip*>(m_pIface)->Show();
+void CFWL_ToolTip::Show() {
+  static_cast<IFWL_ToolTip*>(m_pIface)->Show();
 }
 
-FWL_ERR CFWL_ToolTip::Hide() {
-  return static_cast<IFWL_ToolTip*>(m_pIface)->Hide();
+void CFWL_ToolTip::Hide() {
+  static_cast<IFWL_ToolTip*>(m_pIface)->Hide();
 }
 
 CFWL_ToolTip::CFWL_ToolTip() {}
@@ -102,10 +96,10 @@ CFWL_ToolTip::CFWL_ToolTipDP::CFWL_ToolTipDP() : m_pBitmap(NULL) {
   m_fAnchor.Set(0.0, 0.0, 0.0, 0.0);
 }
 
-FWL_ERR CFWL_ToolTip::CFWL_ToolTipDP::GetCaption(IFWL_Widget* pWidget,
-                                                 CFX_WideString& wsCaption) {
+FWL_Error CFWL_ToolTip::CFWL_ToolTipDP::GetCaption(IFWL_Widget* pWidget,
+                                                   CFX_WideString& wsCaption) {
   wsCaption = m_wsCaption;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 int32_t CFWL_ToolTip::CFWL_ToolTipDP::GetInitialDelay(IFWL_Widget* pWidget) {